CN110188676A - Vein collection method and Related product - Google Patents
Vein collection method and Related product Download PDFInfo
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- CN110188676A CN110188676A CN201910458869.3A CN201910458869A CN110188676A CN 110188676 A CN110188676 A CN 110188676A CN 201910458869 A CN201910458869 A CN 201910458869A CN 110188676 A CN110188676 A CN 110188676A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/14—Vascular patterns
Abstract
The embodiment of the present application provides a kind of vein collection method and Related product, applied to electronic equipment, the electronic equipment includes hand vein recognition mould group, it include infrared lamp in the hand vein recognition mould group, method includes: by hand vein recognition mould group, it controls infrared lamp and venous collection is carried out to target object according to preset wavelength, obtain the first vein image, position identification is carried out to the first vein image, obtain targeted vein position corresponding to the first vein image, according to the mapping relations between preset intravenous regional and the wavelength of infrared lamp, determine target wavelength corresponding to targeted vein position, pass through hand vein recognition mould group, it controls infrared lamp and venous collection is carried out to target object with target wavelength, obtain the second vein image, so, venous collection can be carried out using the infrared light of different wave length for the different positions of target object, it is improved with realizing The efficiency of venous collection.
Description
Technical field
This application involves electronic technology fields, and in particular to a kind of vein collection method and Related product.
Background technique
Hand vein recognition, is one kind of bio-identification, and a kind of mode of vein recognition system is by the acquirement of hand vein recognition instrument
People's vein distribution map extracts characteristic value from vein distribution map according to dedicated alignment algorithm, and another way is taken the photograph by infrared C CD
As the image of head acquisition finger, palm, hand back vein in computer systems by the digital picture storage of vein realizes feature
Value storage.Currently, being typically only capable to one acquisition when carrying out the acquisition of vein image, but it will receive the influence of external environment,
And for infrared light, its penetration capacity of different wavelength is different, therefore, will cause the efficiency of acquisition vein image not
It is high.
Summary of the invention
The embodiment of the present application provides a kind of vein collection method and Related product, can be improved the efficiency of venous collection.
In a first aspect, the embodiment of the present application provides a kind of vein collection method, it is applied to electronic equipment, the electronic equipment
It include infrared lamp in the hand vein recognition mould group including hand vein recognition mould group, which comprises
By the hand vein recognition mould group, controls the infrared lamp and target object progress vein is adopted according to preset wavelength
Collection, obtains the first vein image；
Position identification is carried out to first vein image, obtains targeted vein portion corresponding to first vein image
Position；
According to the mapping relations between preset intravenous regional and the wavelength of the infrared lamp, the targeted vein portion is determined
Target wavelength corresponding to position；
By the hand vein recognition mould group, it is quiet to target object progress with the target wavelength to control the infrared lamp
Arteries and veins acquisition, obtains the second vein image.
Second aspect, the embodiment of the present application provide a kind of venous collection device, are applied to electronic equipment, and the electronics is set
Standby includes hand vein recognition mould group, includes infrared lamp in the hand vein recognition mould group, described device includes:
Control unit, for controlling the infrared lamp according to preset wavelength to target pair by the hand vein recognition mould group
As carrying out venous collection, the first vein image is obtained；
It is right to obtain the first vein image institute for carrying out position identification to first vein image for recognition unit
The targeted vein position answered；
Determination unit, for determining according to the mapping relations between preset intravenous regional and the wavelength of the infrared lamp
Target wavelength corresponding to the targeted vein position；
Described control unit is also used to control the infrared lamp by the hand vein recognition mould group with the target wavelength
Venous collection is carried out to the target object, obtains the second vein image.
The third aspect, the embodiment of the present application provide a kind of electronic equipment, including processor, memory, communication interface and quiet
Arteries and veins identifies mould group, and one or more programs, wherein said one or multiple programs are stored in above-mentioned memory, and
And be configured to be executed by above-mentioned processor, above procedure is included the steps that for executing the finger in the embodiment of the present application first aspect
It enables.
Fourth aspect, the embodiment of the present application provide a kind of computer readable storage medium, wherein above-mentioned computer-readable
Storage medium storage is used for the computer program of electronic data interchange, wherein above-mentioned computer program executes computer such as
Step some or all of described in the embodiment of the present application first aspect.
5th aspect, the embodiment of the present application provide a kind of computer program product, wherein above-mentioned computer program product
Non-transient computer readable storage medium including storing computer program, above-mentioned computer program are operable to make to calculate
Machine executes the step some or all of as described in the embodiment of the present application first aspect.The computer program product can be one
A software installation packet.
As can be seen that vein collection method and Related product described in the embodiment of the present application, are applied to electronic equipment,
Including vein identification device, which includes infrared lamp, which can be controlled red by hand vein recognition mould group
Outer lamp carries out venous collection to target object according to preset wavelength, the first vein image is obtained, to the first vein image carry out portion
Position identification, obtains targeted vein position corresponding to the first vein image, according to the wavelength of preset intravenous regional and infrared lamp
Between mapping relations, determine target wavelength corresponding to targeted vein position, by hand vein recognition mould group, control infrared lamp with
Target wavelength carries out venous collection to target object, obtains the second vein image, in this way, the different portions of target object can be directed to
Position carries out venous collection using the infrared light of different wave length, to realize the efficiency for improving venous collection.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Figure 1A is the structural schematic diagram of a kind of electronic equipment provided by the embodiments of the present application；
Figure 1B is a kind of flow diagram of vein collection method provided by the embodiments of the present application；
Fig. 2 is a kind of flow diagram of vein collection method provided by the embodiments of the present application；
Fig. 3 is the structural schematic diagram of a kind of electronic equipment provided by the embodiments of the present application；
Fig. 4 A is a kind of structural schematic diagram of venous collection device provided by the embodiments of the present application；
Fig. 4 B is a kind of modification structures of venous collection device shown in Fig. 4 A provided by the embodiments of the present application.
Specific embodiment
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only
Some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall in the protection scope of this application.
