CN105095893A - Image acquisition device and method - Google Patents
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- CN105095893A CN105095893A CN201410514804.3A CN201410514804A CN105095893A CN 105095893 A CN105095893 A CN 105095893A CN 201410514804 A CN201410514804 A CN 201410514804A CN 105095893 A CN105095893 A CN 105095893A
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- G—PHYSICS
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- 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
- G06V40/18—Eye characteristics, e.g. of the iris
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Abstract
The invention discloses an image acquisition device and method, wherein the image acquisition device includes a face imaging module group for collecting face images of target objects; an iris imaging module group for collecting iris images of the target objects, wherein the iris imaging module group and the face imaging module group are fixedly arranged according to a predetermined position; a control processing unit for detecting whether the face images are within the predetermined scope, and controlling the iris imaging module group to collect the iris images when the face images are within the scope. Through the image acquisition device and method, the problem of difficult operation during the acquisition of the face images and the iris images in the prior art is solved, and thus it is convenient to collect the face images and the iris images.
Description
Technical field
The present invention relates to field of biological recognition, in particular to a kind of image collecting device and method.
Background technology
Modern society is along with the development of internet, the requirement of people to the safety and stability of information especially personal information improves constantly, the application that the unique biological feature utilizing human body intrinsic or behavioural characteristic carry out authentication is more and more extensive, such as, safety certifying method and the equipment such as fingerprint, iris, face, vein of daily life and security fields has been widely used at present.But each single creature feature identification technique has its limitation; people as worn fingerprints can not use fingerprint recognition; cause the recognition technology of single creature feature can not meet proprietary needs; thus combine biometrics identification technology and become the focus paid close attention in recent years; it overcomes the limitation of single creature feature identification to a certain extent, and the overall recognition accuracy of combination biometrics identification technology usually can higher than single creature feature identification technique.In numerous combination living things feature recognition, the combination identification of face and iris is the combination biometrics identification technology of most potentiality.
Existing face and iris image acquiring and identification equipment generally have the imaging camera machine of more than 2 with the use of, first, image capturing system utilizes face collected by camera face information, then utilize computing machine etc. to analyze the face information collected and obtain control information drives iris camera adjustment shooting angle or iris camera focal length etc. with control step motor, the iris camera after adjustment is finally utilized to gather iris information, whole collecting device volume is larger, structure is more complicated also, thus causes the process operation gathering image complicated.
Operate more complicated problem for when gathering facial image and iris image in prior art, not yet propose effective solution at present.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of image collecting device and method, the problem that when gathering facial image and iris image to solve in prior art, operation is more complicated.
To achieve these goals, according to an aspect of the present invention, a kind of image collecting device is provided.This device comprises: face imaging modules, for gathering the facial image of destination object; Iris imaging module, for gathering the iris image of above-mentioned destination object, wherein, above-mentioned iris imaging module and above-mentioned face imaging modules are fixedly installed according to precalculated position; Controlled processing unit, for detecting above-mentioned facial image whether in preset range, and when above-mentioned facial image is in above-mentioned preset range, controls above-mentioned iris imaging module and gathers above-mentioned iris image.
To achieve these goals, according to a further aspect in the invention, a kind of image-pickup method is provided.Image-pickup method according to the present invention comprises: the facial image being gathered destination object by face imaging modules; Detect the above-mentioned facial image collected whether to be in preset range; And if above-mentioned facial image is in above-mentioned preset range, then control the iris image that iris imaging module gathers above-mentioned destination object, wherein, above-mentioned face imaging modules and above-mentioned iris imaging module are fixedly installed according to precalculated position.
By the present invention, adopt face imaging modules, for gathering the facial image of destination object; Iris imaging module, for gathering the iris image of destination object, wherein, iris imaging module and face imaging modules are fixedly installed according to precalculated position; Controlled processing unit, for detecting facial image whether in preset range, and when facial image is in preset range, control iris imaging module and gather iris image, solve in prior art the problem that when gathering facial image and iris image, operation is more complicated, and then reach the effect being convenient to gather facial image and iris image.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of image collecting device according to a first embodiment of the present invention;
Fig. 2 is the structural representation of image collecting device according to a second embodiment of the present invention;
Fig. 3 is the schematic diagram according to embodiment of the present invention Face detection prompting frame;
Fig. 4 is the schematic diagram of arranging up and down according to iris imaging module and the face imaging modules of the embodiment of the present invention;
Fig. 5 is the schematic diagram according to arranging about the iris imaging module of the embodiment of the present invention and face imaging modules;
Fig. 6 is the schematic diagram be applied according to the harvester of the embodiment of the present invention on mobile phone;
Fig. 7 a to Fig. 7 c is the schematic diagram of the output information according to the embodiment of the present invention, and wherein, Fig. 7 a is the schematic diagram that front is faced in prompting, and Fig. 7 b is the schematic diagram of prompting to left avertence, and Fig. 7 c is the schematic diagram of prompting to right avertence;
Fig. 8 is the process flow diagram of the image-pickup method according to the embodiment of the present invention; And
Fig. 9 is the process flow diagram of image-pickup method according to the preferred embodiment of the invention.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
The present invention program is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the embodiment of a part of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
It should be noted that, embodiments of the invention can with except here diagram or describe those except order implement.Term " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, such as, contain those steps or unit that the process of series of steps or unit, method, system, product or equipment is not necessarily limited to clearly list, but can comprise clearly do not list or for intrinsic other step of these processes, method, product or equipment or unit.
