CN109740520B - Fingerprint identification method and related equipment - Google Patents
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Abstract
Translated fromChinese
Description
Translated fromChinese技术领域technical field
本申请涉及电子技术领域，尤其涉及一种指纹识别方法及相关设备。The present application relates to the field of electronic technology, and in particular, to a fingerprint identification method and related equipment.
背景技术Background technique
屏下指纹采集原理是利用触控屏发出的光来照射放在触控屏上的手指，触控屏发出的光达到手指时发生反射，设置在触控屏下方的指纹传感器接收到反射的光信号，由于指纹凹凸不平的纹路，光线吸收幅度不同，从而得到明暗不同的指纹图像。指纹识别通常应用于指纹解锁、指纹支付、指纹解密等，指纹识别速度直接影响其应用，因此提升指纹识别速度是很有必要的。The principle of fingerprint collection under the screen is to use the light emitted by the touch screen to illuminate the finger placed on the touch screen. When the light emitted by the touch screen reaches the finger, it will be reflected, and the fingerprint sensor placed under the touch screen will receive the reflected light. Due to the uneven texture of the fingerprint, the light absorption amplitude is different, so that the fingerprint image with different brightness and darkness can be obtained. Fingerprint recognition is usually used in fingerprint unlocking, fingerprint payment, fingerprint decryption, etc. The speed of fingerprint recognition directly affects its application, so it is necessary to improve the speed of fingerprint recognition.
发明内容SUMMARY OF THE INVENTION
本申请实施例提供一种指纹识别方法及相关设备，用于提升指纹识别速度。Embodiments of the present application provide a fingerprint identification method and related equipment, which are used to improve the fingerprint identification speed.
第一方面，本申请实施例提供一种指纹识别方法，应用于包括触控屏和屏下指纹传感器的移动终端，所述触控屏包括第一区域，所述第一区域为指纹采集区域，所述屏下指纹传感器能够采集所述第一区域内的信号，所述移动终端中存储有至少两个指纹模板集合，方法包括：In a first aspect, an embodiment of the present application provides a fingerprint identification method, which is applied to a mobile terminal including a touch screen and an under-screen fingerprint sensor, wherein the touch screen includes a first area, and the first area is a fingerprint collection area, The under-screen fingerprint sensor can collect signals in the first area, and at least two fingerprint template sets are stored in the mobile terminal, and the method includes:
在检测到第一手指针对所述第一区域的触控操作时，通过所述屏下指纹传感器采集信号，处理得到第一指纹图像；When a touch operation of the first finger on the first area is detected, a signal is collected by the under-screen fingerprint sensor, and a first fingerprint image is obtained by processing;
在采集指纹过程中或在采集指纹过程后，确定所述第一手指的来源，以及基于所述第一手指的来源确定用于指纹识别的第一指纹模板集合；during or after the fingerprint collection process, determining the source of the first finger, and determining the first fingerprint template set for fingerprint identification based on the source of the first finger;
基于所述第一指纹图像和所述第一指纹模板集合进行指纹识别操作。A fingerprint recognition operation is performed based on the first fingerprint image and the first set of fingerprint templates.
第二方面，本申请实施例提供一种指纹识别装置，应用于包括触控屏和屏下指纹传感器的移动终端，所述触控屏包括第一区域，所述第一区域为指纹采集区域，所述屏下指纹传感器能够采集所述第一区域内的信号，所述移动终端中存储有至少两个指纹模板集合，所述装置包括：In a second aspect, an embodiment of the present application provides a fingerprint identification device, which is applied to a mobile terminal including a touch screen and an under-screen fingerprint sensor, wherein the touch screen includes a first area, and the first area is a fingerprint collection area, The under-screen fingerprint sensor can collect signals in the first area, and at least two fingerprint template sets are stored in the mobile terminal, and the device includes:
指纹采集单元，用于在检测到第一手指针对所述第一区域的触控操作时，通过所述屏下指纹传感器采集信号，处理得到第一指纹图像；a fingerprint collection unit, configured to collect a signal through the under-screen fingerprint sensor when detecting a touch operation of the first finger on the first area, and process to obtain a first fingerprint image;
模板确定单元，用于在采集指纹过程中或在采集指纹过程后，确定所述第一手指的来源，以及基于所述第一手指的来源确定用于指纹识别的第一指纹模板集合；a template determination unit, configured to determine the source of the first finger during or after the fingerprint collection process, and determine a first fingerprint template set for fingerprint identification based on the source of the first finger;
指纹识别单元，用于基于所述第一指纹图像和所述第一指纹模板集合进行指纹识别操作。A fingerprint identification unit, configured to perform a fingerprint identification operation based on the first fingerprint image and the first fingerprint template set.
第三方面，本申请实施例提供一种移动终端，包括处理器、存储器、通信接口以及一个或多个程序，其中，上述一个或多个程序被存储在上述存储器中，并且被配置由上述处理器执行，上述程序包括用于执行本申请实施例第一方面所述的方法中的步骤的指令。In a third aspect, embodiments of the present application provide a mobile terminal, including a processor, a memory, a communication interface, and one or more programs, wherein the one or more programs are stored in the memory, and are configured to be processed by the above The above program includes instructions for executing the steps in the method described in the first aspect of the embodiments of the present application.
第四方面，本申请实施例提供了一种计算机可读存储介质，其中，上述计算机可读存储介质存储用于电子数据交换的计算机程序，其中，上述计算机程序使得计算机执行如本申请实施例第一方面所述的方法中所描述的部分或全部步骤。In a fourth aspect, an embodiment of the present application provides a computer-readable storage medium, wherein the computer-readable storage medium stores a computer program for electronic data exchange, wherein the computer program causes a computer to execute the computer program as described in the first embodiment of the present application. Some or all of the steps described in the method of an aspect.
第五方面，本申请实施例提供了一种计算机程序产品，其中，上述计算机程序产品包括存储了计算机程序的非瞬时性计算机可读存储介质，上述计算机程序可操作来使计算机执行如本申请实施例第一方面所述的方法中所描述的部分或全部步骤。该计算机程序产品可以为一个软件安装包。In a fifth aspect, an embodiment of the present application provides a computer program product, wherein the computer program product includes a non-transitory computer-readable storage medium storing a computer program, and the computer program is operable to cause a computer to execute as implemented in the present application. For example, some or all of the steps described in the method described in the first aspect. The computer program product may be a software installation package.
可以看出，在本申请实施例中，移动终端中存储有至少两个指纹模板集合，在指纹识别过程中，先确定手指的来源，然后基于手指的来源选择用于指纹识别的指纹模板集合，最后使用选择的指纹模板集合进行指纹识别，这样减少了用于指纹识别的指纹模板的数量，进而减少了指纹识别所需要的时间，进而提升了指纹识别速度。It can be seen that in the embodiment of the present application, at least two fingerprint template sets are stored in the mobile terminal. During the fingerprint identification process, the source of the finger is first determined, and then the fingerprint template set for fingerprint identification is selected based on the source of the finger, Finally, the selected fingerprint template set is used for fingerprint identification, which reduces the number of fingerprint templates used for fingerprint identification, thereby reduces the time required for fingerprint identification, and further improves the fingerprint identification speed.
附图说明Description of drawings
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the accompanying drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.