The description and claims of this application and term " first " in above-mentioned attached drawing, " second " etc. are for distinguishing
Different objects, are not use to describe a particular order.In addition, term " includes " and " having " and their any deformations, it is intended that
It is to cover and non-exclusive includes.Such as the process, method, system, product or equipment for containing a series of steps or units do not have
It is defined in listed step or unit, but optionally further comprising the step of not listing or unit, or optionally also wrap
Include other step or units intrinsic for these process, methods, product or equipment.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
It is contained at least one embodiment of the application.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Electronic equipment involved by the embodiment of the present application may include the various handheld devices with wireless communication function,
Mobile unit, wireless headset calculate equipment or are connected to other processing equipments of radio modem and various forms of
User equipment (user equipment, UE), mobile station (mobile station, MS), terminal device (terminal
Device) etc., electronic equipment for example can be smart phone, tablet computer, Earphone box etc..For convenience of description, mention above
To equipment be referred to as electronic equipment.
Figure 1A is please referred to, Figure 1A is the structural schematic diagram of a kind of electronic equipment provided by the embodiments of the present application, electronic equipment
Including control circuit and input-output circuit, imput output circuit is connected to the control circuit.
Wherein, control circuit may include storage and processing circuit.Storage circuit in the storage and processing circuit can be with
It is memory, such as hard drive memory, nonvolatile memory (such as flash memory or it is used to form the other of solid state drive
Electrically programmable read only memory etc.), volatile memory (such as either statically or dynamically random access memory etc.) etc., the application
Embodiment is with no restriction.Processing circuit in storage and processing circuit can be used for the operating of controlling electronic devices.Processing electricity
Road can microprocessor based on one or more, microcontroller, digital signal processor, baseband processor, power management unit,
Audio codec chip, specific integrated circuit, display-driver Ics etc. are realized.
Storage and processing circuit can be used for running the software in electronic equipment, such as play incoming call prompting jingle bell application journey
Sequence, play short message prompt jingle bell application program, play alarm clock prompting jingle bell application program, play media file application program,
Voice over internet protocol (voice over internet protocol, VOIP) call application program, operating system function
Energy is equal.These softwares can be used for executing some control operations, for example, playing incoming call prompting jingle bell, playing short message prompt sound
Other functions etc. in bell, broadcasting alarm clock prompting jingle bell, broadcasting media file, progress voice telephone calls and electronic equipment,
The embodiment of the present application is with no restriction.
Wherein, input-output circuit can be used for that electronic equipment is made to realize outputting and inputting for data, i.e. permission electronic equipment
From outer equipment receiving data and electronic equipment is allowed to export data to external equipment from electronic equipment.
Input-output circuit may further include sensor.Sensor may include hand vein recognition mould group, can also wrap
Ambient light sensor is included, the infrared proximity transducer based on light and capacitor, ultrasonic sensor, touch sensor is (for example, be based on
Light touch sensor and/or capacitive touch sensors, wherein touch sensor can be a part of touching display screen,
Can be used as a touch sensor arrangement independently to use), acceleration transducer, gravity sensor and other sensors etc..It is defeated
Enter-output circuit can further include audio component, audio component can be used for providing for electronic equipment audio input and
Output function.Audio component can also include tone generator and other components for being used to generate and detect sound.
Wherein, hand vein recognition mould group can be integrally disposed below display screen, alternatively, hand vein recognition mould group may also be disposed on electricity
The sub- apparatus casing back side.Specifically, hand vein recognition module may include infrared lamp and vein image acquisition module, and infrared lamp can be sent out
Penetrate infrared light, when the skin of Infrared irradiation to human vein, infrared light can pass through skin, and vein can generate reflection, thus shape
At veinprint image, thus, vein image can be acquired by vein image acquisition module.
Input-output circuit can also include one or more display screens.Display screen may include liquid crystal display, organic
Light emitting diode (LED) display screen, electric ink display screen, plasma panel, using a kind of in the display screen of other display technologies or
Several combination of person.Display screen may include touch sensor array (that is, display screen can be touching display screen).Touch sensing
Device can be the capacitance touch sensing formed by transparent touch sensor electrode (such as tin indium oxide (ITO) electrode) array
Device, or can be the touch sensor formed using other touching techniques, such as sound wave touch-control, pressure sensible touch, resistive touch,
Optical touch etc., the embodiment of the present application is with no restriction.
Input-output circuit, which can further include telecommunication circuit, can be used for providing for electronic equipment and external equipment
The ability of communication.Telecommunication circuit may include analog- and digital- input-output interface circuit, and be based on radiofrequency signal and/or light
The radio communication circuit of signal.Radio communication circuit in telecommunication circuit may include radio-frequency transceiver circuitry, power amplifier
Circuit, low-noise amplifier, switch, filter and antenna.For example, the radio communication circuit in telecommunication circuit may include
For supported by emitting and receiving near-field coupling electromagnetic signal near-field communication (near field communication,
NFC circuit).For example, telecommunication circuit may include near-field communication aerial and near-field communication transceiver.Telecommunication circuit can also wrap
Include cellular telephone transceiver and antenna, wireless lan transceiver circuit and antenna etc..
Input-output circuit can further include other input-output units.Input-output unit may include
Button, control stick, click wheel, scroll wheel, touch tablet, keypad, keyboard, camera, light emitting diode and other state instructions
Device etc..
Wherein, electronic equipment can further include battery (not shown), and battery provides electric energy for electron equipment.
It describes in detail below to the embodiment of the present application.
Figure 1B is please referred to, Figure 1B is a kind of flow diagram of vein collection method provided by the embodiments of the present application, application
The electronic equipment described in above-mentioned Figure 1A, the electronic equipment include hand vein recognition mould group, are wrapped in the hand vein recognition mould group
Infrared lamp is included, which may include following steps:
101, by the hand vein recognition mould group, the infrared lamp is controlled according to preset wavelength, vein is carried out to target object
Acquisition, obtains the first vein image.
