Summary of the invention
The embodiment of the invention provides a kind of personal identification method and device, user can be prevented by forging palm to lead toCross identification.
First aspect present invention provides a kind of personal identification method characterized by comprising
Laser transmitter projects laser is to target palm；
Image collecting device obtains the target palm according to the light on the laser reflection to described image acquisition deviceSpot, and determine whether the target palm is to forge palm according to the hot spot；
If the target palm is not to forge palm, the biological characteristic of the target palm is obtained, and according to the lifeObject feature carries out identification.
It is described to determine whether the target palm is to forge palm according to the hot spot in a kind of possible design, packetIt includes:
Described image acquisition device obtains the target palm according on the laser reflection to described image acquisition deviceHot spot, and obtain the spot size of the hot spot；
If the spot size is within a preset range, described image acquisition device determines that the target palm is not forgeryPalm；
If the spot size, not in the preset range, described image acquisition device determines that the target palm isForge palm.
In a kind of possible design, the method also includes:
Range sensor gets the range information of the target palm；
If the range information is greater than first threshold, indicator light issues the first standby signal；
If the range information is less than or equal to first threshold, indicator light issues the second standby signal.
In a kind of possible design, if the target palm is not to forge palm, the life of the target palm is obtainedObject feature, comprising:
If the target palm is not to forge palm, the laser transmitter projects laser to target face；
Described image acquisition device obtains the target face according on the laser reflection to described image acquisition deviceHot spot, and according to the hot spot determine the target face whether be forge face；
If the target face is not to forge face, the biological characteristic of the target palm is obtained.
In a kind of possible design, the method also includes:
If the target palm is to forge palm, indicator light issues third standby signal.
Second aspect of the present invention provides a kind of identity recognition device, comprising:
Laser emitter, for emitting laser to target palm；
Image collecting device, for obtaining the target palm according to the laser reflection to described image acquisition deviceHot spot, and according to the hot spot determine the target palm whether be forge palm；
Processing module obtains the biological characteristic of the target palm if not being to forge palm for the target palm,And identification is carried out according to the biological characteristic.
In a kind of possible design, described image acquisition device is specifically used for:
The target palm is obtained according to the hot spot on the laser reflection to described image acquisition device, and described in acquisitionThe spot size of hot spot；
If the spot size is within a preset range, it is determined that the target palm is not to forge palm；
If the spot size is not in the preset range, it is determined that the target palm is to forge palm.
In a kind of possible design, described device further include:
Range sensor, for getting the range information of the target palm；
Indicator light issues the first standby signal if being greater than first threshold for the range information；
If the range information is less than or equal to first threshold, the second standby signal is issued.
In a kind of possible design, the laser emitter is also used to:
If the target palm is not to forge palm, emit laser to target face；
Described image acquisition device, is also used to:
The target face is obtained according to the hot spot on the laser reflection to described image acquisition device, and according to describedHot spot determines whether the target face is to forge face；
If the target face is not to forge face, the biological characteristic of the target palm is obtained.
In a kind of possible design, the indicator light is also used to:
If the target palm is to forge palm, third standby signal is issued.
Third aspect present invention provides a kind of storage medium for storing one or more programs, comprising:
One or more programs include instruction, and described instruction is known when the vena metacarpea for being included one or more processorsWhen other device executes, make the personal identification method of the vena metacarpea identification device execution as described in relation to the first aspect.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that
In technical solution provided by the embodiments of the present application, laser transmitter projects laser to target palm；Image collectorIt sets and obtains the target palm according to the hot spot on the laser reflection to described image acquisition device, and is true according to the hot spotWhether the fixed target palm is to forge palm；If the target palm is not to forge palm, the target palm is obtainedBiological characteristic, and identification is carried out according to the biological characteristic.Before carrying out identification according to the biological characteristic, lead toCross obtain palmar laser facula, come determine palm whether be forge, only determine palm be not forge palm, just intoThe identification of row user identity, prevent user is from passing through identification by forging palm.
Specific embodiment
The embodiment of the invention provides a kind of personal identification method, according to the biological characteristic carry out identification itBefore, by obtaining the laser facula of palmar, to determine whether palm is to forge, only determining palm not is to forge handThe palm just carries out the identification of user identity, prevent user is from passing through identification by forging palm.
In detailed description below, multiple specific details are enumerated to provide for relevant teachings as exampleComprehensive understanding.However, for those skilled in the art it is apparent that this introduction may not need these details or companyIt is practiced with supplementary features.In other examples, in relatively high level without with having details to well known method, process,System, component and/or circuit are described, to avoid causing unnecessary blurring to the aspect of this introduction.