图1A是本申请实施例提供的一种移动终端的结构示意图；1A is a schematic structural diagram of a mobile terminal provided by an embodiment of the present application;
图1B是本申请实施例提供的一种第一区域与第二区域的位置关系的示意图；1B is a schematic diagram of a positional relationship between a first area and a second area provided by an embodiment of the present application;
图1C是本申请实施例提供的屏下指纹传感器和第一区域的位置关系的示意图；1C is a schematic diagram of a positional relationship between an under-screen fingerprint sensor and a first area provided by an embodiment of the present application;
图2A是本申请实施例提供的一种指纹识别方法的流程示意图；2A is a schematic flowchart of a fingerprint identification method provided by an embodiment of the present application;
图2B是本申请实施例提供的一种识别手指来源的示意图；2B is a schematic diagram of identifying the source of a finger provided by an embodiment of the present application;
图2C是本申请实施例提供的另一种识别手指来源的示意图；2C is another schematic diagram of identifying the source of a finger provided by an embodiment of the present application;
图2D是本申请实施例提供的另一种识别手指来源的示意图；2D is another schematic diagram of identifying the source of a finger provided by an embodiment of the present application;
图2E是本申请实施例提供的另一种识别手指来源的示意图；2E is another schematic diagram of identifying the source of a finger provided by an embodiment of the present application;
图2F是本申请实施例提供的另一种识别手指来源的示意图；2F is another schematic diagram of identifying the source of a finger provided by an embodiment of the present application;
图3是本申请实施例提供的另一种指纹识别方法的流程示意图；3 is a schematic flowchart of another fingerprint identification method provided by an embodiment of the present application;
图4是本申请实施例提供的一种移动终端的结构示意图；4 is a schematic structural diagram of a mobile terminal provided by an embodiment of the present application;
图5是本申请实施例提供的一种指纹识别装置的结构示意图。FIG. 5 is a schematic structural diagram of a fingerprint identification device provided by an embodiment of the present application.
具体实施方式Detailed ways
为了使本技术领域的人员更好地理解本申请方案，下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分的实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都应当属于本申请保护的范围。In order to make those skilled in the art better understand the solutions of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only The embodiments are part of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the scope of protection of the present application.
以下分别进行详细说明。Each of them will be described in detail below.
本申请的说明书和权利要求书及所述附图中的术语“第一”、“第二”、“第三”和“第四”等是用于区别不同对象，而不是用于描述特定顺序。此外，术语“包括”和“具有”以及它们任何变形，意图在于覆盖不排他的包含。例如包含了一系列步骤或单元的过程、方法、系统、产品或设备没有限定于已列出的步骤或单元，而是可选地还包括没有列出的步骤或单元，或可选地还包括对于这些过程、方法、产品或设备固有的其它步骤或单元。The terms "first", "second", "third" and "fourth" in the description and claims of the present application and the drawings are used to distinguish different objects, rather than to describe a specific order . Furthermore, the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also includes unlisted steps or units, or optionally also includes For other steps or units inherent to these processes, methods, products or devices.
在本文中提及“实施例”意味着，结合实施例描述的特定特征、结构或特性可以包含在本申请的至少一个实施例中。在说明书中的各个位置出现该短语并不一定均是指相同的实施例，也不是与其它实施例互斥的独立的或备选的实施例。本领域技术人员显式地和隐式地理解的是，本文所描述的实施例可以与其它实施例相结合。Reference herein to an "embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor a separate or alternative embodiment that is mutually exclusive of other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.
请参见图1A，图1A是本申请实施例提供的一种移动终端的结构示意图，该移动终端包括处理器、存储器、信号处理器、通信接口、触控屏、扬声器、麦克风、随机存取存储器(Random Access Memory，RAM)、摄像头和传感器等等。Please refer to FIG. 1A. FIG. 1A is a schematic structural diagram of a mobile terminal provided by an embodiment of the present application. The mobile terminal includes a processor, a memory, a signal processor, a communication interface, a touch screen, a speaker, a microphone, and a random access memory. (Random Access Memory, RAM), cameras and sensors, etc.
其中，处理器是移动终端的控制中心，利用各种接口和线路连接整个移动终端的各个部分，通过运行或执行存储在存储器内的软体程序和/或模块，以及调用存储在存储器内的数据，执行移动终端的各种功能和处理数据，从而对移动终端进行整体监控。Among them, the processor is the control center of the mobile terminal, and uses various interfaces and lines to connect various parts of the entire mobile terminal, by running or executing the software programs and/or modules stored in the memory, and calling the data stored in the memory, Execute various functions of the mobile terminal and process data, so as to monitor the mobile terminal as a whole.
其中，处理器可集成应用处理器和调制解调处理器，其中，应用处理器主要处理操作系统、用户界面和应用程序等，调制解调处理器主要处理无线通信。可以理解的是，上述调制解调处理器也可以不集成到处理器中。The processor may integrate an application processor and a modulation and demodulation processor, wherein the application processor mainly handles an operating system, a user interface, and an application program, and the modulation and demodulation processor mainly handles wireless communication. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor.
其中，存储器用于存储软体程序和/或模块，处理器通过运行存储在存储器的软件程序和/或模块，从而执行移动终端的各种功能应用以及数据处理。存储器可主要包括存储程序区和存储数据区，其中，存储程序区可存储操作系统、至少一个功能所需的软体程序等；存储数据区可存储根据移动终端的使用所创建的数据等。此外，存储器可以包括高速随机存取存储器，还可以包括非易失性存储器，例如至少一个磁盘存储器件、闪存器件、或其他易失性固态存储器件。The memory is used to store software programs and/or modules, and the processor executes various functional applications and data processing of the mobile terminal by running the software programs and/or modules stored in the memory. The memory may mainly include a stored program area and a stored data area, wherein the stored program area may store an operating system, a software program required for at least one function, and the like; the stored data area may store data created according to the use of the mobile terminal, and the like. Additionally, the memory may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
其中，存储器、信号处理器、触控屏、扬声器、麦克风、RAM、摄像头和传感器与处理器连接，通信接口与信号处理器连接。The memory, signal processor, touch screen, speaker, microphone, RAM, camera, and sensor are connected to the processor, and the communication interface is connected to the signal processor.
其中，触控屏显示屏和触控面板(Touch Panel，TP)，触控屏包括第一区域，第一区域为指纹采集区域。该第一区域可以是触控屏中的一片区域，即大小能够供多个手指同时按压的大区域，也可以是仅能够供单个手指按压的小区域。该第一区域所在的位置可以是触控屏的中间区域、触控屏的上部分区域、触控屏的下部分区域等，在此不作限定。第一区域的形状可以是圆形、方形、椭圆形等，在此不作限定。触控屏还包括第二区域，第二区域环绕设于第一区域周围，第二区域的内侧边缘与第一区域的外侧边缘相接，具体如图1B所示。Wherein, a touch screen display screen and a touch panel (Touch Panel, TP), the touch screen includes a first area, and the first area is a fingerprint collection area. The first area may be an area in the touch screen, that is, a large area that can be pressed by multiple fingers at the same time, or a small area that can only be pressed by a single finger. The location where the first area is located may be a middle area of the touch screen, an upper part of the touch screen, a lower part of the touch screen, etc., which is not limited herein. The shape of the first region may be circular, square, oval, etc., which is not limited herein. The touch screen further includes a second area, the second area is arranged around the first area, and the inner edge of the second area is connected to the outer edge of the first area, as shown in FIG. 1B .
其中，传感器包括屏下指纹传感器、红外传感器、陀螺仪等。该屏下指纹传感器设于第一区域的下方(如图1C所示)，且该屏下指纹传感器能够采集第一区域内的信号，该屏下指纹传感器可以是屏下光学指纹传感器，也可以是屏下电容式指纹传感器，也可以是屏下超声波指纹传感器，在此不作限定。在屏下指纹传感器为屏下光学指纹传感器时，屏下指纹传感器采集到的信号为光信号。Among them, the sensors include under-screen fingerprint sensors, infrared sensors, gyroscopes, etc. The under-screen fingerprint sensor is arranged below the first area (as shown in FIG. 1C ), and the under-screen fingerprint sensor can collect signals in the first area. The under-screen fingerprint sensor may be an under-screen optical fingerprint sensor or an under-screen fingerprint sensor. It is an off-screen capacitive fingerprint sensor or an off-screen ultrasonic fingerprint sensor, which is not limited here. When the under-screen fingerprint sensor is an under-screen optical fingerprint sensor, the signal collected by the under-screen fingerprint sensor is an optical signal.
移动终端可以包括各种具有无线通信功能的手持设备、车载设备、可穿戴设备、计算设备或连接到无线调制解调器的其他处理设备，以及各种形式的用户设备(UserEquipment，UE)，移动台(Mobile Station，MS)，终端设备(terminal device)等等。Mobile terminals may include various handheld devices, vehicle-mounted devices, wearable devices, computing devices, or other processing devices connected to wireless modems with wireless communication functions, as well as various forms of user equipment (UserEquipment, UE), mobile stations (Mobile Station, MS), terminal device (terminal device) and so on.