Wherein, above-mentioned preset wavelength can be system default or user's self-setting, may include that vein is known in electronic equipment
Other mould group, above-mentioned target object can be any user using the electronic equipment, may include infrared in above-mentioned hand vein recognition mould group
Lamp, the infrared lamp can emit the infrared light of different wave length, in the specific implementation, electronic equipment can control in the hand vein recognition mould group
Infrared lamp acquires the vein image of target object with preset wavelength, obtains the first vein image, which can wrap
It includes following at least one: referring to vein image, palm vein image, hand back vein image, jugular vein image, wrist vein image etc.
Deng being not limited thereto.
102, position identification is carried out to first vein image, it is quiet obtains target corresponding to first vein image
Arteries and veins position.
Wherein, since the first vein image acquired above by hand vein recognition mould group may include target object at least
One region, above-mentioned position may include following at least one: finger, palm, the back of the hand, neck etc. do not limit herein
It is fixed, therefore, the position in the first vein image can be identified, in the specific implementation, electronic equipment can be to above-mentioned first vein
Image carries out position identification, obtains targeted vein position corresponding to the first vein image.
Optionally, above-mentioned steps 102 carry out position identification to first vein image, obtain the first vein figure
As corresponding targeted vein position, it may include following steps:
A1, image segmentation is carried out to first vein image, obtains the first venosomes image；
A2, contours extract is carried out to the first venosomes image, obtains vein contour images；
A3, feature point extraction is carried out to the vein contour images, obtains fisrt feature point set；
A4, second feature point set corresponding to default vein contour mould i is obtained, the default vein contour mould i is
The corresponding profile of any default vein template in default vein template set；
A5, the fisrt feature point set is matched with the second feature point set, obtains matching value；
If A6, the matching value are more than the first preset threshold, it is determined that target corresponding to first vein image is quiet
Arteries and veins position is intravenous regional corresponding to the default vein contour mould i.
Wherein, vein template set can be preset in electronic equipment, can store multiple intravenous regionals in the default vein template set
Corresponding default vein template, each default vein template can correspond to a default vein contour mould, and above-mentioned first is pre-
If threshold value can be that system default or user's self-setting obtain in the specific implementation, image segmentation can be carried out to the first vein image
To the first venosomes image, in this way, can reject more sharp in unnecessary noise and the image in first vein image
Iconic element, keep whole image more uniform, with retain only include vein the first venosomes image, for example, if first
Vein image is hand back vein image, then may include crosspoint, endpoint, length of hand back vein etc. in the first venosomes image
Region, the method for above-mentioned image segmentation may include following at least one: gray level threshold segmentation, edge segmentation, region segmentation etc.,
It is not limited thereto；After obtaining the first venosomes image, contours extract can be carried out to above-mentioned first venosomes image,
Vein contour images are obtained, include the profile of vein in the vein contour images, the method for above-mentioned contours extract may include following
At least one: Marr-Hildreth algorithm, Sobel algorithm, Canny algorithm etc. are not limited thereto.
Further, electronic equipment can carry out feature point extraction to above-mentioned vein contour images, obtain fisrt feature point set,
Then, second feature point set corresponding to default vein contour mould i can be obtained, above-mentioned default vein contour mould i is default
The corresponding profile of any vein template in vein template set, finally, by above-mentioned fisrt feature point set and the second feature point
Collection is matched, and matching value is obtained, and the matching value is bigger, indicates bigger with the similitude of default vein contour mould, at this
When with value more than the first preset threshold, then it can determine that targeted vein position corresponding to above-mentioned first vein image is described default
Intravenous regional corresponding to vein contour mould i.
Wherein, features described above point extracting method may include following at least one: Principal Component Analysis Algorithm, linear decision analysis
Algorithm, popular learning algorithm, core maximum margin criterion algorithm, local binary patterns etc., are not limited thereto.
Optionally, above-mentioned steps A2 obtains second feature point set corresponding to default vein contour mould i, it may include with
Lower step:
A21, current environment parameter is obtained；
A22, based on the mapping relations between preset environmental parameter and vein contour mould, determine the current environment ginseng
The corresponding default vein contour mould i of number；
A23, feature extraction is carried out to the default vein contour mould i, it is right obtains the default vein contour mould institute
The second feature point set answered.
Wherein, electronic equipment can by environmental sensor obtain target environment parameter, the target environment parameter may include with
Lower at least one: temperature, humidity, geographical location, magnetic interference intensity etc., it is not limited here；Above-mentioned environmental sensor can
It comprises at least one of the following: temperature sensor, humidity sensor, alignment sensor, magnetic field detection sensor, etc., herein not
It limits；Since under varying environment, the vein state of the different parts of target object may be different, for example, target object is in height
Under warm environment or low temperature environment, the vein in vein image shrinks situation may be different, therefore, in electronic equipment can store pre-
If environmental parameter and vein contour mould between mapping relations, default vein contour mould collection can be prestored in electronic equipment,
The default vein contour mould concentration can store default vein contour mould corresponding to the default vein template of different parts, have
During body is realized, electronic equipment, can be based between preset environmental parameter and vein profile after obtaining target environment parameter
Mapping relations determine default vein contour mould i corresponding to current environment parameter, preset vein contour mould i to this and carry out
Feature extraction obtains second feature point set corresponding to the default vein contour mould.
Wherein, the method for feature extraction can include: linear prediction analysis (LinearPredictionCoefficients,
LPC), linear predictor coefficient (PerceptualLinearPredictive, PLP), Tandem feature and Bottleneck are perceived
Feature, Fbank feature based on wave filter group (Filterbank), linear prediction residue error (LinearPredictiveCe
PstralCoefficient, LPCC), mel-frequency cepstrum coefficient (Mel Frequency Cepstral Coefficent,
MFCC) etc., it is not limited thereto.
103, according to the mapping relations between preset intravenous regional and the wavelength of the infrared lamp, determine that the target is quiet
Target wavelength corresponding to arteries and veins position.
