技术领域technical field
本发明涉及移动终端技术领域，特别涉及一种指纹注册方法、装置及移动终端。The invention relates to the technical field of mobile terminals, in particular to a fingerprint registration method, device and mobile terminal.
背景技术Background technique
随着科技的进步，智能移动终端已成为人们生活必不可少的工具之一。在智能移动终端中加入指纹识别技术，已经成为主流的技术方案。指纹识别技术不仅可以应用于移动终端的解锁、唤醒等功能，也是移动支付重要的一环。With the advancement of technology, smart mobile terminals have become one of the essential tools in people's lives. Adding fingerprint identification technology to smart mobile terminals has become a mainstream technical solution. Fingerprint recognition technology can not only be applied to functions such as unlocking and waking up of mobile terminals, but also an important part of mobile payment.
目前，用户在对指纹进行注册时，为了提高指纹识别的成功率，通常需要用户多次录入指纹。例如，首次注册需要录入20次左右才能成功注册指纹模板。At present, when a user registers a fingerprint, in order to increase the success rate of fingerprint identification, the user usually needs to enter the fingerprint multiple times. For example, the first registration requires about 20 entries to successfully register the fingerprint template.
但是，通过多次录入对指纹进行注册的方法存在以下问题：当用户用多个手指去注册时，同样能够注册成功。假如用户用拇指、食指和中指三个不同的手指总共录入20次，在指纹注册成功后，这三个手指往往都能够识别成功。主要是因为多个手指注册同一指纹，会导致每个手指采集的设定区域图像的数量比一个手指注册一个指纹采集的设定区域图像的数量少，导致指纹识别的认假率变高；而且多个手指均能识别成功，可能会存在安全隐患，用户体验变差。However, there is the following problem in the method of registering fingerprints through multiple input: when the user registers with multiple fingers, the registration can also be successful. If the user uses three different fingers, thumb, index finger and middle finger, to enter a total of 20 times, after the fingerprint registration is successful, these three fingers can often be recognized successfully. The main reason is that when multiple fingers register the same fingerprint, the number of images of the set area collected by each finger is less than the number of images of the set area collected by one finger registering one fingerprint, resulting in a higher false recognition rate of fingerprint identification; and If multiple fingers can be recognized successfully, there may be potential safety hazards and poor user experience.
发明内容Contents of the invention
本发明旨在至少在一定程度上解决相关技术中的技术问题之一。为此，本发明的一个目的在于提出一种指纹注册方法，该方法能够避免多个手指注册同一指纹的问题，消除安全隐患。The present invention aims to solve one of the technical problems in the related art at least to a certain extent. Therefore, an object of the present invention is to provide a fingerprint registration method, which can avoid the problem of multiple fingers registering the same fingerprint and eliminate potential safety hazards.
本发明的第二个目的在于提出一种指纹注册装置。The second object of the present invention is to provide a fingerprint registration device.
本发明的第三个目的在于提出一种移动终端。The third object of the present invention is to provide a mobile terminal.
本发明的第四个目的在于提出另一种移动终端。A fourth object of the present invention is to propose another mobile terminal.
为了实现上述目的，本发明第一方面实施例提出了一种指纹注册方法，包括：接收用户第N次输入的注册指纹图像并提取所述第N次输入的注册指纹图像的设定区域图像，其中，N为正整数；根据所述第N次输入的注册指纹图像的设定区域图像、第一次至第N-1次输入的注册指纹图像的设定区域图像判断所述注册指纹图像与第一至第N-1次输入的注册指纹图像是否属于同一个手指；以及如果属于同一个手指，则将所述第N次输入的注册指纹图像添加至注册指纹图像候选集合，其中，根据所述注册指纹图像候选集合中的注册指纹图像生成对应的指纹模板。In order to achieve the above object, the embodiment of the first aspect of the present invention proposes a fingerprint registration method, including: receiving the registered fingerprint image input by the user for the Nth time and extracting the set area image of the registered fingerprint image input for the Nth time, Wherein, N is a positive integer; according to the set area image of the registered fingerprint image input for the Nth time, the set area image of the registered fingerprint image input for the first time to the N-1th time, it is judged that the registered fingerprint image and Whether the registered fingerprint images input for the first to N-1 times belong to the same finger; and if they belong to the same finger, the registered fingerprint images input for the Nth time are added to the registered fingerprint image candidate set, wherein, according to the Generate corresponding fingerprint templates from the registration fingerprint images in the registration fingerprint image candidate set.
本发明实施例的指纹注册方法，通过接收用户第N次输入的注册指纹图像并提取所述第N次输入的注册指纹图像的设定区域图像，根据所述第N次输入的注册指纹图像的设定区域图像、第一次至第N-1次输入的注册指纹图像的设定区域图像判断所述注册指纹图像与第一至第N-1次输入的注册指纹图像是否属于同一个手指，以及如果属于同一个手指，则将所述第N次输入的注册指纹图像添加至注册指纹图像候选集合，避免了多个手指注册同一指纹的问题，消除安全隐患，提升用户使用体验。In the fingerprint registration method of the embodiment of the present invention, by receiving the registered fingerprint image input by the user for the Nth time and extracting the set area image of the registered fingerprint image input for the Nth time, according to the registered fingerprint image input for the Nth time The set area image and the set area image of the registered fingerprint images input for the first to N-1 times are judged whether the registered fingerprint image and the registered fingerprint images input for the first to N-1 times belong to the same finger, And if it belongs to the same finger, the registered fingerprint image input for the Nth time is added to the registered fingerprint image candidate set, which avoids the problem of multiple fingers registering the same fingerprint, eliminates potential safety hazards, and improves user experience.