It should be mentioned that some exemplary embodiments are described as before exemplary embodiment is discussed in greater detailThe processing or method described as flow chart.Although operations are described as the processing of sequence by flow chart, therein to be permittedMultioperation can be implemented concurrently, concomitantly or simultaneously.In addition, the sequence of operations can be rearranged.When itThe processing can be terminated when operation completion, it is also possible to have the additional step being not included in attached drawing.The processingIt can correspond to method, function, regulation, subroutine, subprogram etc..
Method (some of them are illustrated by process) discussed hereafter can be by hardware, software, firmware, centrePart, microcode, hardware description language or any combination thereof are implemented.Implement when with software, firmware, middleware or microcodeWhen, program code or code segment to implement necessary task can be stored in machine or computer-readable medium and (for example depositStorage media) in.Necessary task can be implemented in (one or more) processor.
Specific structure and function details disclosed herein are only representative, and are for describing showing for the applicationThe purpose of example property embodiment.But the application can be implemented by many alternative forms, and be not interpreted asIt is limited only by the embodiments set forth herein.
Although it should be understood that may have been used term " first ", " second " etc. herein to describe each unit,But these units should not be limited by these terms.The use of these items is only for by a unit and another unitIt distinguishes.For example, without departing substantially from the range of exemplary embodiment, it is single that first unit can be referred to as secondMember, and similarly second unit can be referred to as first unit.Term "and/or" used herein above include one of them orAny and all combinations of more listed associated items.
Term used herein above is not intended to limit exemplary embodiment just for the sake of description specific embodiment.UnlessContext clearly refers else, otherwise singular used herein above "one", " one " also attempt to include plural number.Also answerWhen understanding, term " includes " and/or "comprising" used herein above provide stated feature, integer, step, operation,The presence of unit and/or component, and do not preclude the presence or addition of other one or more features, integer, step, operation, unit,Component and/or combination thereof.
It should further be mentioned that the function action being previously mentioned can be attached according to being different from some replace implementationsThe sequence indicated in figure occurs.For example, related function action is depended on, the two width figures shown in succession actually may be usedSubstantially simultaneously to execute or can execute in a reverse order sometimes.
Fig. 1 is please referred to, Fig. 1 is a kind of personal identification method provided in the embodiment of the present application, comprising:
101, laser transmitter projects laser is to target palm.
In the embodiment of the present application, it is necessary first to laser transmitter projects laser to target palm.
In the embodiment of the present application, laser emitter is the hand forged to determine target palm not before identificationOn, laser transmitter projects laser to target palm can be passed through, wherein in the present embodiment signified " forgery ", can be useThe apery palm, such as silica gel palm etc. that family is made by other materials.
" target palm " in the embodiment of the present application can refer to the palm before being placed into identity recognition device, in a kind of realityIt applies in example, identity recognition device can control laser transmitter projects laser to target palm after detecting target palm.
102, image collecting device obtains the target palm according on the laser reflection to described image acquisition deviceHot spot, and according to the hot spot determine the target palm whether be forge palm.
In the embodiment of the present application, identity recognition device further include: image collecting device.Image collecting device can receiveThe laser of target palmar.
Optionally, in a kind of embodiment of the application, the available target palm root of described image acquisition deviceAccording to the hot spot on the laser reflection to described image acquisition device, and obtain the spot size of the hot spot, wherein if describedWithin a preset range, then it is to forge palm that described image acquisition device determines the target palm not to spot size, if the lightSpot size is not in the preset range, then described image acquisition device determines the target palm to forge palm.
In the embodiment of the present application, it is directed to different materials, the hot spot that image collecting device is incident on after laser reflection is bigThe spot size range for corresponding to the palm of people can be stored in advance in image collecting device, and getting for small differenceAfter the corresponding spot size of the hot spot of target palmar, judge the corresponding spot size of the hot spot of target palmar whetherWithin the scope of the spot size prestored, if can determine the target palm not is to forge palm, if it was not then canIt is to forge palm with the determination target palm.
If 103, the target palm is not to forge palm, the biological characteristic of the target palm is obtained, and according to instituteIt states biological characteristic and carries out identification.
In the embodiment of the present application, if the target palm is to forge palm, indicator light can be sent out third prompt letterNumber, wherein indicator light can be LED light, and in the present embodiment, if the target palm is to forge palm, indicator light canWith corresponding standby signal, such as a kind of light of color is issued, to prompt ownership goal palm to there is the case where forging.
In the embodiment of the present application, laser transmitter projects laser to target palm；Image collecting device obtains the targetPalm determines the target palm according to the hot spot on the laser reflection to described image acquisition device, and according to the hot spotIt whether is to forge palm；If the target palm is not to forge palm, the biological characteristic of the target palm is obtained, and according toThe biological characteristic carries out identification.By the above-mentioned means, passing through before carrying out identification according to the biological characteristicThe laser facula of palmar is obtained, to determine whether palm is to forge, only determining palm not is to forge palm, is just carried outThe identification of user identity, prevent user is from passing through identification by forging palm.