Wherein, due to the wavelength of different infrared lights, its penetration capacity is different, is passing through above-mentioned hand vein recognition mould group pair
When target object carries out venous collection, different intravenous regionals due to the institutional framework of body is different and penetrating for infrared light
It is required that it is also different, for example, palm is since skin layer is thicker, it is higher for the penetration capacity of infrared light requires compared with finger, because
This, can preset the mapping relations between the wavelength for the infrared light that different intravenous regional and infrared lamp are emitted in electronic equipment,
Target wavelength corresponding to above-mentioned targeted vein position can be determined according to the mapping relations, for example, acquisition palm part can be preset
Vein image when, corresponding to infrared light wavelength be 850nm, preset acquisition finger position vein image when, institute
The wavelength of corresponding infrared light is 760nm, and the limited way of specific mapping relations is not limited thereto, adopts in this way, can be improved
The picture quality of the vein image of collection.
104, by the hand vein recognition mould group, control the infrared lamp with the target wavelength to the target object into
Row vein acquisition, obtains the second vein image.
Wherein, the wavelength of the infrared light of infrared lamp can be adjusted to target wavelength by electronic equipment, and be known by above-mentioned vein
Other mould group is carried out venous collection to target object, obtains the second vein image, the second vein image obtained using target wavelength
Compared with above-mentioned first vein image, picture quality is higher, and the collecting efficiency of vein image can be improved.
Optionally, above-mentioned steps 104 control the infrared lamp by the hand vein recognition mould group with the target wavelength
Venous collection is carried out to the target object, obtains the second vein image, it may include following steps:
B1, according to the mapping relations between the preset venous collection parameter and wavelength, determine the target wavelength pair
The targeted vein acquisition parameter answered, the targeted vein acquisition parameter include at least one of the following: infrared lamp brightness, contrast,
Image Acquisition frame per second, infrared luminous intensity, infrared light emission angle, optical filter diameter；
B2, the wavelength of the infrared lamp is adjusted to target wavelength, controls the venous collection mould group with the target wave
The long and targeted vein acquisition parameter carries out venous collection to the target object, obtains second vein image.
Wherein, due to when acquiring vein image, the brightness of infrared lamp, the intensity of infrared lamp, optical filter diameter etc.
Venous collection parameter may generate certain influence to the image quality of image, for example, the brightness when infrared lamp is higher, it may
The exposure that will cause image influences the quality of vein image, in another example, when carrying out venous collection using infrared lamp, it is seen that light
It will affect the generation to vein image, then can filter out visible light using the optical filter of different-diameter, reduce the shadow of visible light
It rings, therefore, electronic equipment can preset the mapping relations between venous collection parameter and wavelength, and above-mentioned venous collection parameter can be use
Family self-setting or system default, venous collection parameter may include at least one of following: infrared lamp brightness, contrast, image
Acquisition frame rate, infrared luminous intensity, infrared light emission angle, optical filter diameter etc., are not limited thereto, in the specific implementation, electric
Sub- equipment can determine targeted vein acquisition parameter corresponding to the target wavelength, and infrared lamp is emitted according to target wavelength
The wavelength of infrared light be adjusted to target wavelength, control venous collection mould group with target wavelength and targeted vein acquisition parameter to mesh
It marks object and carries out venous collection, obtain second vein image and mentioned simultaneously in this way, the quality of venous collection image can be improved
High venous collection efficiency.
In a possible example, after above-mentioned steps 104, it can comprise the further steps of:
C1, image segmentation is carried out to second vein image, obtains the second venosomes image；
C2, feature extraction is carried out to the second venosomes image, obtains third feature point set；
C3, the second venosomes image is divided into multiple regions, the size in each region is identical；
C4, the characteristic point quantity that each region in the multiple region is determined according to the third feature point set, obtain more
A characteristic point quantity；
C5, the characteristic point quantity for being greater than the second preset threshold is chosen from the multiple characteristic point quantity, obtain at least one
A target feature point quantity, and at least one described corresponding region of target feature point quantity is obtained, obtain at least one target
Region；
C6, default vein template corresponding with the venous collection position of second vein image is obtained；
C7, will the corresponding characteristic point at least one target area feature click-through corresponding with the default vein template
Row matching, obtains object matching value；
C8, the object matching value be greater than preset matching threshold value when, confirmation hand vein recognition success.
Wherein, electronic equipment can carry out hand vein recognition to second vein image after acquiring the second vein image,
If hand vein recognition success, the authentication success of above-mentioned target object, above-mentioned second preset threshold, preset matching threshold can be confirmed
Value, default vein template can be system default or user's self-setting.In the specific implementation, figure can be carried out to the second vein image
As segmentation, the second venosomes image is obtained, specific image segmentation mode can refer to above-mentioned associated description, in turn, to the
Two venosomes images carry out feature extraction, obtain third feature point set, the second venosomes image can be divided into multiple
The size in region, each region is identical, and the feature in each region in multiple regions can be determined according to third feature point set
Point quantity, obtains multiple characteristic point quantity, characteristic point quantity reflects picture quality, area image quality to a certain extent
Good, then corresponding characteristic point is more, since user's skin thickness is different, accordingly, it is possible to certain position venous collections are imperfect, because
This, can choose vein clearly region, to be used for hand vein recognition, i.e., choose from multiple characteristic point quantity default greater than second
The characteristic point quantity of threshold value obtains at least one target feature point quantity, and obtains at least one the target feature point quantity pair
The region answered obtains at least one target area.
Further, electronic equipment can be corresponding with default vein template by the corresponding characteristic point at least one target area
Characteristic point matched, obtain at least one matching value, each corresponding characteristic point in target area and default vein template pair
Matched between the characteristic point answered, available matching value, above-mentioned object matching value can be regarded as it is above-mentioned at least one
Mean value with matching values all in value is greater than preset matching threshold value in the object matching value therefore, it is possible to obtain object matching value
When, then electronic equipment can confirm hand vein recognition success, in this way, the authentication of target object can be realized by hand vein recognition.