本发明第二方面实施例提出了一种指纹注册装置，包括：接收模块，用于接收用户第N次输入的注册指纹图像并提取所述第N次输入的注册指纹图像的设定区域图像，其中，N为正整数；判断模块，用于根据所述第N次输入的注册指纹图像的设定区域图像、第一次至第N-1次输入的注册指纹图像的设定区域图像判断所述注册指纹图像与第一至第N-1次输入的注册指纹图像是否属于同一个手指；以及添加模块，用于如果属于同一个手指，则将所述第N次输入的注册指纹图像添加至注册指纹图像候选集合，其中，根据所述注册指纹图像候选集合中的注册指纹图像生成对应的指纹模板。The embodiment of the second aspect of the present invention proposes a fingerprint registration device, including: a receiving module for receiving the registered fingerprint image input by the user for the Nth time and extracting the set area image of the registered fingerprint image input for the Nth time, Wherein, N is a positive integer; the judging module is used to determine the location according to the set area image of the registered fingerprint image input for the Nth time, and the set area images of the registered fingerprint image input for the first to N-1 times. Whether the registered fingerprint image and the registered fingerprint image input for the first to N-1 times belong to the same finger; and the adding module is used to add the registered fingerprint image input for the Nth time to the A candidate set of registered fingerprint images, wherein a corresponding fingerprint template is generated according to the registered fingerprint images in the candidate set of registered fingerprint images.
本发明实施例的指纹注册装置，通过接收用户第N次输入的注册指纹图像并提取所述第N次输入的注册指纹图像的设定区域图像，根据所述第N次输入的注册指纹图像的设定区域图像、第一次至第N-1次输入的注册指纹图像的设定区域图像判断所述注册指纹图像与第一至第N-1次输入的注册指纹图像是否属于同一个手指，以及如果属于同一个手指，则将所述第N次输入的注册指纹图像添加至注册指纹图像候选集合，避免了多个手指注册同一指纹的问题，消除安全隐患，提升用户使用体验。The fingerprint registration device according to the embodiment of the present invention receives the registered fingerprint image input by the user for the Nth time and extracts the set area image of the registered fingerprint image input for the Nth time. The set area image and the set area image of the registered fingerprint images input for the first to N-1 times are judged whether the registered fingerprint image and the registered fingerprint images input for the first to N-1 times belong to the same finger, And if it belongs to the same finger, the registered fingerprint image input for the Nth time is added to the registered fingerprint image candidate set, which avoids the problem of multiple fingers registering the same fingerprint, eliminates potential safety hazards, and improves user experience.
本发明第三方面实施例提出了一种移动终端，包括第二方面实施例提出的指纹注册装置。The embodiment of the third aspect of the present invention provides a mobile terminal, including the fingerprint registration device provided by the embodiment of the second aspect.
本发明第四方面实施例提出了一种移动终端，包括：外壳，屏幕，处理器和电路板；所述屏幕安置在所述外壳上，所述电路板安置在所述外壳围成的空间内部，所述处理器设置在所述电路板上；所述处理器用于处理数据，具体用于：接收用户第N次输入的注册指纹图像并提取所述第N次输入的注册指纹图像的设定区域图像，其中，N为正整数；根据所述第N次输入的注册指纹图像的设定区域图像、第一次至第N-1次输入的注册指纹图像的设定区域图像判断所述注册指纹图像与第一至第N-1次输入的注册指纹图像是否属于同一个手指；以及如果属于同一个手指，则将所述第N次输入的注册指纹图像添加至注册指纹图像候选集合，其中，根据所述注册指纹图像候选集合中的注册指纹图像生成对应的指纹模板。The embodiment of the fourth aspect of the present invention proposes a mobile terminal, including: a housing, a screen, a processor and a circuit board; the screen is placed on the housing, and the circuit board is placed inside the space enclosed by the housing , the processor is arranged on the circuit board; the processor is used for processing data, specifically for: receiving the registered fingerprint image input by the user for the Nth time and extracting the setting of the registered fingerprint image input for the Nth time Area images, wherein N is a positive integer; the registration is judged according to the set area images of the registered fingerprint images input for the Nth time, and the set area images of the registered fingerprint images input for the first to N-1 times. Whether the fingerprint image and the registered fingerprint image of the first to N-1 input belong to the same finger; and if they belong to the same finger, the registered fingerprint image of the Nth input is added to the registered fingerprint image candidate set, wherein , generating a corresponding fingerprint template according to the registered fingerprint images in the registered fingerprint image candidate set.
附图说明Description of drawings
本发明上述的和/或附加的方面和优点从下面结合附图对实施例的描述中将变得明显和容易理解，其中：The above and/or additional aspects and advantages of the present invention will become apparent and easy to understand from the following description of the embodiments in conjunction with the accompanying drawings, wherein:
图1是根据本发明一个实施例的指纹注册方法的流程图。FIG. 1 is a flowchart of a fingerprint registration method according to an embodiment of the present invention.