下面对本申请实施例进行详细介绍。The embodiments of the present application will be described in detail below.
请参见图2A，图2A是本申请实施例提供的一种指纹识别方法的流程示意图，应用于上述移动终端，移动终端中存储有至少两个指纹模板集合，方法包括：Please refer to FIG. 2A. FIG. 2A is a schematic flowchart of a fingerprint identification method provided by an embodiment of the present application, which is applied to the above-mentioned mobile terminal. At least two fingerprint template sets are stored in the mobile terminal. The method includes:
步骤201：在检测到第一手指针对第一区域的触控操作时，移动终端通过屏下指纹传感器采集信号，处理得到第一指纹图像。Step 201 : when detecting the touch operation of the first finger on the first area, the mobile terminal collects signals through the fingerprint sensor under the screen, and processes to obtain a first fingerprint image.
其中，指纹模板集合例如有左手指纹模板集合、右手指纹模板集合、儿童指纹模板集合、成人指纹模板集合、儿童左手指纹模板集合、儿童右手指纹模板集合、成人左手指纹模板集合、成人右手指纹模板集合等。The fingerprint template set includes, for example, a left-hand fingerprint template set, a right-hand fingerprint template set, a child fingerprint template set, an adult fingerprint template set, a child left-hand fingerprint template set, a child's right-hand fingerprint template set, an adult left-hand fingerprint template set, and an adult right-hand fingerprint template set. Wait.
其中，触控操作例如是按压操作、点击操作、滑动操作等。The touch operation is, for example, a pressing operation, a clicking operation, a sliding operation, and the like.
其中，在屏下指纹传感器采集到的信号为光信号的情况下，移动终端通过屏下指纹传感器采集信号，处理得到第一指纹图像的具体实施方式有：移动终端通过屏下指纹传感器采集光信号，处理得到一张图像，然后对该图像进行图像处理，以得到该图像中第一指纹图像。Wherein, in the case where the signal collected by the under-screen fingerprint sensor is an optical signal, the mobile terminal collects the signal through the under-screen fingerprint sensor, and processes the first fingerprint image. , process to obtain an image, and then perform image processing on the image to obtain the first fingerprint image in the image.
步骤202：在采集指纹过程中或在采集指纹过程后，移动终端确定所述第一手指的来源，以及基于所述第一手指的来源确定用于指纹识别的第一指纹模板集合。Step 202: During or after the fingerprint collection process, the mobile terminal determines the source of the first finger, and determines a first fingerprint template set for fingerprint identification based on the source of the first finger.
其中，第一手指的来源例如有左手、右手、儿童、成人、儿童左手、儿童右手、成人左手、成人右手等。The source of the first finger includes, for example, the left hand, the right hand, the child, the adult, the left hand of the child, the right hand of the child, the left hand of the adult, the right hand of the adult, and the like.
其中，移动终端基于所述第一手指的来源确定用于指纹识别的第一指纹模板集合的具体实施方式有：移动终端基于手指来源与指纹模板集合的映射关系确定所述第一手指的来源对应的用于指纹识别的第一指纹模板集合，其中，手指来源与指纹模板集合的映射关系如表1所示。The specific implementation of the mobile terminal determining the first fingerprint template set for fingerprint identification based on the source of the first finger is as follows: the mobile terminal determines the source corresponding to the first finger based on the mapping relationship between the source of the finger and the set of fingerprint templates. The first fingerprint template set used for fingerprint identification, wherein the mapping relationship between the finger source and the fingerprint template set is shown in Table 1.
表1Table 1
步骤203：移动终端基于所述第一指纹图像和所述第一指纹模板集合进行指纹识别操作。Step 203: The mobile terminal performs a fingerprint identification operation based on the first fingerprint image and the first fingerprint template set.
其中，移动终端基于所述第一指纹图像和所述第一指纹模板集合进行指纹识别操作的具体实施方式有：移动终端将所述第一指纹模板集合中的所有指纹模板按照匹配成功次数的高低顺序进行排列；移动终端按照排列后的顺序将所述第一指纹图像与所述第一指纹模板集合中的指纹模板进行一一对比。可见，匹配次数高的指纹模板先对比，这样可进一步缩短指纹识别所需要的时间。The specific implementation of the mobile terminal performing the fingerprint recognition operation based on the first fingerprint image and the first fingerprint template set is as follows: the mobile terminal uses all fingerprint templates in the first fingerprint template set according to the number of successful matching times. Arrange in order; the mobile terminal compares the first fingerprint image one-to-one with the fingerprint templates in the first fingerprint template set according to the arranged order. It can be seen that the fingerprint templates with high matching times are compared first, which can further shorten the time required for fingerprint identification.
具体地，目前移动终端中通常仅存储有一个指纹模板库，在指纹识别过程中，是将指纹模板库中的指纹进行一一对比，该种方式导致指纹识别所需要的时间较长。Specifically, currently only one fingerprint template library is usually stored in the mobile terminal. During the fingerprint identification process, the fingerprints in the fingerprint template library are compared one by one, which leads to a long time required for fingerprint identification.
而在本申请实施例中，移动终端中存储有至少两个指纹模板集合，在指纹识别过程中，先确定手指的来源，然后基于手指的来源选择用于指纹识别的指纹模板集合，最后使用选择的指纹模板集合进行指纹识别，这样减少了用于指纹识别的指纹模板的数量，进而减少了指纹识别所需要的时间，进而提升了指纹识别速度。另外，确定手指的来源是在采集指纹过程中进行的，进一步地提升了指纹识别速度。In the embodiment of the present application, at least two fingerprint template sets are stored in the mobile terminal. During the fingerprint identification process, the source of the finger is first determined, then the fingerprint template set for fingerprint identification is selected based on the source of the finger, and finally the selection This reduces the number of fingerprint templates used for fingerprint identification, thereby reducing the time required for fingerprint identification, thereby improving the fingerprint identification speed. In addition, the source of the finger is determined during the fingerprint collection process, which further improves the fingerprint recognition speed.
在本申请的一实现方式中，移动终端确定所述第一手指的来源的具体实施方式有：移动终端确定所述第一手指触控所述第一区域时触控到所述第二区域的第一触控位置，以及基于所述第一触控位置确定所述第一手指的来源，所述第一手指的来源包括左手或右手。In an implementation manner of the present application, the specific implementation manner in which the mobile terminal determines the source of the first finger includes: the mobile terminal determines that the first finger touches the second area when the first finger touches the first area. a first touch position, and determining the source of the first finger based on the first touch position, where the source of the first finger includes a left hand or a right hand.
其中，移动终端确定所述第一手指触控所述第一区域时触控到所述第二区域的第一触控位置的具体实现方式有：移动终端获取第二区域的第一触控信号，以及根据所述第一触控信号确定所述第一手指触控所述第一区域时触控到的所述第二区域的第一触控位置。Wherein, a specific implementation manner of the mobile terminal determining the first touch position of the second area when the first finger touches the first area is as follows: the mobile terminal obtains the first touch signal of the second area , and the first touch position of the second area touched when the first finger touches the first area is determined according to the first touch signal.
其中，移动终端基于所述第一触控位置确定所述第一手指的来源的具体实现方式有：移动终端根据第二区域的位置与手指来源的映射关系确定所述第一触控位置对应的手指来源，以及将所述第一触控位置对应的手指来源作为所述第一手指的来源，其中，第二区域的触控位置与手指来源的映射关系如表2所示，在表2中，在第一区域和第二区域的中心点位于屏幕中线上时，区域A位于屏幕中线上的左侧，区域B位于屏幕中线的右侧，区域A与区域B的两侧端缘于屏幕中线抵接，屏幕中线可以是屏幕竖直中心，也可以是横直中心，具体如图2B所示。The specific implementation manner for the mobile terminal to determine the source of the first finger based on the first touch position is as follows: the mobile terminal determines the source corresponding to the first touch position according to the mapping relationship between the position of the second area and the source of the finger. The source of the finger, and the source of the finger corresponding to the first touch position as the source of the first finger, wherein the mapping relationship between the touch position in the second area and the source of the finger is shown in Table 2. In Table 2 , when the center points of the first area and the second area are located on the screen center line, area A is located on the left side of the screen center line, area B is located on the right side of the screen center line, and the two sides of area A and area B are on the screen center line. Abutting, the center line of the screen may be the vertical center of the screen, or may be the horizontal and vertical center, as shown in FIG. 2B .