As can be seen that vein collection method described in the embodiment of the present application, is applied to electronic equipment, the electronic equipment
Including hand vein recognition mould group, this method can by hand vein recognition mould group, control infrared lamp according to preset wavelength to target object into
Row vein acquisition, obtains the first vein image, carries out position identification to the first vein image, obtains corresponding to the first vein image
Targeted vein position determine targeted vein portion according to the mapping relations between preset intravenous regional and the wavelength of infrared lamp
Target wavelength corresponding to position is controlled infrared lamp and is adopted with target wavelength to target object progress vein by hand vein recognition mould group
Collection, obtains the second vein image, in this way, it is quiet that the infrared light of different wave length can be used to carry out for the different positions of target object
Arteries and veins acquisition, to realize the efficiency for improving venous collection.
Consistent with the abovely, Fig. 2 is a kind of flow diagram of vein collection method provided by the embodiments of the present application.Using
In electronic equipment as shown in Figure 1A, the electronic equipment includes hand vein recognition mould group, includes red in the hand vein recognition mould group
Outer lamp, the vein collection method include the following steps:
201, by the hand vein recognition mould group, the infrared lamp is controlled according to preset wavelength, vein is carried out to target object
Acquisition, obtains the first vein image.
202, position identification is carried out to first vein image, it is quiet obtains target corresponding to first vein image
Arteries and veins position.
203, according to the mapping relations between preset intravenous regional and the wavelength of the infrared lamp, determine that the target is quiet
Target wavelength corresponding to arteries and veins position.
204, according to the mapping relations between the preset venous collection parameter and wavelength, the target wavelength pair is determined
The targeted vein acquisition parameter answered.
205, the wavelength of the infrared lamp is adjusted to target wavelength, controls the venous collection mould group with the target wave
The long and targeted vein acquisition parameter carries out venous collection to the target object, obtains second vein image.
Wherein, the specific descriptions of above-mentioned steps 201- step 205 are referred to vein collection method described in Figure 1B
Corresponding description, details are not described herein.
As can be seen that vein collection method, application and electronic equipment described in the embodiment of the present application, the electronic equipment
In include hand vein recognition mould group, include infrared lamp in the hand vein recognition mould group, this method can be controlled red by hand vein recognition mould group
Outer lamp carries out venous collection to target object according to preset wavelength, the first vein image is obtained, to the first vein image carry out portion
Position identification, obtains targeted vein position corresponding to the first vein image, according to the wavelength of preset intravenous regional and infrared lamp
Between mapping relations, target wavelength corresponding to targeted vein position is determined, according to preset venous collection parameter and wavelength
Between mapping relations, determine the corresponding targeted vein acquisition parameter of target wavelength, the wavelength of infrared lamp be adjusted to target wave
It is long, venous collection mould group is controlled with target wavelength and targeted vein acquisition parameter, venous collection is carried out to target object, obtain the
Two vein images are joined in this way, the wavelength corresponding to it can be determined according to targeted vein position further according to preset venous collection
Several mapping relations with wavelength, are adopted so that it is determined that acquiring targeted vein corresponding to second vein image at the targeted vein position
Collect parameter, the efficiency of venous collection can be improved.
Referring to Fig. 3, Fig. 3 is the structural schematic diagram of a kind of electronic equipment provided by the embodiments of the present application, as shown, should
Electronic equipment includes processor, memory, communication interface, hand vein recognition mould group, and one or more programs, wherein above-mentioned
One or more programs are stored in above-mentioned memory, and are configured to be executed by above-mentioned processor, and above procedure includes using
In the instruction for executing following steps:
By the hand vein recognition mould group, controls the infrared lamp and target object progress vein is adopted according to preset wavelength
Collection, obtains the first vein image；
Position identification is carried out to first vein image, obtains targeted vein portion corresponding to first vein image
Position；
According to the mapping relations between preset intravenous regional and the wavelength of the infrared lamp, the targeted vein portion is determined
Target wavelength corresponding to position；
By the hand vein recognition mould group, it is quiet to target object progress with the target wavelength to control the infrared lamp
Arteries and veins acquisition, obtains the second vein image.
As can be seen that electronic equipment described in the embodiment of the present application, which includes hand vein recognition mould group, quiet
Arteries and veins identifies to include infrared lamp in mould group, which can control infrared lamp according to preset wavelength pair by hand vein recognition mould group
Target object carries out venous collection, obtains the first vein image, carries out position identification to the first vein image, obtains the first vein
Targeted vein position corresponding to image is determined according to the mapping relations between preset intravenous regional and the wavelength of infrared lamp
Target wavelength corresponding to targeted vein position controls infrared lamp by hand vein recognition mould group with target wavelength to target object
Venous collection is carried out, the second vein image is obtained, in this way, the red of different wave length can be used for the different positions of target object
Outer light carries out venous collection, to realize the efficiency for improving venous collection.
In a possible embodiment, position identification is carried out to first vein image described, obtains described the
In terms of targeted vein position corresponding to one vein image, above procedure includes the instruction for executing following steps:
Image segmentation is carried out to first vein image, obtains the first venosomes image；
Contours extract is carried out to the first venosomes image, obtains vein contour images；
Feature point extraction is carried out to the vein contour images, obtains fisrt feature point set；
Second feature point set corresponding to default vein contour mould i is obtained, the default vein contour mould i is default
The corresponding profile of any default vein template in vein template set；
The fisrt feature point set is matched with the second feature point set, obtains matching value；
If the matching value is more than the first preset threshold, it is determined that targeted vein portion corresponding to first vein image
Position is intravenous regional corresponding to the default vein contour mould i.
In a possible example, second feature point set side corresponding to default vein contour mould i is obtained described
Face, above procedure further include the instruction for executing following steps:
Obtain current environment parameter；
Based on the mapping relations between preset environmental parameter and vein contour mould, the current environment parameter pair is determined
The default vein contour mould i answered；
Feature extraction is carried out to the default vein contour mould i, is obtained corresponding to the default vein contour mould
Second feature point set.