图2是根据本发明一个实施例的指纹注册装置的结构示意图一；Fig. 2 is a schematic structural diagram of a fingerprint registration device according to an embodiment of the present invention;
图3为根据本发明一个实施例的指纹注册装置的结构示意图二；Fig. 3 is a structural schematic diagram II of a fingerprint registration device according to an embodiment of the present invention;
图4为根据本发明一个实施例的指纹注册装置的结构示意图三。Fig. 4 is a schematic structural diagram III of a fingerprint registration device according to an embodiment of the present invention.
具体实施方式detailed description
下面详细描述本发明的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，旨在用于解释本发明，而不能理解为对本发明的限制。Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
下面参考附图描述本发明实施例的指纹注册方法、装置及移动终端。The following describes the fingerprint registration method, device and mobile terminal according to the embodiments of the present invention with reference to the accompanying drawings.
图1是根据本发明一个实施例的指纹注册方法的流程图。FIG. 1 is a flowchart of a fingerprint registration method according to an embodiment of the present invention.
如图1所示，指纹注册方法可包括：As shown in Figure 1, the fingerprint registration method may include:
S1、接收用户第N次输入的注册指纹图像并提取第N次输入的注册指纹图像的设定区域图像。S1. Receive the registered fingerprint image input by the user for the Nth time and extract the set area image of the registered fingerprint image input for the Nth time.
具体地，可接收用户第N次输入的注册指纹图像，然后提取对应的注册指纹图像的设定区域图像。其中，N为正整数，例如第5次等。其中，设定区域图像可以是10*10像素的正方形区域，也可以是半径是10像素的圆形区域，可根据实际需求进行设定。Specifically, the registered fingerprint image input by the user for the Nth time may be received, and then the corresponding set area image of the registered fingerprint image may be extracted. Wherein, N is a positive integer, such as the fifth order. Wherein, the set area image may be a square area of 10*10 pixels, or a circular area with a radius of 10 pixels, which can be set according to actual needs.
S2、根据第N次输入的注册指纹图像的设定区域图像、第一次至第N-1次输入的注册指纹图像的设定区域图像判断注册指纹图像与第一至第N-1次输入的注册指纹图像是否属于同一个手指。S2. According to the set area image of the registered fingerprint image input for the Nth time, and the set area images of the registered fingerprint image input for the first to N-1th time, determine the registered fingerprint image and the first to N-1th input Whether the registered fingerprint images belong to the same finger.
具体地，可将第N次输入的注册指纹图像的设定区域图像与第一次至第N-1次输入的注册指纹图像的设定区域图像进行匹配，从而生成第一至第N-1个相似度值。如果第一至第N-1个相似度值均大于预设阈值，则可判断注册指纹图像与第一至第N-1次输入的注册指纹图像属于同一个手指。如果第一至第N-1个相似度值中的任一个小于预设阈值，则可判断注册指纹图像与第一至第N-1次输入的注册指纹图像不属于同一个手指。举例来说，假设N等于5，也就是说，可以将第五次输入的注册指纹图像的设定区域图像分别与前四次输入的注册指纹图像的设定区域图像分别进行匹配，生成四个相似度值，即第一相似度值、第二相似度值、第三相似度值和第四相似度值。假设第一相似度值91分、第二相似度值93分、第三相似度值94分和第四相似度值92分，上述四个相似度值均大于预设阈值90分，则可确定第五次输入的注册指纹图像与前四次输入的注册指纹图像属于同一个手指。假设第一相似度值80分、第二相似度值93分、第三相似度值94分和第四相似度值92分，第一相似度值小于预设阈值90分，则可确定第五次输入的注册指纹图像与前四次输入的注册指纹图像不属于同一个手指。Specifically, the set area images of the registered fingerprint images input for the Nth time can be matched with the set area images of the registered fingerprint images input for the first to N-1 times, thereby generating the first to N-1 a similarity value. If the first to N-1th similarity values are all greater than the preset threshold, it can be determined that the registered fingerprint image and the first to N-1th input registered fingerprint images belong to the same finger. If any one of the first to N-1th similarity values is smaller than the preset threshold, it can be determined that the registered fingerprint image and the first to N-1th input registered fingerprint images do not belong to the same finger. For example, assuming that N is equal to 5, that is to say, the set area images of the registered fingerprint images input for the fifth time can be respectively matched with the set area images of the registered fingerprint images input for the first four times to generate four The similarity values are the first similarity value, the second similarity value, the third similarity value and the fourth similarity value. Assuming that the first similarity value is 91 points, the second similarity value is 93 points, the third similarity value is 94 points, and the fourth similarity value is 92 points, and the above four similarity values are all greater than the preset threshold value of 90 points, then it can be determined The registered fingerprint image entered for the fifth time belongs to the same finger as the registered fingerprint image entered for the first four times. Assuming that the first similarity value is 80 points, the second similarity value is 93 points, the third similarity value is 94 points, and the fourth similarity value is 92 points, and the first similarity value is less than the preset threshold value of 90 points, then the fifth The registered fingerprint image input for the second time does not belong to the same finger as the registered fingerprint image input for the previous four times.