表2Table 2
举例来说，如图2B所示，当手指按压第一区域进行屏下指纹的录入和识别动作时，如图2B所示，手指会覆盖到第一区域和部分第二区域，引起TP检测的信号变化，进而可知道手指覆盖到的第二区域的触控位置，最终知道该手指为左手的手指。For example, as shown in FIG. 2B, when the finger presses the first area to perform fingerprint entry and recognition under the screen, as shown in FIG. 2B, the finger will cover the first area and part of the second area, causing TP detection. The signal changes, and then the touch position of the second area covered by the finger can be known, and finally it is known that the finger is the finger of the left hand.
可以看出，在本申请实施例中，通过环绕设于第一区域周围的第二区域来确定触控第一区域的手指是左手手指还是右手手指，确定方式简单，提升了手指来源的确定速度，进一步提升指纹识别的速度。It can be seen that, in the embodiment of the present application, it is determined whether the finger touching the first area is a left-hand finger or a right-hand finger by encircling the second area provided around the first area, the determination method is simple, and the determination speed of the source of the finger is improved. , to further improve the speed of fingerprint recognition.
在本申请的一实现方式中，移动终端确定所述第一手指的来源的具体实施方式有：移动终端确定所述第一手指触控所述第一区域的触控指向，以及基于所述触控指向确定所述第一手指的来源，所述第一手指的来源包括左手或右手。In an implementation manner of the present application, the specific implementation manner in which the mobile terminal determines the source of the first finger includes: the mobile terminal determines the touch direction of the first finger touching the first area, and based on the touch point The control means to determine the source of the first finger, and the source of the first finger includes the left hand or the right hand.
其中，移动终端确定所述第一手指触控所述第一区域的触控指向的具体实现方式有：移动终端获取第一区域的第二触控信号，以及根据所述第二触控信号确定所述第一手指触控所述第一区域的第二触控位置；确定所述第二触控位置与水平方向的夹角，以及将确定的夹角作为所述第一手指触控所述第一区域的触控指向。Wherein, the specific implementation manner of the mobile terminal determining the touch pointing of the first finger touching the first area is as follows: the mobile terminal obtains the second touch signal of the first area, and determines according to the second touch signal The first finger touches the second touch position of the first area; determines the angle between the second touch position and the horizontal direction, and uses the determined angle as the first finger to touch the The touch point of the first area.
举例来说，如图2C所示，当手指按压第一区域进行屏下指纹的录入和识别动作时，如图2C所示，手指会覆盖到部分第一区域，引起TP检测的信号变化，进而可知道手指覆盖到的第一区域的触控位置，由于手指是直的，那么手指覆盖第一区域的触控位置是与水平方向是有一个夹角的，该夹角即为该手指的指向。For example, as shown in FIG. 2C, when the finger presses the first area to perform fingerprint entry and recognition under the screen, as shown in FIG. 2C, the finger will cover part of the first area, causing the signal detected by TP to change, and then You can know the touch position of the first area covered by the finger. Since the finger is straight, the touch position covered by the finger in the first area has an included angle with the horizontal direction, and the included angle is the pointing of the finger. .
其中，移动终端基于所述触控指向确定所述第一手指的来源的具体实施方式有：移动终端基于触控指向与手指来源的映射关系确定所述触控指向对应的手指来源，以及将所述触控指向对应的手指来源作为所述第一手指的来源。其中，触控指向与手指来源的映射关系如表3所示。The specific implementation of the mobile terminal determining the source of the first finger based on the touch pointing is as follows: the mobile terminal determines the source of the finger corresponding to the touch pointing based on the mapping relationship between the touch pointing and the finger source; The touch point corresponds to the source of the finger as the source of the first finger. The mapping relationship between the touch point and the finger source is shown in Table 3.
表3table 3
可以看出，在本申请实施例中，通过手指触控第一区域的触控指向确定该手指是左手手指还是右手手指，确定方式简单，提升了手指来源的确定速度，进一步提升指纹识别的速度。It can be seen that, in the embodiment of the present application, it is determined whether the finger is a left-hand finger or a right-hand finger by touching the touch pointing of the finger in the first area. .
在本申请的一实现方式中，所述检测到第一手指针对所述第一区域的触控操作之前，所述方法还包括：In an implementation manner of the present application, before the detecting a touch operation of the first finger on the first area, the method further includes:
移动终端在所述第一区域内显示至少两个录入框，所述录入框用于指示在其内录入指纹，每个录入框对应一个手指来源；The mobile terminal displays at least two input boxes in the first area, the input boxes are used to instruct the fingerprints to be entered therein, and each input box corresponds to a finger source;
所述移动终端确定所述第一手指的来源，包括：确定所述第一手指触控所述第一区域的第二触控位置；基于所述第二触控位置确定其对应的目标录入框；将所述目标录入框对应的手指来源作为所述第一手指的来源，所述第一手指的来源包括以下至少一个：儿童、成人、左手和右手。Determining, by the mobile terminal, the source of the first finger includes: determining a second touch position where the first finger touches the first area; and determining a corresponding target input box based on the second touch position ; Use the source of the finger corresponding to the target entry box as the source of the first finger, and the source of the first finger includes at least one of the following: children, adults, left hands and right hands.
举例来说，如图2D所示，先在第一区域内显示两个录入框，一个录入框对应左手，另一个录入框对应右手，当手指按压右手对应的录入框进行屏下指纹的录入和识别动作时，则确定该手指为右手手指。For example, as shown in Figure 2D, two input boxes are first displayed in the first area, one for the left hand and the other for the right hand. When the finger presses the input box corresponding to the right hand, the fingerprint on the screen is entered and recorded. When the action is recognized, it is determined that the finger is the right finger.
又举例来说，如图2E所示，先在第一区域内显示两个录入框，一个录入框对应儿童，另一个录入框对应成人，当手指按压成人对应的录入框进行屏下指纹的录入和识别动作时，则确定该手指为成人手指。For another example, as shown in FIG. 2E, two input boxes are first displayed in the first area, one input box corresponds to children, and the other input box corresponds to adults. When the finger presses the input box corresponding to adults, the fingerprints on the screen are entered. And when the action is recognized, it is determined that the finger is an adult finger.
又举例来说，如图2F所示，先在第一区域内显示四个录入框，一个录入框对应儿童左手，一个录入框对应儿童右手，一个录入框对应成人左手，一个录入框对应成人右手，当手指按压成人右手对应的录入框进行屏下指纹的录入和识别动作时，则确定该手指为成人右手手指。For another example, as shown in FIG. 2F , four input boxes are first displayed in the first area, one input box corresponds to the child's left hand, one input box corresponds to the child's right hand, one input box corresponds to the adult's left hand, and one input box corresponds to the adult's right hand. , when the finger presses the entry box corresponding to the adult's right hand to perform fingerprint entry and identification under the screen, the finger is determined to be the adult's right-hand finger.
可以看出，在本申请实施例中，先在第一区域显示录入框，然后通过手指触控的录入框来直接判断该手指的来源，提升了手指来源的确定速度，进一步提升指纹识别的速度。It can be seen that, in the embodiment of the present application, the input box is first displayed in the first area, and then the source of the finger is directly determined through the input box touched by the finger, which improves the speed of determining the source of the finger and further improves the speed of fingerprint recognition. .