In a possible embodiment, the infrared lamp is controlled with described by the hand vein recognition mould group described
Target wavelength carries out venous collection to the target object, and in terms of obtaining the second vein image, above procedure further includes for holding
The instruction of row following steps:
According to the mapping relations between the preset venous collection parameter and wavelength, determine that the target wavelength is corresponding
Targeted vein acquisition parameter, the targeted vein acquisition parameter include at least one of the following: infrared lamp brightness, contrast, image
Acquisition frame rate, infrared luminous intensity, infrared light emission angle, optical filter diameter；
The wavelength of the infrared lamp is adjusted to target wavelength, control the venous collection mould group with the target wavelength and
The targeted vein acquisition parameter carries out venous collection to the target object, obtains second vein image.
In a possible example, above procedure includes the instruction for being also used to execute following steps:
Image segmentation is carried out to second vein image, obtains the second venosomes image；
Feature extraction is carried out to the second venosomes image, obtains third feature point set；
The second venosomes image is divided into multiple regions, the size in each region is identical；
The characteristic point quantity that each region in the multiple region is determined according to the third feature point set, obtains multiple spies
Sign point quantity；
The characteristic point quantity for being greater than the second preset threshold is chosen from the multiple characteristic point quantity, obtains at least one mesh
Characteristic point quantity is marked, and obtains at least one described corresponding region of target feature point quantity, obtains at least one target area；
Obtain default vein template corresponding with the venous collection position of second vein image；
It will the corresponding characteristic point at least one target area characteristic point progress corresponding with the default vein template
Matching, obtains object matching value；
When the object matching value is greater than preset matching threshold value, confirmation hand vein recognition success.
It is above-mentioned that mainly the scheme of the embodiment of the present application is described from the angle of method side implementation procedure.It is understood that
, in order to realize the above functions, it comprises execute the corresponding hardware configuration of each function and/or software mould for electronic equipment
Block.Those skilled in the art should be readily appreciated that, in conjunction with each exemplary unit of embodiment description presented herein
And algorithm steps, the application can be realized with the combining form of hardware or hardware and computer software.Some function actually with
Hardware or computer software drive the mode of hardware to execute, the specific application and design constraint item depending on technical solution
Part.Professional technician can specifically realize described function to each using distinct methods, but this reality
Now it is not considered that exceeding scope of the present application.
The embodiment of the present application can carry out the division of functional unit according to above method example to electronic equipment, for example, can
With each functional unit of each function division of correspondence, two or more functions can also be integrated in a processing unit
In.Above-mentioned integrated unit both can take the form of hardware realization, can also realize in the form of software functional units.It needs
It is noted that be schematical, only a kind of logical function partition to the division of unit in the embodiment of the present application, it is practical real
It is current that there may be another division manner.
Fig. 4 A is please referred to, Fig. 4 A is a kind of structural schematic diagram of venous collection device disclosed in the embodiment of the present application, application
In electronic equipment shown in figure 1A, the electronic equipment includes hand vein recognition mould group, includes infrared in the hand vein recognition mould group
Lamp, the venous collection device include control unit 401, recognition unit 402 and determination unit 403, wherein
Described control unit 401, for controlling the infrared lamp according to preset wavelength pair by the hand vein recognition mould group
Target object carries out venous collection, obtains the first vein image；
The recognition unit 402 obtains the first vein figure for carrying out position identification to first vein image
As corresponding targeted vein position；
The determination unit 403, for being closed according to the mapping between preset intravenous regional and the wavelength of the infrared lamp
System, determines target wavelength corresponding to the targeted vein position；
Described control unit 401 is also used to control the infrared lamp by the hand vein recognition mould group with the target wave
It is long that venous collection is carried out to the target object, obtain the second vein image.
As can be seen that venous collection device described in the embodiment of the present application, is applied to electronic equipment, the electronic equipment
In include hand vein recognition mould group, include infrared lamp in the hand vein recognition mould group, above-mentioned apparatus can be controlled by hand vein recognition mould group
Infrared lamp carries out venous collection to target object according to preset wavelength, obtains the first vein image, carries out to the first vein image
Position identification, obtains targeted vein position corresponding to the first vein image, according to the wave of preset intravenous regional and infrared lamp
Mapping relations between length determine target wavelength corresponding to targeted vein position, by hand vein recognition mould group, control infrared lamp
Venous collection is carried out to target object with target wavelength, obtains the second vein image, in this way, can be for the different of target object
Position carries out venous collection using the infrared light of different wave length, to realize the efficiency for improving venous collection.
Optionally, position identification is being carried out to first vein image, obtained corresponding to first vein image
In terms of targeted vein position, the recognition unit 402 is specifically used for:
Image segmentation is carried out to first vein image, obtains the first venosomes image；
Contours extract is carried out to the first venosomes image, obtains vein contour images；
Feature point extraction is carried out to the vein contour images, obtains fisrt feature point set；
Second feature point set corresponding to default vein contour mould i is obtained, the default vein contour mould i is default
The corresponding profile of any default vein template in vein template set；
The fisrt feature point set is matched with the second feature point set, obtains matching value；
If the matching value is more than the first preset threshold, it is determined that targeted vein portion corresponding to first vein image
Position is intravenous regional corresponding to the default vein contour mould i.
Optionally, the infrared lamp is controlled with the target wavelength to described by the hand vein recognition mould group described
Target object carries out venous collection, and in terms of obtaining the second vein image, described control unit 401 is specifically used for:
According to the mapping relations between the preset venous collection parameter and wavelength, determine that the target wavelength is corresponding
Targeted vein acquisition parameter, the targeted vein acquisition parameter include at least one of the following: infrared lamp brightness, contrast, image
Acquisition frame rate, infrared luminous intensity, infrared light emission angle, optical filter diameter；
The wavelength of the infrared lamp is adjusted to target wavelength, control the venous collection mould group with the target wavelength and
The targeted vein acquisition parameter carries out venous collection to the target object, obtains second vein image.