在每次接收到用户输入的注册指纹图像后，可提取对应的注册指纹图像的设定区域图像，并进行保存，以用于对用户下一次输入的注册指纹图像的设定区域图像进行匹配。应当理解的是，每次提取的注册指纹图像的设定区域图像的位置应保持一致，例如第一次提取的是注册指纹图像的右下角的10x10的区域，则第二次至第N次提取的也应是同样位置的10x10的区域。After receiving the registered fingerprint image input by the user each time, the set area image of the corresponding registered fingerprint image can be extracted and saved for matching the set area image of the registered fingerprint image input by the user next time. It should be understood that the position of the set area image of the registered fingerprint image extracted each time should be consistent, for example, the first extraction is the 10x10 area in the lower right corner of the registered fingerprint image, then the second to the Nth extraction should also be a 10x10 area at the same location.
S3、如果属于同一个手指，则将第N次输入的注册指纹图像添加至注册指纹图像候选集合。S3. If they belong to the same finger, add the registered fingerprint image input for the Nth time to the candidate set of registered fingerprint images.
继续上一步骤的例子进行说明，当第五次输入的注册指纹图像与前四次输入的注册指纹图像属于同一个手指时，可将第五次输入的注册指纹图像添加至注册指纹图像候选集合，然后可根据前五次输入的注册指纹图像生成对应的指纹模板。Continuing the example of the previous step for illustration, when the registered fingerprint image input for the fifth time and the registered fingerprint images input for the first four times belong to the same finger, the registered fingerprint image input for the fifth time can be added to the candidate set of registered fingerprint images , and then the corresponding fingerprint template can be generated according to the registered fingerprint images input for the first five times.
S4、如果不属于同一个手指，则将第N次输入的注册指纹图像丢弃，继续接收用户输入的注册指纹图像。S4. If they do not belong to the same finger, discard the registered fingerprint image input for the Nth time, and continue to receive the registered fingerprint image input by the user.
具体地，如果不属于同一个手指，则可将第五次输入的注册指纹图像丢弃，然后继续接收用户重新输入的注册指纹图像，再进行后续判断的步骤。Specifically, if they do not belong to the same finger, the registered fingerprint image input for the fifth time can be discarded, and then continue to receive the registered fingerprint image re-input by the user, and then proceed to the subsequent judgment steps.
此外，还可记录不属于同一个手指的次数。当次数大于第一预设阈值如三次时，可向用户发送请输入同一个手指的指纹图像的提示信息，例如“检测到另一手指进行注册，请输入同一个手指”等。In addition, the number of times that do not belong to the same finger can be recorded. When the number of times is greater than the first preset threshold such as three times, a prompt message to input the fingerprint image of the same finger may be sent to the user, for example, "Another finger is detected for registration, please input the same finger" and so on.
当次数大于第二预设阈值如10次时，可向用户发送是否删除已存注册指纹图像的提示。如果接收到用户确实删除的指示，则可将第一次至第N-1次输入的注册指纹图像删除。举例来说，用户在第五次输入的注册指纹图像时，连续10次被判断为输入的注册指纹图像与前四次输入的注册指纹图像不属于同一个手指，则可向用户提示“您的指纹录入错误超过10次，请问是否删除之前录入的数据”，如果用户选择“是”，则可删除前四次输入的注册指纹图像。When the number of times is greater than the second preset threshold, such as 10 times, a prompt may be sent to the user whether to delete the stored registered fingerprint image. If an instruction to confirm deletion is received from the user, the registered fingerprint images input for the first to N-1th times may be deleted. For example, when the user enters the registered fingerprint image for the fifth time, if it is judged that the registered fingerprint image entered does not belong to the same finger as the registered fingerprint image entered for the previous four times in a row, the user can be prompted "Your Fingerprints have been entered incorrectly more than 10 times. Would you like to delete the previously entered data?" If the user selects "Yes", the registered fingerprint images entered for the previous four times can be deleted.
本发明实施例的指纹注册方法，通过接收用户第N次输入的注册指纹图像并提取第N次输入的注册指纹图像的设定区域图像，根据第N次输入的注册指纹图像的设定区域图像、第一次至第N-1次输入的注册指纹图像的设定区域图像判断注册指纹图像与第一至第N-1次输入的注册指纹图像是否属于同一个手指，以及如果属于同一个手指，则将第N次输入的注册指纹图像添加至注册指纹图像候选集合，避免了多个手指注册同一指纹的问题，消除安全隐患，提升用户使用体验。In the fingerprint registration method of the embodiment of the present invention, by receiving the registered fingerprint image input by the user for the Nth time and extracting the set area image of the registered fingerprint image input for the Nth time, according to the set area image of the registered fingerprint image input for the Nth time , The set area image of the registered fingerprint image input for the first to N-1 times to determine whether the registered fingerprint image and the registered fingerprint image input for the first to N-1 times belong to the same finger, and if they belong to the same finger , the registered fingerprint image input for the Nth time is added to the candidate set of registered fingerprint images, which avoids the problem of multiple fingers registering the same fingerprint, eliminates security risks, and improves user experience.
为实现上述目的，本发明还提出一种指纹注册装置。To achieve the above purpose, the present invention also proposes a fingerprint registration device.
图2是根据本发明一个实施例的指纹注册装置的结构示意图一。Fig. 2 is a first structural schematic diagram of a fingerprint registration device according to an embodiment of the present invention.
如图2所示，指纹注册装置可包括：接收模块110、判断模块120和添加模块130。As shown in FIG. 2 , the fingerprint registration device may include: a receiving module 110 , a judging module 120 and an adding module 130 .