在本申请的一实现方式中，移动终端确定所述第一手指的来源，包括：移动终端解析所述第一指纹图像，得到多个指纹特征，以及基于所述多个指纹特征确定所述第一手指的来源，所述第一手指的来源包括儿童或成人。In an implementation manner of the present application, determining the source of the first finger by the mobile terminal includes: the mobile terminal parses the first fingerprint image, obtains multiple fingerprint features, and determines the first fingerprint based on the multiple fingerprint features. The source of a finger, the source of the first finger includes a child or an adult.
其中，所述移动终端解析所述第一指纹图像，得到多个指纹特征，包括：移动终端对所述第一指纹图像进行第一预处理，得到目标指纹图像，所述第一预处理包括以下至少一种：抠图、调整感光度、去噪声；移动终端对所述目标指纹图像进行算法端预处理，得到多个指纹特征，所述算法端预处理包括以下至少一种：提取对比度、提取和处理特征点。Wherein, the mobile terminal analyzes the first fingerprint image to obtain a plurality of fingerprint features, including: the mobile terminal performs a first preprocessing on the first fingerprint image to obtain a target fingerprint image, and the first preprocessing includes the following: At least one of: matting, adjusting sensitivity, and denoising; the mobile terminal performs algorithm-side preprocessing on the target fingerprint image to obtain multiple fingerprint features, and the algorithm-side preprocessing includes at least one of the following: extracting contrast, extracting and processing feature points.
其中，所述多个指纹特征包括多个脊线、多个谷线以及每个脊线与其相邻的谷线之间的纹线距离，所述移动终端基于所述多个指纹特征确定所述第一手指的来源的具体实现方式为：所述移动终端确定平均纹线距离；在所述平均纹线距离小于预设纹线距离下，则所述移动终端确定所述第一手指的来源为儿童；在所述平均纹线距离大于或等于所述预设纹线距离下，则所述移动终端确定所述第一手指的来源为成人。Wherein, the plurality of fingerprint features include a plurality of ridge lines, a plurality of valley lines, and a ridge line distance between each ridge line and its adjacent valley lines, and the mobile terminal determines the The specific implementation manner of the source of the first finger is: the mobile terminal determines the average ridge distance; when the average ridge distance is less than the preset ridge distance, the mobile terminal determines the source of the first finger as Children; when the average ridge distance is greater than or equal to the preset ridge distance, the mobile terminal determines that the source of the first finger is an adult.
其中，纹线距离指的是脊线的中心到与脊线相邻的谷线的中心的距离。The ridge line distance refers to the distance from the center of the ridge line to the center of the valley line adjacent to the ridge line.
其中，所述移动终端确定平均纹线距离的具体实现方式为：移动终端获取每个脊线与其相邻的谷线之间的纹线距离，然后基于获取到的纹线距离确定平均纹线距离。举例来说，获取到的纹线距离有30个，那么平均纹线距离等于这30个纹线距离的和除以30。Wherein, the specific implementation manner of determining the average ridge distance by the mobile terminal is as follows: the mobile terminal obtains the ridge distance between each ridge line and its adjacent valley line, and then determines the average ridge distance based on the obtained ridge distance. . For example, if there are 30 ridge distances obtained, the average ridge distance is equal to the sum of the 30 ridge distances divided by 30.
其中，一个脊线与该一个脊线相邻的谷线之间的纹线距离确定方式为：移动终端确定该一个脊线的中心对应的第一像素点和与该一个脊线相邻的谷线的中心对应的第二像素点；将所述第一像素点与所述第二像素点之间的距离作为该一个脊线与该一个脊线相邻的谷线之间的纹线距离。The method of determining the ridge line distance between a ridge line and a valley line adjacent to the ridge line is as follows: the mobile terminal determines the first pixel point corresponding to the center of the ridge line and the valley line adjacent to the ridge line. The second pixel point corresponding to the center of the line; the distance between the first pixel point and the second pixel point is taken as the ridge line distance between the one ridge line and the adjacent valley line of the one ridge line.
需要说明的是，其他脊线与该其他脊线相邻的谷线之间的纹线距离的具体方式请参见上述描述，在此不再叙述。It should be noted that, for the specific manner of the ridge line distance between other ridge lines and valley lines adjacent to the other ridge lines, please refer to the above description, and will not be described herein again.
其中，所述预设纹线距离是移动终端基于经验参数设定的。Wherein, the preset ridge distance is set by the mobile terminal based on empirical parameters.
其中，所述多个指纹特征包括多个脊线、多个谷线以及每个脊线与其相邻的谷线之间的纹线深度，所述移动终端基于所述多个指纹特征确定所述第一手指的来源的具体实现方式为：所述移动终端确定平均纹线深度；在所述平均纹线深度小于预设纹线深度下，则所述移动终端确定所述第一手指的来源为儿童；在所述平均纹线深度大于或等于所述预设纹线深度下，则所述移动终端确定所述第一手指的来源为成人。Wherein, the plurality of fingerprint features include a plurality of ridge lines, a plurality of valley lines, and a ridge line depth between each ridge line and its adjacent valley lines, and the mobile terminal determines the ridge line based on the plurality of fingerprint features The specific implementation manner of the source of the first finger is: the mobile terminal determines the average ridge depth; when the average ridge depth is less than the preset ridge depth, the mobile terminal determines the source of the first finger as Children; when the average ridge depth is greater than or equal to the preset ridge depth, the mobile terminal determines that the source of the first finger is an adult.
其中，纹线深度指的是脊线的最高点到与脊线相邻的谷线的最低点的距离。The ridge depth refers to the distance from the highest point of the ridge line to the lowest point of the valley line adjacent to the ridge line.
其中，所述移动终端确定平均纹线深度的具体实现方式为：移动终端获取每个脊线与其相邻的谷线之间的纹线深度，然后基于获取到的纹线深度确定平均纹线距离。举例来说，获取到的纹线深度有30个，那么平均纹线深度等于这30个纹线深度的和除以30。Wherein, the specific implementation manner of determining the average ridge depth by the mobile terminal is as follows: the mobile terminal obtains the ridge depth between each ridge and its adjacent valley, and then determines the average ridge distance based on the obtained ridge depth. . For example, if there are 30 ridge depths obtained, then the average ridge depth is equal to the sum of the 30 ridge depths divided by 30.
其中，一个脊线与该一个脊线相邻的谷线之间的纹线深度确定方式为：移动终端确定该一个脊线的最高点对应的第三像素点和与该一个脊线相邻的谷线的最低点对应的第四像素点；确定所述第三像素点对应的第一电容值变化量和所述第三像素点对应的第二电容值变化量；确定所述第一电容值变化量与所述第二电容值变化量的差值；基于电容值变化量与纹线深度的映射关系确定所述差值对应的纹线深度。The ridge line depth between a ridge line and a valley line adjacent to the ridge line is determined by: the mobile terminal determines the third pixel point corresponding to the highest point of the ridge line and the pixel point adjacent to the ridge line. the fourth pixel point corresponding to the lowest point of the valley line; determine the first capacitance value change corresponding to the third pixel point and the second capacitance value change corresponding to the third pixel point; determine the first capacitance value The difference between the change amount and the second capacitance value change amount; the ridge line depth corresponding to the difference is determined based on the mapping relationship between the capacitance value change amount and the ridge line depth.
需要说明的是，其他脊线与该其他脊线相邻的谷线之间的纹线深度的具体方式请参见上述描述，在此不再叙述。It should be noted that, for the specific manner of the depth of the ridge between other ridge lines and the valley lines adjacent to the other ridge lines, please refer to the above description, and will not be described here.
其中，所述预设纹线深度是移动终端基于经验参数设定的。Wherein, the preset ridge depth is set by the mobile terminal based on empirical parameters.
可以看出，在本申请实施例中，通过采集到的指纹图像来确定指纹的来源，操作方便，提升移动终端的智能性。It can be seen that, in the embodiment of the present application, the source of the fingerprint is determined through the collected fingerprint image, which is convenient to operate and improves the intelligence of the mobile terminal.