As can be seen that venous collection device described in the embodiment of the present application, is applied to electronic equipment, the electronic equipment
In include hand vein recognition mould group, include infrared lamp in the hand vein recognition mould group, above-mentioned apparatus can be controlled by hand vein recognition mould group
Infrared lamp carries out venous collection to target object according to preset wavelength, obtains the first vein image, carries out to the first vein image
Position identification, obtains targeted vein position corresponding to the first vein image, according to the wave of preset intravenous regional and infrared lamp
Mapping relations between length determine target wavelength corresponding to targeted vein position, by hand vein recognition mould group, control infrared lamp
Venous collection is carried out to target object with target wavelength, obtains the second vein image, in this way, can be for the different of target object
Position carries out venous collection using the infrared light of different wave length, to realize the efficiency for improving venous collection.
Fig. 4 B is please referred to, Fig. 4 B is a kind of deformation knot of venous collection device shown in Fig. 4 A provided by the embodiments of the present application
Structure is applied to electronic equipment shown in figure 1A, and the electronic equipment includes hand vein recognition mould group, is wrapped in the hand vein recognition mould group
Infrared lamp is included, the venous collection device further includes image segmentation unit 404, feature extraction unit 405, division unit 406, obtains
Take unit 407, matching unit 408 and confirmation unit 409, wherein
Described image cutting unit 404 obtains the second vein area for carrying out image segmentation to second vein image
Area image；
The feature extraction unit 405 obtains third spy for carrying out feature extraction to the second venosomes image
Levy point set；
The division unit 406, for the second venosomes image to be divided into multiple regions, the face in each region
Product size is identical；
The determination unit 403 is also used to determine each region in the multiple region according to the third feature point set
Characteristic point quantity, obtain multiple characteristic point quantity；
The acquiring unit 407, for choosing the feature for being greater than the second preset threshold from the multiple characteristic point quantity
Point quantity obtains at least one target feature point quantity, and obtains at least one described corresponding region of target feature point quantity,
Obtain at least one target area；
The acquiring unit 407 is also used to obtain corresponding with the venous collection position of second vein image default
Vein template；
The matching unit 408, for the corresponding characteristic point at least one target area by described in and the default vein
The corresponding characteristic point of template is matched, and object matching value is obtained；
The confirmation unit 409, for the object matching value be greater than preset matching threshold value when, confirmation hand vein recognition at
Function.
It should be noted that electronic equipment described in the embodiment of the present application is presented in the form of functional unit.Here
Used term " unit " should be understood as meaning as widest as possible, for realizing pair of function described by each " unit "
As for example can be integrated circuit ASIC, single circuit, for executing the processor of one or more softwares or firmware program (altogether
Enjoying, dedicated or chipset) and memory, combinational logic circuit, and/or provide and realize other suitable groups of above-mentioned function
Part.
Wherein, control unit 401, recognition unit 402, determination unit 403, image segmentation unit 404, feature extraction unit
405, division unit 406, acquiring unit 407, matching unit 408 and confirmation unit 409 can be control circuit or processor.
The embodiment of the present application also provides a kind of computer storage medium, wherein computer storage medium storage is for electricity
The computer program of subdata exchange, it is as any in recorded in above method embodiment which execute computer
A kind of some or all of vein collection method step.
The embodiment of the present application also provides a kind of computer program product, and the computer program product includes storing calculating
The non-transient computer readable storage medium of machine program, the computer program are operable to that computer is made to execute such as above-mentioned side
Some or all of any vein collection method recorded in method embodiment step.
It should be noted that for the various method embodiments described above, for simple description, therefore, it is stated as a series of
Combination of actions, but those skilled in the art should understand that, the application is not limited by the described action sequence because
According to the application, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art should also know
It knows, the embodiments described in the specification are all preferred embodiments, related actions and modules not necessarily the application
It is necessary.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed device, it can be by another way
It realizes.For example, the apparatus embodiments described above are merely exemplary, such as the division of the unit, it is only a kind of
Logical function partition, there may be another division manner in actual implementation, such as multiple units or components can combine or can
To be integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Coupling, direct-coupling or communication connection can be through some interfaces, the indirect coupling or communication connection of device or unit,
It can be electrical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In 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, each functional unit in each embodiment of the application can integrate in one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also be realized in the form of software program module.
If the integrated unit is realized in the form of software program module and sells or use as independent product
When, it can store in a computer-readable access to memory.Based on this understanding, the technical solution of the application substantially or
Person says that all or part of the part that contributes to existing technology or the technical solution can body in the form of software products
Reveal and, which is stored in a memory, including some instructions are used so that a computer equipment
(can be personal computer, server or network equipment etc.) executes all or part of each embodiment the method for the application
Step.And memory above-mentioned includes: USB flash disk, read-only memory (read-only memory, ROM), random access memory
The various media that can store program code such as (randomaccess memory, RAM), mobile hard disk, magnetic or disk.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can store in a computer-readable memory, memory
It may include: flash disk, ROM, RAM, disk or CD etc..
The embodiment of the present application is described in detail above, specific case used herein to the principle of the application and
Embodiment is expounded, the description of the example is only used to help understand the method for the present application and its core ideas；
At the same time, for those skilled in the art can in specific embodiments and applications according to the thought of the application
There is change place, in conclusion the contents of this specification should not be construed as limiting the present application.
Claims (10)
1. a kind of vein collection method, which is characterized in that be applied to electronic equipment, the electronic equipment includes hand vein recognition mould
Group includes infrared lamp in the hand vein recognition mould group, which comprises
By the hand vein recognition mould group, the infrared lamp is controlled according to preset wavelength, venous collection is carried out to target object, obtained
To the first vein image；
Position identification is carried out to first vein image, obtains targeted vein position corresponding to first vein image；
According to the mapping relations between preset intravenous regional and the wavelength of the infrared lamp, the targeted vein position institute is determined
Corresponding target wavelength；
By the hand vein recognition mould group, controls the infrared lamp and target object progress vein is adopted with the target wavelength
Collection, obtains the second vein image.