接收模块110可接收用户第N次输入的注册指纹图像并提取第N次输入的注册指纹图像的设定区域图像。具体地，接收模块110可接收用户第N次输入的注册指纹图像，然后提取对应的注册指纹图像的设定区域图像。其中，N为正整数，例如第5次等。其中，设定区域图像可以是10*10像素的正方形区域，也可以是半径是10像素的圆形区域，可根据实际需求进行设定。The receiving module 110 may receive the registered fingerprint image input by the user for the Nth time and extract the set area image of the registered fingerprint image input for the Nth time. Specifically, the receiving module 110 may receive the registered fingerprint image input by the user for the Nth time, and then extract the corresponding set area image of the registered fingerprint image. Wherein, N is a positive integer, such as the fifth order. Wherein, the set area image may be a square area of 10*10 pixels, or a circular area with a radius of 10 pixels, which can be set according to actual needs.
判断模块120可根据第N次输入的注册指纹图像的设定区域图像、第一次至第N-1次输入的注册指纹图像的设定区域图像判断注册指纹图像与第一至第N-1次输入的注册指纹图像是否属于同一个手指。The judging module 120 can judge the registered fingerprint image and the first to N-1th input fingerprint image according to the set area image of the registered fingerprint image input for the Nth time and the set area images of the registered fingerprint image input for the first to N-1th time. Whether the registered fingerprint images entered for the second time belong to the same finger.
具体地，判断模块120可将第N次输入的注册指纹图像的设定区域图像与第一次至第N-1次输入的注册指纹图像的设定区域图像进行匹配，从而生成第一至第N-1个相似度值。如果第一至第N-1个相似度值均大于预设阈值，则可判断注册指纹图像与第一至第N-1次输入的注册指纹图像属于同一个手指。如果第一至第N-1个相似度值中的任一个小于预设阈值，则可判断注册指纹图像与第一至第N-1次输入的注册指纹图像不属于同一个手指。举例来说，假设N等于5，也就是说，可以将第五次输入的注册指纹图像的设定区域图像分别与前四次输入的注册指纹图像的设定区域图像分别进行匹配，生成四个相似度值，即第一相似度值、第二相似度值、第三相似度值和第四相似度值。假设第一相似度值91分、第二相似度值93分、第三相似度值94分和第四相似度值92分，上述四个相似度值均大于预设阈值90分，则可确定第五次输入的注册指纹图像与前四次输入的注册指纹图像属于同一个手指。假设第一相似度值80分、第二相似度值93分、第三相似度值94分和第四相似度值92分，第一相似度值小于预设阈值90分，则可确定第五次输入的注册指纹图像与前四次输入的注册指纹图像不属于同一个手指。Specifically, the judging module 120 can match the set area images of the registered fingerprint images input for the Nth time with the set area images of the registered fingerprint images input for the first to N-1 times, thereby generating the first to the Nth N-1 similarity values. If the first to N-1th similarity values are all greater than the preset threshold, it can be determined that the registered fingerprint image and the first to N-1th input registered fingerprint images belong to the same finger. If any one of the first to N-1th similarity values is smaller than the preset threshold, it can be determined that the registered fingerprint image and the first to N-1th input registered fingerprint images do not belong to the same finger. For example, assuming that N is equal to 5, that is to say, the set area images of the registered fingerprint images input for the fifth time can be respectively matched with the set area images of the registered fingerprint images input for the first four times to generate four The similarity values are the first similarity value, the second similarity value, the third similarity value and the fourth similarity value. Assuming that the first similarity value is 91 points, the second similarity value is 93 points, the third similarity value is 94 points, and the fourth similarity value is 92 points, and the above four similarity values are all greater than the preset threshold value of 90 points, then it can be determined The registered fingerprint image entered for the fifth time belongs to the same finger as the registered fingerprint image entered for the first four times. Assuming that the first similarity value is 80 points, the second similarity value is 93 points, the third similarity value is 94 points, and the fourth similarity value is 92 points, and the first similarity value is less than the preset threshold value of 90 points, then the fifth The registered fingerprint image input for the second time does not belong to the same finger as the registered fingerprint image input for the previous four times.
在每次接收到用户输入的注册指纹图像后，可提取对应的注册指纹图像的设定区域图像，并进行保存，以用于对用户下一次输入的注册指纹图像的设定区域图像进行匹配。应当理解的是，每次提取的注册指纹图像的设定区域图像的位置应保持一致，例如第一次提取的是注册指纹图像的右下角的10x10的区域，则第二次至第N次提取的也应是同样位置的10x10的区域。After receiving the registered fingerprint image input by the user each time, the set area image of the corresponding registered fingerprint image can be extracted and saved for matching the set area image of the registered fingerprint image input by the user next time. It should be understood that the position of the set area image of the registered fingerprint image extracted each time should be consistent, for example, the first extraction is the 10x10 area in the lower right corner of the registered fingerprint image, then the second to the Nth extraction should also be a 10x10 area at the same location.
添加模块130可当注册指纹图像与第一至第N-1次输入的注册指纹图像属于同一个手指时，将第N次输入的注册指纹图像添加至注册指纹图像候选集合。The adding module 130 may add the registered fingerprint image input for the Nth time to the candidate set of registered fingerprint images when the registered fingerprint image and the registered fingerprint images input for the first to N-1th times belong to the same finger.