Optionally, on the basis of above-mentioned Fig. 1 corresponding one embodiment, identification provided by the embodiments of the present applicationIn first alternative embodiment of method, the method also includes:
Range sensor gets the range information of the target palm；
If the range information is greater than first threshold, indicator light issues the first standby signal；
If the range information is less than or equal to first threshold, indicator light issues the second standby signal.
In the embodiment of the present application, range sensor is also provided on identity recognition device, wherein range sensor canTo be used to obtain the distance between target palm, specifically, range sensor can be optical distance sensor, infrared distanceOne of multiple sensors such as sensor, ultrasonic distance sensor, do not limit here.
In one embodiment, range sensor can pre-save first threshold, wherein if target palm and identity are knownWhen the distance of other device is more than first threshold, identity recognition device cisco unity malfunction, when target palm and identity recognition deviceDistance be no more than (being less than or equal to) first threshold when, identity recognition device can work normally.
In the embodiment of the present application, the available sensor of range sensor is got to be believed at a distance from the target palmBreath, and what be will acquire is compared with the range information of the target palm and threshold value, if target palm and identification fillWhen the distance set is more than first threshold, identity recognition device cisco unity malfunction, when target palm and identity recognition device away fromWhen from being no more than (being less than or equal to) first threshold, identity recognition device be can work normally.
In one embodiment, if range sensor judges that the range information is greater than first threshold, identificationDevice can control indicator light and issue the first standby signal；If range sensor judges that the range information is less than or equal to theOne threshold value, then identity recognition device can control indicator light and issue the second standby signal.In the present embodiment, indicator light can beLED light is distinguished the first standby signal and the second standby signal by the light of the different colours of LED light sending, and then can be mentionedShow whether the palm of user is put in place.
For example, range sensor can be true at this time when palm is placed on apart from identity recognition device remote position by userThe distance between fixed and target palm is more than first threshold, and LED light issues the first standby signal at this time, such as can issue redLight, be equivalent to prompt user's palm placement location too far, user see LED issue feux rouges after, can be by palm apart from closeIdentity recognition device, range sensor can determine that the distance between target palm gradually decreases at this time, when reaching the first thresholdWhen value, LED light issues the second standby signal at this time, such as can issue green light, is equivalent to the placement location of prompt user's palmProperly.
In another embodiment, range sensor can every preset time detect once between target palm away fromFrom information, for example, range sensor is at first at this time when palm is placed on apart from identity recognition device remote position by userBetween point can determine that the distance between target palm is more than first threshold, LED light issues the first standby signal at this time, such as canTo issue feux rouges, be equivalent to prompt user's palm placement location too far, user see LED issue feux rouges after, can be by palmDistance is close to identity recognition device, and range sensor obtains after being spaced preset time and believes at a distance between target palm at this timeBreath, at this point, range sensor can determine that the distance between target palm is less than or equal to first threshold, LED light is sent out at this timeSecond standby signal out, such as green light can be issued, the placement location for being equivalent to prompt user's palm is suitable.
In another embodiment, infrared distance sensor can be set on identity recognition device, specifically, identificationAn infrared emission tube and an infrared receiver tube can be set on device, when the infrared ray that transmitting tube issues is received pipeWhen receiving, show that range sensor gets being closer for the target palm, at this point, identity recognition device can be normalWork, correspondingly, indicator light issues the second standby signal.And when reception pipe does not receive tube-launched infrared ray, tablePrescribed distance sensor gets the distance of the target palm farther out, at this point, identity recognition device cisco unity malfunction, accordingly, indicator light issues the first standby signal.
Secondly, range sensor gets the range information of the target palm in the present embodiment；If the range informationGreater than first threshold, then indicator light issues the first standby signal；If the range information is less than or equal to first threshold, indicateLamp issues the second standby signal.By the above-mentioned means, whether can be closed by the palm position of the instruction prompt user of signal lampIt is suitable, improve the convenience that user uses identity recognition device.
Optionally, on the basis of the corresponding one embodiment of above-mentioned Fig. 1 and first alternative embodiment, the application is realIn second alternative embodiment that the personal identification method of example offer is provided,
If the target palm is not to forge palm, the biological characteristic of the target palm is obtained, comprising:
If the target palm is not to forge palm, the laser transmitter projects laser to target face；
Described image acquisition device obtains the target face according on the laser reflection to described image acquisition deviceHot spot, and according to the hot spot determine the target face whether be forge face；
If the target face is not to forge face, the biological characteristic of the target palm is obtained.