2. the method according to claim 1, wherein it is described to first vein image carry out position identification,
Obtain targeted vein position corresponding to first vein image, comprising:
Image segmentation is carried out to first vein image, obtains the first venosomes image；
Contours extract is carried out to the first venosomes image, obtains vein contour images；
Feature point extraction is carried out to the vein contour images, obtains fisrt feature point set；
Second feature point set corresponding to default vein contour mould i is obtained, the default vein contour mould i is default vein
The corresponding profile of any default vein template in template set；
The fisrt feature point set is matched with the second feature point set, obtains matching value；
If the matching value is more than the first preset threshold, it is determined that targeted vein position corresponding to first vein image is
Intravenous regional corresponding to the default vein contour mould i.
3. according to the method described in claim 2, it is characterized in that, described obtain corresponding to default vein contour mould i the
Two feature point sets, comprising:
Obtain current environment parameter；
Based on the mapping relations between preset environmental parameter and vein contour mould, determine that the current environment parameter is corresponding
Default vein contour mould i；
Feature extraction is carried out to the default vein contour mould i, is obtained second corresponding to the default vein contour mould
Feature point set.
4. method according to claim 1-3, which is characterized in that described to pass through the hand vein recognition mould group, control
It makes the infrared lamp and venous collection is carried out to the target object with the target wavelength, obtain the second vein image, comprising:
According to the mapping relations between the preset venous collection parameter and wavelength, the corresponding target of the target wavelength is determined
Venous collection parameter, the targeted vein acquisition parameter include at least one of the following: infrared lamp brightness, contrast, Image Acquisition
Frame per second, infrared luminous intensity, infrared light emission angle, optical filter diameter；
The wavelength of the infrared lamp is adjusted to the target wavelength, control the venous collection mould group with the target wavelength and
The targeted vein acquisition parameter carries out venous collection to the target object, obtains second vein image.
5. method according to claim 1-4, which is characterized in that the method also includes:
Image segmentation is carried out to second vein image, obtains the second venosomes image；
Feature extraction is carried out to the second venosomes image, obtains third feature point set；
The second venosomes image is divided into multiple regions, the size in each region is identical；
The characteristic point quantity that each region in the multiple region is determined according to the third feature point set, obtains multiple characteristic points
Quantity；
The characteristic point quantity for being greater than the second preset threshold is chosen from the multiple characteristic point quantity, obtains at least one target spy
Sign point quantity, and at least one described corresponding region of target feature point quantity is obtained, obtain at least one target area；
Obtain default vein template corresponding with the venous collection position of second vein image；
The corresponding characteristic point at least one described target area characteristic point corresponding with the default vein template is matched,
Obtain object matching value；
When the object matching value is greater than preset matching threshold value, confirmation hand vein recognition success.
6. a kind of venous collection device, which is characterized in that be applied to electronic equipment, the electronic equipment includes hand vein recognition mould
Group, includes infrared lamp in the hand vein recognition mould group, and described device includes:
Control unit, for by the hand vein recognition mould group, control the infrared lamp according to preset wavelength to target object into
Row vein acquisition, obtains the first vein image；
Recognition unit obtains corresponding to first vein image for carrying out position identification to first vein image
Targeted vein position；
Determination unit, described in determining according to the mapping relations between preset intravenous regional and the wavelength of the infrared lamp
Target wavelength corresponding to targeted vein position；
Described control unit is also used to control the infrared lamp by the hand vein recognition mould group with the target wavelength to institute
It states target object and carries out venous collection, obtain the second vein image.
7. device according to claim 6 is carrying out position identification to first vein image, it is quiet to obtain described first
In terms of targeted vein position corresponding to arteries and veins image, the recognition unit is specifically used for:
Image segmentation is carried out to first vein image, obtains the first venosomes image；
Contours extract is carried out to the first venosomes image, obtains vein contour images；
Feature point extraction is carried out to the vein contour images, obtains fisrt feature point set；
Second feature point set corresponding to default vein contour mould i is obtained, the default vein contour mould i is default vein
The corresponding profile of any default vein template in template set；
The fisrt feature point set is matched with the second feature point set, obtains matching value；
If the matching value is more than the first preset threshold, it is determined that targeted vein position corresponding to first vein image is
Intravenous regional corresponding to the default vein contour mould i.
8. device according to claim 6 or 7, described device further include:
Image segmentation unit obtains the second venosomes image for carrying out image segmentation to second vein image；
Feature extraction unit obtains third feature point set for carrying out feature extraction to the second venosomes image；
Division unit, for the second venosomes image to be divided into multiple regions, the size in each region is identical；
The determination unit is also used to determine the characteristic point in each region in the multiple region according to the third feature point set
Quantity obtains multiple characteristic point quantity；
Acquiring unit is obtained for choosing the characteristic point quantity for being greater than the second preset threshold from the multiple characteristic point quantity
At least one target feature point quantity, and at least one described corresponding region of target feature point quantity is obtained, obtain at least one
A target area；
The acquiring unit, for obtaining default vein template corresponding with the venous collection position of second vein image；
Matching unit, for will the corresponding characteristic point at least one target area spy corresponding with the default vein template
Sign point is matched, and object matching value is obtained；
Confirmation unit, for when the object matching value is greater than preset matching threshold value, confirmation hand vein recognition to be successful.
9. a kind of electronic equipment, which is characterized in that including processor, memory, communication interface and hand vein recognition mould group, Yi Jiyi
A or multiple programs, one or more of programs are stored in the memory, and are configured to be held by the processor
Row, described program are included the steps that for executing the instruction in the method according to claim 1 to 5.
10. a kind of computer readable storage medium, which is characterized in that storage is used for the computer program of electronic data interchange,
In, the computer program makes computer execute the method according to claim 1 to 5.
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