继续上一步骤的例子进行说明，当第五次输入的注册指纹图像与前四次输入的注册指纹图像属于同一个手指时，添加模块130可将第五次输入的注册指纹图像添加至注册指纹图像候选集合，然后可根据前五次输入的注册指纹图像生成对应的指纹模板。Continuing the example of the previous step for illustration, when the registered fingerprint image input for the fifth time and the registered fingerprint images input for the first four times belong to the same finger, the adding module 130 can add the registered fingerprint image input for the fifth time to the registered fingerprint The image candidate set, and then the corresponding fingerprint template can be generated according to the registration fingerprint images input in the first five times.
此外，如图3所示，指纹注册装置还可包括丢弃模块140。In addition, as shown in FIG. 3 , the fingerprint registration device may further include a discarding module 140 .
丢弃模块140可当不属于同一个手指时，将第N次输入的注册指纹图像丢弃，然后接收模块110继续接收用户输入的注册指纹图像。The discarding module 140 may discard the registered fingerprint image input for the Nth time if it does not belong to the same finger, and then the receiving module 110 continues to receive the registered fingerprint image input by the user.
继续上一步骤的例子进行说明，当第五次输入的注册指纹图像与前四次输入的注册指纹图像属于同一个手指时，可将第五次输入的注册指纹图像丢弃，然后接收模块110继续接收用户重新输入的注册指纹图像。Continuing the example of the previous step for illustration, when the registered fingerprint image input for the fifth time and the registered fingerprint images input for the first four times belong to the same finger, the registered fingerprint image input for the fifth time can be discarded, and then the receiving module 110 continues Receive the registered fingerprint image re-entered by the user.
另外，如图4所示，指纹注册装置还可包括提示模块150。In addition, as shown in FIG. 4 , the fingerprint registration device may further include a prompt module 150 .
提示模块150可记录不属于同一个手指的次数，以及当次数大于第一预设阈值时，向用户发送请输入同一个手指的指纹图像的提示信息。举例来说，当次数大于三次时，可向用户发送提示信息“检测到另一手指进行注册，请输入同一个手指”等。The prompt module 150 can record the number of times that do not belong to the same finger, and when the number is greater than the first preset threshold, send a prompt message to the user to input the fingerprint image of the same finger. For example, when the number of times is greater than three times, a prompt message "Another finger is detected for registration, please input the same finger" may be sent to the user.
当次数大于第二预设阈值如10次时，提示模块150可向用户发送是否删除已存注册指纹图像的提示。如果接收到用户确实删除的指示，则可将第一次至第N-1次输入的注册指纹图像删除。举例来说，用户在第五次输入的注册指纹图像时，连续10次被判断为输入的注册指纹图像与前四次输入的注册指纹图像不属于同一个手指，则可向用户提示“您的指纹录入错误超过10次，请问是否删除之前录入的数据”，如果用户选择“是”，则可删除前四次输入的注册指纹图像。When the number of times is greater than a second preset threshold such as 10, the prompt module 150 may send a prompt to the user whether to delete the stored registered fingerprint image. If an instruction to confirm deletion is received from the user, the registered fingerprint images input for the first to N-1th times may be deleted. For example, when the user enters the registered fingerprint image for the fifth time, if it is judged that the registered fingerprint image entered does not belong to the same finger as the registered fingerprint image entered for the previous four times in a row, the user can be prompted "Your Fingerprints have been entered incorrectly more than 10 times. Would you like to delete the previously entered data?" If the user selects "Yes", the registered fingerprint images entered for the previous four times can be deleted.
本发明实施例的指纹注册装置，通过接收用户第N次输入的注册指纹图像并提取第N次输入的注册指纹图像的设定区域图像，根据第N次输入的注册指纹图像的设定区域图像、第一次至第N-1次输入的注册指纹图像的设定区域图像判断注册指纹图像与第一至第N-1次输入的注册指纹图像是否属于同一个手指，以及如果属于同一个手指，则将第N次输入的注册指纹图像添加至注册指纹图像候选集合，避免了多个手指注册同一指纹的问题，消除安全隐患，提升用户使用体验。The fingerprint registration device according to the embodiment of the present invention receives the registered fingerprint image input by the user for the Nth time and extracts the set area image of the registered fingerprint image input for the Nth time, according to the set area image of the registered fingerprint image input for the Nth time , The set area image of the registered fingerprint image input for the first to N-1 times to determine whether the registered fingerprint image and the registered fingerprint image input for the first to N-1 times belong to the same finger, and if they belong to the same finger , the registered fingerprint image input for the Nth time is added to the candidate set of registered fingerprint images, which avoids the problem of multiple fingers registering the same fingerprint, eliminates security risks, and improves user experience.
为了实现上述实施例，本发明还提出一种移动终端，该移动终端包括上一实施例的指纹注册装置。In order to realize the above-mentioned embodiment, the present invention also proposes a mobile terminal, which includes the fingerprint registration device of the previous embodiment.
为了实现上述实施例，本发明还提出一种移动终端，包括：外壳，屏幕，处理器和电路板；屏幕安置在外壳上，电路板安置在外壳围成的空间内部，处理器设置在电路板上；处理器用于处理数据，具体用于：In order to realize above-mentioned embodiment, the present invention also proposes a kind of mobile terminal, comprises: shell, screen, processor and circuit board; on; the processor is used to process data, specifically for:
S1’、接收用户第N次输入的注册指纹图像并提取第N次输入的注册指纹图像的设定区域图像。S1'. Receive the registered fingerprint image input by the user for the Nth time and extract the set area image of the registered fingerprint image input for the Nth time.