在本申请的一实现方式中，所述检测到手指针对所述第一区域的触控操作之前，所述方法还包括：In an implementation manner of the present application, before the detecting a touch operation of the finger on the first area, the method further includes:
在检测到第二手指针对所述第一区域的触控操作时，移动终端通过所述屏下指纹传感器采集信号，处理得到第二指纹图像；在采集指纹过程中或在采集指纹过程后，移动终端确定所述第二手指的来源；移动终端将所述第二指纹图像加入所述第二手指的来源对应的第二指纹模板集合中。When detecting the touch operation of the second finger on the first area, the mobile terminal collects signals through the under-screen fingerprint sensor, and processes to obtain a second fingerprint image; during or after the fingerprint collection process, the mobile terminal moves The terminal determines the source of the second finger; the mobile terminal adds the second fingerprint image to the second fingerprint template set corresponding to the source of the second finger.
需要说明的是，确定第二手指的来源的方式与确定第一手指的来源的方式相同，在此不再叙述。It should be noted that, the method of determining the source of the second finger is the same as the method of determining the source of the first finger, which will not be described here.
在本申请的一实现方式中，所述基于所述第一指纹图像和所述第一指纹模板集合进行指纹识别操作之后，所述方法还包括：In an implementation manner of the present application, after performing the fingerprint identification operation based on the first fingerprint image and the first fingerprint template set, the method further includes:
在指纹识别成功后，移动终端进行指纹解锁操作，以及启用与所述第一手指的来源对应的使用模式。After the fingerprint identification is successful, the mobile terminal performs a fingerprint unlocking operation, and enables a usage mode corresponding to the source of the first finger.
具体地，启用与第一手指的来源对应的使用模式具体有：在第一手指的来源为儿童时，启用儿童使用模式；在第一手指的来源为成人时，启用成人使用模式；在第一手指的来源为左手时，启用左手使用模式；在第一手指的来源为右手时，启用右手使用模式；在第一手指的来源为儿童右手时，启用儿童右手使用模式；在第一手指的来源为儿童左手时，启用儿童左手使用模式；在第一手指的来源为成人右手时，启用成人右手使用模式；在第一手指的来源为成人左手时，启用成人左手使用模式。Specifically, enabling the use mode corresponding to the source of the first finger includes: when the source of the first finger is a child, enabling the child use mode; when the source of the first finger is an adult, enabling the adult use mode; When the source of the finger is the left hand, the left-hand use mode is enabled; when the source of the first finger is the right hand, the right-hand use mode is enabled; when the source of the first finger is the child's right hand, the child's right-hand use mode is enabled; when the source of the first finger is the child's right hand, the child's right-hand use mode is enabled; When it is a child's left hand, enable the child's left-hand use mode; when the source of the first finger is an adult's right hand, enable the adult's right-hand use mode; when the source of the first finger is an adult's left hand, enable the adult's left-hand use mode.
可以看出，在本申请实施例中，在指纹解锁完成后，基于手指的来源启用对应的使用模式，提升了移动终端的使用便捷性。It can be seen that, in the embodiment of the present application, after the fingerprint unlocking is completed, the corresponding usage mode is enabled based on the source of the finger, which improves the convenience of using the mobile terminal.
与所述图2A所示的实施例一致的，请参阅图3，图3是本申请实施例提供的另一种指纹识别方法的流程示意图，应用于上述移动终端，该移动终端中存储有至少两个指纹模板集合，本指纹识别方法包括：Consistent with the embodiment shown in FIG. 2A, please refer to FIG. 3. FIG. 3 is a schematic flowchart of another fingerprint identification method provided by an embodiment of the present application, which is applied to the above-mentioned mobile terminal. Two fingerprint template sets, the fingerprint identification method includes:
步骤301：在检测到第二手指针对第一区域的触控操作时，移动终端通过屏下指纹传感器采集信号，处理得到第二指纹图像。Step 301 : when detecting the touch operation of the second finger on the first area, the mobile terminal collects signals through the fingerprint sensor under the screen, and processes to obtain a second fingerprint image.
步骤302：在采集指纹过程中或在采集指纹过程后，移动终端确定所述第二手指的来源。Step 302: During or after the fingerprint collection process, the mobile terminal determines the source of the second finger.
步骤303：移动终端将所述第二指纹图像加入所述第二手指的来源对应的第二指纹模板集合中。Step 303: The mobile terminal adds the second fingerprint image to the second fingerprint template set corresponding to the source of the second finger.
步骤304：在检测到第一手指针对所述第一区域的触控操作时，移动终端通过所述屏下指纹传感器采集信号，处理得到第一指纹图像。Step 304: When detecting a touch operation of the first finger on the first area, the mobile terminal collects signals through the under-screen fingerprint sensor, and processes to obtain a first fingerprint image.
步骤305：在采集指纹过程中或在采集指纹过程后，移动终端确定所述第一手指的来源，以及基于所述第一手指的来源确定用于指纹识别的第一指纹模板集合。Step 305: During or after the fingerprint collection process, the mobile terminal determines the source of the first finger, and determines a first fingerprint template set for fingerprint identification based on the source of the first finger.
步骤306：移动终端基于所述第一指纹图像和所述第一指纹模板集合进行指纹识别操作。Step 306: The mobile terminal performs a fingerprint identification operation based on the first fingerprint image and the first fingerprint template set.
步骤307：在指纹识别成功后，移动终端进行指纹解锁操作，以及启用与所述第一手指的来源对应的使用模式。Step 307: After the fingerprint identification is successful, the mobile terminal performs a fingerprint unlocking operation, and enables a usage mode corresponding to the source of the first finger.
需要说明的是，本实施例的具体实现过程可参见上述方法实施例所述的具体实现过程，在此不再叙述。It should be noted that, for the specific implementation process of this embodiment, reference may be made to the specific implementation process described in the foregoing method embodiment, which is not described herein again.
与上述图2A和图3所示的实施例一致的，请参阅图4，图4是本申请实施例提供的另一种移动终端的结构示意图，如图所示，该移动终端包括触控屏屏下指纹传感器，所述触控屏包括第一区域，所述第一区域为指纹采集区域，所述屏下指纹传感器能够采集所述第一区域内的信号，所述移动终端中存储有至少两个指纹模板集合，移动终端还包括处理器、存储器、通信接口以及一个或多个程序，其中，上述一个或多个程序被存储在上述存储器中，并且被配置由上述处理器执行，上述程序包括用于执行以下步骤的指令：Consistent with the embodiments shown in FIG. 2A and FIG. 3 above, please refer to FIG. 4 . FIG. 4 is a schematic structural diagram of another mobile terminal provided by an embodiment of the present application. As shown in the figure, the mobile terminal includes a touch screen. An off-screen fingerprint sensor, the touch screen includes a first area, the first area is a fingerprint collection area, the off-screen fingerprint sensor can collect signals in the first area, and the mobile terminal stores at least Two fingerprint template sets, the mobile terminal also includes a processor, a memory, a communication interface and one or more programs, wherein the above-mentioned one or more programs are stored in the above-mentioned memory, and are configured to be executed by the above-mentioned processor, the above-mentioned programs Includes instructions for performing the following steps:
在检测到第一手指针对所述第一区域的触控操作时，通过所述屏下指纹传感器采集信号，处理得到第一指纹图像；When a touch operation of the first finger on the first area is detected, a signal is collected by the under-screen fingerprint sensor, and a first fingerprint image is obtained by processing;
在采集指纹过程中或在采集指纹过程后，确定所述第一手指的来源，以及基于所述第一手指的来源确定用于指纹识别的第一指纹模板集合；during or after the fingerprint collection process, determining the source of the first finger, and determining the first fingerprint template set for fingerprint identification based on the source of the first finger;
基于所述第一指纹图像和所述第一指纹模板集合进行指纹识别操作。A fingerprint recognition operation is performed based on the first fingerprint image and the first set of fingerprint templates.
在本申请的一实现方式中，所述触控屏还包括第二区域，所述第二区域环绕设于所述第一区域周围，所述第二区域的内侧边缘与所述第一区域的外侧边缘相接，在确定所述第一手指的来源方面，上述程序包括用于执行以下步骤的指令：In an implementation manner of the present application, the touch screen further includes a second area, the second area is arranged around the first area, and the inner edge of the second area and the first area are The outer edges meet, and in determining the source of the first finger, the above program includes instructions for performing the following steps:
确定所述第一手指触控所述第一区域时触控到所述第二区域的第一触控位置，以及基于所述第一触控位置确定所述第一手指的来源，所述第一手指的来源包括左手或右手。determining a first touch position that touches the second area when the first finger touches the first area, and determining the source of the first finger based on the first touch position, the first touch The source of a finger includes the left or right hand.