During the application is implemented, image collecting device obtains the target palm and is adopted according to the laser reflection to described imageHot spot on acquisition means, and determine whether the target palm is to forge palm, and judge target palm according to the hot spotAfter not to forge palm, in order to further increase the anti-fake reliability of identity recognition device, it can be sent out by laser emitterLaser is penetrated to target face, described image acquisition device obtains the target face and adopts according to the laser reflection to described imageHot spot on acquisition means, and determine whether the target face is to forge face according to the hot spot.
Specifically, being directed to different materials, the spot size that image collecting device is incident on after laser reflection is different, figureAs the spot size range for corresponding to the face of people can be stored in advance in acquisition device, and getting face reflectionAfter the corresponding spot size of hot spot, judge the corresponding spot size of hot spot of face reflection whether in the spot size range prestoredIt is interior, if can determine the target palm not is to forge palm, if it was not then the target palm can be determinedTo forge palm.
Secondly, if the target palm is not to forge palm, the laser transmitter projects swash in the embodiment of the present applicationLight is to target face；Described image acquisition device obtains the target face and acquires dress according to the laser reflection to described imageThe hot spot set, and determine whether the target face is to forge face according to the hot spot；If the target face is not pseudo-Face is made, then obtains the biological characteristic of the target palm.By the cooperation of laser emitter and image acquisition device, further mentionThe high anti-fake reliability of identity recognition device.
Referring to figure 2., Fig. 2 is a kind of identity recognition device provided in the embodiment of the present application, comprising:
Laser emitter 201, for emitting laser to target palm；
Image collecting device 202 acquires dress according to the laser reflection to described image for obtaining the target palmThe hot spot set, and determine whether the target palm is to forge palm according to the hot spot；
Processing module 203, if not being to forge palm for the target palm, the biology for obtaining the target palm is specialSign, and identification is carried out according to the biological characteristic.
In the present embodiment, laser emitter 201, for emitting laser to target palm；Image collecting device 202, is used forThe target palm is obtained according to the hot spot on the laser reflection to described image acquisition device, and is determined according to the hot spotWhether the target palm is to forge palm；Processing module 203 obtains if not being to forge palm for the target palmThe biological characteristic of the target palm, and identification is carried out according to the biological characteristic.By the above-mentioned means, according toBefore biological characteristic carries out identification, by obtaining the laser facula of palmar, to determine whether palm is to forge, onlyDetermining palm is not to forge palm, just carries out the identification of user identity, prevent user is from passing through body by forging palmPart identification.
Optionally, described image acquisition device 202, is specifically used for:
The target palm is obtained according to the hot spot on the laser reflection to described image acquisition device, and described in acquisitionThe spot size of hot spot；
If the spot size is within a preset range, it is determined that the target palm is not to forge palm；
If the spot size is not in the preset range, it is determined that the target palm is to forge palm.
Optionally, described device further include:
Range sensor 204, for getting the range information of the target palm；
Indicator light 205 issues the first standby signal if being greater than first threshold for the range information；
If the range information is less than or equal to first threshold, the second standby signal is issued.
Optionally, the laser emitter 201, is also used to:
If the target palm is not to forge palm, emit laser to target face；
Described image acquisition device 202, is also used to:
The target face is obtained according to the hot spot on the laser reflection to described image acquisition device, and according to describedHot spot determines whether the target face is to forge face；
If the target face is not to forge face, the biological characteristic of the target palm is obtained.
Optionally, the indicator light 205, is also used to:
If the target palm is to forge palm, third standby signal is issued.
In technical solution provided by the embodiments of the present application, laser emitter, for emitting laser to target palm；Image is adoptedAcquisition means, for obtaining the target palm according to the hot spot on the laser reflection to described image acquisition device, and according toThe hot spot determines whether the target palm is to forge palm；Processing module, if not being to forge hand for the target palmThe palm then obtains the biological characteristic of the target palm, and carries out identification according to the biological characteristic.By the above-mentioned means,Before carrying out identification according to the biological characteristic, by obtaining the laser facula of palmar, whether to determine palmIt is to forge, only determining palm not is to forge palm, the identification of user identity is just carried out, prevent user is from by forging handThe palm is to pass through identification.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided by the present invention, it should be understood that disclosed system, device and method can be withIt realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unitIt divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or componentsIt can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown orThe mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unitIt closes or communicates to connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unitThe component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multipleIn network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unitIt is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated listMember both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent productWhen, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantiallyThe all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other wordsIt embodies, which is stored in a storage medium, including some instructions are used so that a computerEquipment (can be personal computer, server or the network equipment etc.) executes the complete of each embodiment the method for the present inventionPortion or part steps.And storage medium above-mentioned include: USB flash disk, mobile hard disk, read-only memory (read-only memory,ROM), random access memory (random access memory, RAM), magnetic or disk etc. are various can store programThe medium of code.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although referring to beforeStating embodiment, invention is explained in detail, those skilled in the art should understand that: it still can be to precedingTechnical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And theseIt modifies or replaces, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.