具体地，可接收用户第N次输入的注册指纹图像，然后提取对应的注册指纹图像的设定区域图像。其中，N为正整数，例如第5次等。其中，设定区域图像可以是10*10像素的正方形区域，也可以是半径是10像素的圆形区域，可根据实际需求进行设定。Specifically, the registered fingerprint image input by the user for the Nth time may be received, and then the corresponding set area image of the registered fingerprint image may be extracted. Wherein, N is a positive integer, such as the fifth order. Wherein, the set area image may be a square area of 10*10 pixels, or a circular area with a radius of 10 pixels, which can be set according to actual needs.
S2’、根据第N次输入的注册指纹图像的设定区域图像、第一次至第N-1次输入的注册指纹图像的设定区域图像判断注册指纹图像与第一至第N-1次输入的注册指纹图像是否属于同一个手指。S2', according to the set area image of the registered fingerprint image input for the Nth time, and the set area images of the registered fingerprint image input for the first to N-1 Whether the input registered fingerprint images belong to the same finger.
具体地，可将第N次输入的注册指纹图像的设定区域图像与第一次至第N-1次输入的注册指纹图像的设定区域图像进行匹配，从而生成第一至第N-1个相似度值。如果第一至第N-1个相似度值均大于预设阈值，则可判断注册指纹图像与第一至第N-1次输入的注册指纹图像属于同一个手指。如果第一至第N-1个相似度值中的任一个小于预设阈值，则可判断注册指纹图像与第一至第N-1次输入的注册指纹图像不属于同一个手指。举例来说，假设N等于5，也就是说，可以将第五次输入的注册指纹图像的设定区域图像分别与前四次输入的注册指纹图像的设定区域图像分别进行匹配，生成四个相似度值，即第一相似度值、第二相似度值、第三相似度值和第四相似度值。假设第一相似度值91分、第二相似度值93分、第三相似度值94分和第四相似度值92分，上述四个相似度值均大于预设阈值90分，则可确定第五次输入的注册指纹图像与前四次输入的注册指纹图像属于同一个手指。假设第一相似度值80分、第二相似度值93分、第三相似度值94分和第四相似度值92分，第一相似度值小于预设阈值90分，则可确定第五次输入的注册指纹图像与前四次输入的注册指纹图像不属于同一个手指。Specifically, the set area images of the registered fingerprint images input for the Nth time can be matched with the set area images of the registered fingerprint images input for the first to N-1 times, thereby generating the first to N-1 a similarity value. If the first to N-1th similarity values are all greater than the preset threshold, it can be determined that the registered fingerprint image and the first to N-1th input registered fingerprint images belong to the same finger. If any one of the first to N-1th similarity values is smaller than the preset threshold, it can be determined that the registered fingerprint image and the first to N-1th input registered fingerprint images do not belong to the same finger. For example, assuming that N is equal to 5, that is to say, the set area images of the registered fingerprint images input for the fifth time can be respectively matched with the set area images of the registered fingerprint images input for the first four times to generate four The similarity values are the first similarity value, the second similarity value, the third similarity value and the fourth similarity value. Assuming that the first similarity value is 91 points, the second similarity value is 93 points, the third similarity value is 94 points, and the fourth similarity value is 92 points, and the above four similarity values are all greater than the preset threshold value of 90 points, then it can be determined The registered fingerprint image entered for the fifth time belongs to the same finger as the registered fingerprint image entered for the first four times. Assuming that the first similarity value is 80 points, the second similarity value is 93 points, the third similarity value is 94 points, and the fourth similarity value is 92 points, and the first similarity value is less than the preset threshold value of 90 points, then the fifth The registered fingerprint image input for the second time does not belong to the same finger as the registered fingerprint image input for the previous four times.
在每次接收到用户输入的注册指纹图像后，可提取对应的注册指纹图像的设定区域图像，并进行保存，以用于对用户下一次输入的注册指纹图像的设定区域图像进行匹配。应当理解的是，每次提取的注册指纹图像的设定区域图像的位置应保持一致，例如第一次提取的是注册指纹图像的右下角的10x10的区域，则第二次至第N次提取的也应是同样位置的10x10的区域。After receiving the registered fingerprint image input by the user each time, the set area image of the corresponding registered fingerprint image can be extracted and saved for matching the set area image of the registered fingerprint image input by the user next time. It should be understood that the position of the set area image of the registered fingerprint image extracted each time should be consistent, for example, the first extraction is the 10x10 area in the lower right corner of the registered fingerprint image, then the second to the Nth extraction should also be a 10x10 area at the same location.
S3’、如果属于同一个手指，则将第N次输入的注册指纹图像添加至注册指纹图像候选集合。S3', if they belong to the same finger, add the registered fingerprint image input for the Nth time to the candidate set of registered fingerprint images.