在本申请的一实现方式中，在确定所述第一手指的来源方面，上述程序包括用于执行以下步骤的指令：In an implementation manner of the present application, in terms of determining the source of the first finger, the above program includes instructions for performing the following steps:
确定所述第一手指触控所述第一区域的触控指向，以及基于所述触控指向确定所述第一手指的来源，所述第一手指的来源包括左手或右手。A touch direction of the first finger touching the first area is determined, and a source of the first finger is determined based on the touch direction, where the source of the first finger includes a left hand or a right hand.
在本申请的一实现方式中，在检测到第一手指针对所述第一区域的触控操作之前，上述程序包括还用于执行以下步骤的指令：In an implementation manner of the present application, before the touch operation of the first finger on the first area is detected, the above-mentioned program includes an instruction for further performing the following steps:
在所述第一区域内显示至少两个录入框，所述录入框用于指示在其内录入指纹，每个录入框对应一个手指来源；At least two input boxes are displayed in the first area, and the input boxes are used to instruct the fingerprints to be entered therein, and each input box corresponds to a finger source;
在确定所述第一手指的来源方面，上述程序包括用于执行以下步骤的指令：确定所述第一手指触控所述第一区域的第二触控位置；基于所述第二触控位置确定其对应的目标录入框；将所述目标录入框对应的手指来源作为所述第一手指的来源，所述第一手指的来源包括以下至少一个：儿童、成人、左手和右手。In terms of determining the source of the first finger, the above program includes instructions for performing the following steps: determining a second touch position where the first finger touches the first area; based on the second touch position Determine the corresponding target entry box; use the source of the finger corresponding to the target entry box as the source of the first finger, where the source of the first finger includes at least one of the following: children, adults, left and right hands.
在本申请的一实现方式中，在确定所述第一手指的来源方面，上述程序包括用于执行以下步骤的指令：In an implementation manner of the present application, in terms of determining the source of the first finger, the above program includes instructions for performing the following steps:
解析所述第一指纹图像，得到多个指纹特征，以及基于所述多个指纹特征确定所述第一手指的来源，所述第一手指的来源包括儿童或成人。The first fingerprint image is parsed to obtain a plurality of fingerprint features, and a source of the first finger is determined based on the plurality of fingerprint features, where the source of the first finger includes a child or an adult.
在本申请的一实现方式中，在检测到第一手指针对所述第一区域的触控操作之前，上述程序包括还用于执行以下步骤的指令：In an implementation manner of the present application, before the touch operation of the first finger on the first area is detected, the above-mentioned program includes an instruction for further performing the following steps:
在检测到第二手指针对所述第一区域的触控操作时，通过所述屏下指纹传感器采集信号，处理得到第二指纹图像；When detecting the touch operation of the second finger on the first area, collecting signals through the under-screen fingerprint sensor, and processing to obtain a second fingerprint image;
在采集指纹过程中或在采集指纹过程后，确定所述第二手指的来源；determining the source of the second finger during or after the fingerprint collection process;
将所述第二指纹图像加入所述第二手指的来源对应的第二指纹模板集合中。The second fingerprint image is added to the second fingerprint template set corresponding to the source of the second finger.
在本申请的一实现方式中，在基于所述第一指纹图像和所述第一指纹模板集合进行指纹识别操作之后，上述程序包括还用于执行以下步骤的指令：In an implementation manner of the present application, after the fingerprint identification operation is performed based on the first fingerprint image and the first fingerprint template set, the above-mentioned program includes instructions for performing the following steps:
在指纹识别成功后，进行指纹解锁操作，以及启用与所述第一手指的来源对应的使用模式。After the fingerprint identification is successful, a fingerprint unlocking operation is performed, and a usage mode corresponding to the source of the first finger is enabled.
需要说明的是，本实施例的具体实现过程可参见上述方法实施例所述的具体实现过程，在此不再叙述。It should be noted that, for the specific implementation process of this embodiment, reference may be made to the specific implementation process described in the foregoing method embodiment, which is not described herein again.
上述实施例主要从方法侧执行过程的角度对本申请实施例的方案进行了介绍。可以理解的是，移动终端为了实现上述功能，其包含了执行各个功能相应的硬件结构和/或软件模块。本领域技术人员应该很容易意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，本申请能够以硬件或硬件和计算机软件的结合形式来实现。某个功能究竟以硬件还是计算机软件驱动硬件的方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。The foregoing embodiments mainly introduce the solutions of the embodiments of the present application from the perspective of the method-side execution process. It can be understood that, in order to implement the above-mentioned functions, the mobile terminal includes corresponding hardware structures and/or software modules for executing each function. Those skilled in the art should easily realize that the present application can be implemented in hardware or a combination of hardware and computer software with the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein. Whether a function is performed by hardware or computer software driving hardware depends on the specific application and design constraints of the technical solution. Skilled artisans may implement the described functionality using different methods for each particular application, but such implementations should not be considered beyond the scope of this application.
本申请实施例可以根据所述方法示例对移动终端进行功能单元的划分，例如，可以对应各个功能划分各个功能单元，也可以将两个或两个以上的功能集成在一个处理单元中。所述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。需要说明的是，本申请实施例中对单元的划分是示意性的，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式。In the embodiments of the present application, the mobile terminal may be divided into functional units according to the method examples. For example, each functional unit may be divided corresponding to each function, or two or more functions may be integrated into one processing unit. The integrated unit may be implemented in the form of hardware, or may be implemented in the form of software functional units. It should be noted that the division of units in the embodiments of the present application is illustrative, and is only a logical function division, and other division methods may be used in actual implementation.
下面为本申请装置实施例，本申请装置实施例用于执行本申请方法实施例所实现的方法。请参阅图5，图5是本申请实施例提供的一种指纹识别装置，应用于包括触控屏和屏下指纹传感器的移动终端，所述触控屏包括第一区域，所述第一区域为指纹采集区域，所述屏下指纹传感器能够采集所述第一区域内的信号，所述移动终端中存储有至少两个指纹模板集合，该指纹识别装置包括：The following are apparatus embodiments of the present application, and the apparatus embodiments of the present application are used to execute the methods implemented by the method embodiments of the present application. Please refer to FIG. 5. FIG. 5 is a fingerprint identification device provided by an embodiment of the present application, which is applied to a mobile terminal including a touch screen and an under-screen fingerprint sensor. The touch screen includes a first area, and the first area is a fingerprint collection area, the under-screen fingerprint sensor can collect signals in the first area, the mobile terminal stores at least two fingerprint template sets, and the fingerprint identification device includes:
指纹采集单元501，用于在检测到第一手指针对所述第一区域的触控操作时，通过所述屏下指纹传感器采集信号，处理得到第一指纹图像；The fingerprint collection unit 501 is configured to collect signals through the under-screen fingerprint sensor when detecting a touch operation of the first finger on the first area, and process to obtain a first fingerprint image;
模板确定单元502，用于在采集指纹过程中或在采集指纹过程后，确定所述第一手指的来源，以及基于所述第一手指的来源确定用于指纹识别的第一指纹模板集合；A
指纹识别单元503，用于基于所述第一指纹图像和所述第一指纹模板集合进行指纹识别操作。The
在本申请的一实现方式中，所述触控屏还包括第二区域，所述第二区域环绕设于所述第一区域周围，所述第二区域的内侧边缘与所述第一区域的外侧边缘相接，在确定所述第一手指的来源方面，模板确定单元502具体用于：In an implementation manner of the present application, the touch screen further includes a second area, the second area is arranged around the first area, and the inner edge of the second area and the first area are The outer edges are connected, and in determining the source of the first finger, the
确定所述第一手指触控所述第一区域时触控到所述第二区域的第一触控位置，以及基于所述第一触控位置确定所述第一手指的来源，所述第一手指的来源包括左手或右手。determining a first touch position that touches the second area when the first finger touches the first area, and determining the source of the first finger based on the first touch position, the first touch The source of a finger includes the left or right hand.