继续上一步骤的例子进行说明，当第五次输入的注册指纹图像与前四次输入的注册指纹图像属于同一个手指时，可将第五次输入的注册指纹图像添加至注册指纹图像候选集合，然后可根据前五次输入的注册指纹图像生成对应的指纹模板。Continuing the example of the previous step for illustration, when the registered fingerprint image input for the fifth time and the registered fingerprint images input for the first four times belong to the same finger, the registered fingerprint image input for the fifth time can be added to the candidate set of registered fingerprint images , and then the corresponding fingerprint template can be generated according to the registered fingerprint images input for the first five times.
S4’、如果不属于同一个手指，则将第N次输入的注册指纹图像丢弃，继续接收用户输入的注册指纹图像。S4', if it does not belong to the same finger, discard the registered fingerprint image input for the Nth time, and continue to receive the registered fingerprint image input by the user.
具体地，如果不属于同一个手指，则可将第五次输入的注册指纹图像丢弃，然后继续接收用户重新输入的注册指纹图像，再进行后续判断的步骤。Specifically, if they do not belong to the same finger, the registered fingerprint image input for the fifth time can be discarded, and then continue to receive the registered fingerprint image re-input by the user, and then proceed to the subsequent judgment steps.
此外，还可记录不属于同一个手指的次数。当次数大于第一预设阈值如三次时，可向用户发送请输入同一个手指的指纹图像的提示信息，例如“检测到另一手指进行注册，请输入同一个手指”等。In addition, the number of times that do not belong to the same finger can be recorded. When the number of times is greater than the first preset threshold such as three times, a prompt message to input the fingerprint image of the same finger may be sent to the user, for example, "Another finger is detected for registration, please input the same finger" and so on.
当次数大于第二预设阈值如10次时，可向用户发送是否删除已存注册指纹图像的提示。如果接收到用户确实删除的指示，则可将第一次至第N-1次输入的注册指纹图像删除。举例来说，用户在第五次输入的注册指纹图像时，连续10次被判断为输入的注册指纹图像与前四次输入的注册指纹图像不属于同一个手指，则可向用户提示“您的指纹录入错误超过10次，请问是否删除之前录入的数据”，如果用户选择“是”，则可删除前四次输入的注册指纹图像。When the number of times is greater than the second preset threshold, such as 10 times, a prompt may be sent to the user whether to delete the stored registered fingerprint image. If an instruction to confirm deletion is received from the user, the registered fingerprint images input for the first to N-1th times may be deleted. For example, when the user enters the registered fingerprint image for the fifth time, if it is judged that the registered fingerprint image entered does not belong to the same finger as the registered fingerprint image entered for the previous four times in a row, the user can be prompted "Your Fingerprints have been entered incorrectly more than 10 times. Would you like to delete the previously entered data?" If the user selects "Yes", the registered fingerprint images entered for the previous four times can be deleted.
本发明实施例的移动终端，通过接收用户第N次输入的注册指纹图像并提取第N次输入的注册指纹图像的设定区域图像，根据第N次输入的注册指纹图像的设定区域图像、第一次至第N-1次输入的注册指纹图像的设定区域图像判断注册指纹图像与第一至第N-1次输入的注册指纹图像是否属于同一个手指，以及如果属于同一个手指，则将第N次输入的注册指纹图像添加至注册指纹图像候选集合，避免了多个手指注册同一指纹的问题，消除安全隐患，提升用户使用体验。In the mobile terminal of the embodiment of the present invention, by receiving the registered fingerprint image input by the user for the Nth time and extracting the set area image of the registered fingerprint image input for the Nth time, according to the set area image of the registered fingerprint image input for the Nth time, Determine whether the registered fingerprint image and the registered fingerprint image input for the first to N-1 times belong to the same finger, and if they belong to the same finger, The registered fingerprint image input for the Nth time is added to the candidate set of registered fingerprint images, which avoids the problem of multiple fingers registering the same fingerprint, eliminates potential safety hazards, and improves user experience.
在本发明的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”、“顺时针”、“逆时针”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial", The orientation or positional relationship indicated by "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the referred device or element Must be in a particular orientation, be constructed in a particular orientation, and operate in a particular orientation, and therefore should not be construed as limiting the invention.
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。在本发明的描述中，“多个”的含义是至少两个，例如两个，三个等，除非另有明确具体的限定。In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.
在本发明中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系，除非另有明确的限定。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。In the present invention, unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrated; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components or the interaction relationship between two components, unless otherwise specified limit. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外，在不相互矛盾的情况下，本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。In the description of this specification, descriptions referring to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean that specific features described in connection with the embodiment or example , structure, material or characteristic is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples and features of different embodiments or examples described in this specification without conflicting with each other.
尽管上面已经示出和描述了本发明的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本发明的限制，本领域的普通技术人员在本发明的范围内可以对上述实施例进行变化、修改、替换和变型。Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and those skilled in the art can make the above-mentioned The embodiments are subject to changes, modifications, substitutions and variations.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510784348.9ACN105389564B (en) | 2015-11-13 | 2015-11-13 | Fingerprint registration method and device and mobile terminal |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510784348.9ACN105389564B (en) | 2015-11-13 | 2015-11-13 | Fingerprint registration method and device and mobile terminal |
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| CN105389564Atrue CN105389564A (en) | 2016-03-09 |
| CN105389564B CN105389564B (en) | 2019-05-10 |
| Application Number | Title | Priority Date | Filing Date |
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| CN201510784348.9AActiveCN105389564B (en) | 2015-11-13 | 2015-11-13 | Fingerprint registration method and device and mobile terminal |
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