在本申请的一实现方式中，在确定所述第一手指的来源方面，模板确定单元502具体用于：In an implementation manner of the present application, in terms of determining the source of the first finger, the
确定所述第一手指触控所述第一区域的触控指向，以及基于所述触控指向确定所述第一手指的来源，所述第一手指的来源包括左手或右手。A touch direction of the first finger touching the first area is determined, and a source of the first finger is determined based on the touch direction, where the source of the first finger includes a left hand or a right hand.
在本申请的一实现方式中，该指纹识别装置还包括：In an implementation manner of the present application, the fingerprint identification device further includes:
屏幕控制单元504，用于在检测到第一手指针对所述第一区域的触控操作之前，在所述第一区域内显示至少两个录入框，所述录入框用于指示在其内录入指纹，每个录入框对应一个手指来源；The
在确定所述第一手指的来源方面，模板确定单元502具体用于：确定所述第一手指触控所述第一区域的第二触控位置；基于所述第二触控位置确定其对应的目标录入框；将所述目标录入框对应的手指来源作为所述第一手指的来源，所述第一手指的来源包括以下至少一个：儿童、成人、左手和右手。In terms of determining the source of the first finger, the
在本申请的一实现方式中，在确定所述第一手指的来源方面，模板确定单元502具体用于：In an implementation manner of the present application, in terms of determining the source of the first finger, the
解析所述第一指纹图像，得到多个指纹特征，以及基于所述多个指纹特征确定所述第一手指的来源，所述第一手指的来源包括儿童或成人。The first fingerprint image is parsed to obtain a plurality of fingerprint features, and a source of the first finger is determined based on the plurality of fingerprint features, where the source of the first finger includes a child or an adult.
在本申请的一实现方式中，检测到手指针对所述第一区域的触控操作之前，指纹采集单元501，还用于在检测到第二手指针对所述第一区域的触控操作时，通过所述屏下指纹传感器采集信号，处理得到第二指纹图像；In an implementation manner of the present application, before detecting the touch operation of the finger on the first area, the fingerprint collection unit 501 is further configured to: when detecting the touch operation of the second finger on the first area, Collecting signals through the under-screen fingerprint sensor, and processing to obtain a second fingerprint image;
模板确定单元502，还用于在采集指纹过程中或在采集指纹过程后，确定所述第二手指的来源；The
该指纹识别装置还包括：The fingerprint identification device also includes:
指纹录入单元505，用于将所述第二指纹图像加入所述第二手指的来源对应的第二指纹模板集合中。The
在本申请的一实现方式中，在基于所述第一指纹图像和所述第一指纹模板集合进行指纹识别操作之后，该指纹识别装置还包括：In an implementation manner of the present application, after performing a fingerprint identification operation based on the first fingerprint image and the first fingerprint template set, the fingerprint identification device further includes:
解锁单元506，用于在指纹识别成功后，进行指纹解锁操作；The unlocking
模式启用单元507，用于启用与所述第一手指的来源对应的使用模式。The
需要说明的是，指纹采集单元501、模板确定单元502、指纹识别单元503、屏幕控制单元504、指纹录入单元505、解锁单元506和模式启用单元507可通过处理器实现。It should be noted that the fingerprint collection unit 501 , the
本申请实施例还提供一种计算机存储介质，其中，该计算机存储介质存储用于存储计算机程序，该计算机程序被处理器执行如上述方法实施例中记载的任一方法的部分或全部步骤，上述计算机包括移动终端。Embodiments of the present application further provide a computer storage medium, wherein the computer storage medium stores a computer program for storing a computer program, and the computer program is executed by a processor as part or all of the steps of any method described in the above method embodiments. The computer includes a mobile terminal.
本申请实施例还提供一种计算机程序产品，上述计算机程序产品包括存储了计算机程序的非瞬时性计算机可读存储介质，上述计算机程序可操作来使计算机执行如上述方法实施例中记载的任一方法的部分或全部步骤。该计算机程序产品可以为一个软件安装包，上述计算机包括移动终端。Embodiments of the present application further provide a computer program product, where the computer program product includes a non-transitory computer-readable storage medium storing a computer program, and the computer program is operable to cause a computer to execute any one of the method embodiments described above. some or all of the steps of the method. The computer program product may be a software installation package, and the above-mentioned computer includes a mobile terminal.
需要说明的是，对于前述的各方法实施例，为了简单描述，故将其都表述为一系列的动作组合，但是本领域技术人员应该知悉，本申请并不受所描述的动作顺序的限制，因为依据本申请，某些步骤可以采用其他顺序或者同时进行。其次，本领域技术人员也应该知悉，说明书中所描述的实施例均属于优选实施例，所涉及的动作和模块并不一定是本申请所必须的。It should be noted that, for the sake of simple description, the foregoing method embodiments are all expressed as a series of action combinations, but those skilled in the art should know that the present application is not limited by the described action sequence. Because in accordance with the present application, certain steps may be performed in other orders or concurrently. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present application.
在上述实施例中，对各个实施例的描述都各有侧重，某个实施例中没有详述的部分，可以参见其他实施例的相关描述。In the above-mentioned embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference may be made to the relevant descriptions of other embodiments.
在本申请所提供的几个实施例中，应该理解到，所揭露的装置，可通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如上述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性或其它的形式。In the several embodiments provided in this application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the device embodiments described above are only illustrative. For example, the division of the above-mentioned units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated. to another system, or some features can be ignored, or not implemented. On the other hand, the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical or other forms.
上述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。The units described above as separate components may or may not be physically separated, and components shown as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit. The above-mentioned integrated units may be implemented in the form of hardware, or may be implemented in the form of software functional units.
上述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储器中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的全部或部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储器中，包括若干指令用以使得一台计算机设备(可为个人计算机、服务器或者网络设备等)执行本申请各个实施例上述方法的全部或部分步骤。而前述的存储器包括：U盘、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、移动硬盘、磁碟或者光盘等各种可以存储程序代码的介质。The above-mentioned integrated units, if implemented in the form of software functional units and sold or used as independent products, may be stored in a computer-readable memory. Based on this understanding, the technical solution of the present application can be embodied in the form of a software product in essence, or the part that contributes to the prior art, or all or part of the technical solution, and the computer software product is stored in a memory, Several instructions are included to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the above-mentioned methods in the various embodiments of the present application. The aforementioned memory includes: U disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disk or optical disk and other media that can store program codes.
本领域普通技术人员可以理解上述实施例的各种方法中的全部或部分步骤是可以通过程序来指令相关的硬件来完成，该程序可以存储于一计算机可读存储器中，存储器可以包括：闪存盘、只读存储器(英文：Read-Only Memory，简称：ROM)、随机存取器(英文：Random Access Memory，简称：RAM)、磁盘或光盘等。Those skilled in the art can understand that all or part of the steps in the various methods of the above embodiments can be completed by instructing relevant hardware through a program, and the program can be stored in a computer-readable memory, and the memory can include: a flash disk , Read-only memory (English: Read-Only Memory, referred to as: ROM), random access device (English: Random Access Memory, referred to as: RAM), magnetic disk or optical disk, etc.
以上对本申请实施例进行了详细介绍，本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请的方法及其核心思想；同时，对于本领域的一般技术人员，依据本申请的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本申请的限制。The embodiments of the present application have been introduced in detail above, and the principles and implementations of the present application are described in this paper by using specific examples. The descriptions of the above embodiments are only used to help understand the methods and core ideas of the present application; at the same time, for Persons of ordinary skill in the art, based on the idea of the present application, will have changes in the specific implementation manner and application scope. In summary, the contents of this specification should not be construed as limitations on the present application.
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| CN113807141B (en)* | 2020-06-12 | 2025-04-08 | 华为技术有限公司 | Fingerprint identification method, electronic device and medium thereof |
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