Embodiments provide a kind of image collecting device.The image collecting device that the embodiment of the present invention provides may be used for field of biological recognition, and by the collection to facial image and iris image, the technology in conjunction with these two kinds of bio-identification can improve the accuracy of bio-identification.
Fig. 1 is the schematic diagram of image collecting device according to a first embodiment of the present invention.Wherein, this image collecting device comprises face imaging modules 12, iris imaging module 13 and controlled processing unit 16 as shown in Figure 2.
Face imaging modules 12 is for gathering the facial image of destination object.
Iris imaging module 13 is for gathering the iris image of destination object, and wherein, iris imaging module and face imaging modules are fixedly installed according to precalculated position.
Controlled processing unit 16 for detecting facial image whether in preset range, and when facial image is in preset range, controls iris imaging module and gathers iris image.
Face imaging modules gathers the facial image of destination object, iris imaging module gathers the iris image of destination object, face imaging modules and iris imaging module are fixedly installed according to precalculated position, namely the position of these two image-generating units is fixed, and does not need the position and the angle that adjust both when gathering facial image and iris image.In addition, because facial image ratio is easier to gather, before collection iris image, first facial image is judged whether in preset range, if facial image is in preset range, illustrate and can gather suitable iris image in this state, then controlled processing unit controls iris imaging module and gathers iris image.Described suitable iris image is the image that can be used for iris recognition.Controlled processing unit control iris imaging module gather iris image time, without the need to adjusting the position of iris imaging module or angle etc., only need control to gather iris image.
Pass through above-described embodiment, control iris imaging module when detecting that facial image is in preset range and gather iris image, because iris imaging module and face imaging modules are fixedly installed according to precalculated position, in control procedure, the position and angle etc. of iris imaging module are not adjusted, can iris image be gathered.Wherein, when ensureing that the facial image that collects is facial image in preset range in situation clearly, when namely face is in the field depth introduced in following proposal, facial image is in Face detection prompting frame.
Preferably, due to when gathering facial image and iris image, human eye is identical apart from the distance of this harvester with face apart from this harvester, in order to all photograph facial image and iris image clearly under same distance, iris imaging module and face imaging modules have the identical shooting depth of field.
Preferably, this device also comprises self feed back unit 11, for detecting facial image at controlled processing unit not when preset range, exports information, and wherein, information adjusts face location for pointing out destination object.
Self feed back unit 11 can show the facial image collected, when the range cells 14 shown in Fig. 1 detects that the distance of this harvester and destination object reaches certain scope, and the facial image that display face image-generating unit gathers.Range cells passes through laser, the distance measuring sensor such as ultrasound wave or infrared ray carries out range observation, distance between Real-Time Monitoring destination object and device, the distance of measurement is fed back to controlled processing unit, when destination object face being detected, self feed back unit can be changed by the distance between display reminding frame prompting destination object itself and harvester, such as, self feed back unit shows the oval prompting frame of similar face shape, i.e. Face detection prompting frame 211 as shown in Figure 3, along with the change of the spacing of destination object and device, the size of Face detection prompting frame changes thereupon, destination object face and device are apart from far away, Face detection prompting frame is less, otherwise, destination object face and device are apart from nearer, Face detection prompting frame is larger, therefore when destination object is in the working range of face imaging modules, only need adjust posture makes facial image 212 in Face detection prompting frame, face and iris image can be gathered, the facial image of collection and iris image can be utilized to carry out authentication.
In order to gather facial image and iris image, when arranging face imaging modules and iris imaging module, can arrange according to following two kinds of arrangement modes.
Mode one:
Iris imaging module and face imaging modules in the vertical direction arranged adjacent.Figure 4 shows that iris imaging module and face imaging modules are arranged schematic diagram up and down.
Face imaging modules 321 and iris imaging module 331 adopt arranges up and down.Iris imaging module is positioned at top, and face imaging modules is positioned at below, or face imaging modules is positioned at top, and iris imaging module is positioned at below, and the shooting angular field of view of face imaging modules covers the visual angle coverage of iris imaging module.In addition, iris lens optical axis and face camera lens optical axis angled, when face camera lens can photograph front face image, iris lens shooting visual angle can cover people's ocular.Be positioned at top with iris imaging module, face imaging modules is positioned at below for example: when arranging this iris imaging module, iris lens optical axis level, namely the optical axis of iris lens is mutually vertical with its place plane.When utilizing this device to gather iris image and facial image, iris lens and human eye are at same level line, face camera lens is placed with certain angle of inclination, ensures that same position place iris imaging module just in time takes binocular iris image, face imaging modules shooting front face image.When gathering iris image, destination object is easy to eyes be adjusted to the position with the optical axis level of iris lens, thus the reflection avoiding light causes the unsharp problem of iris of collection, and then when not adjusting the position of iris lens and face camera lens, iris image and facial image clearly also can be gathered.In addition, also be for the ease of gathering iris image clearly when not adjusting iris lens and face camera lens, iris lens is arranged on the top of face camera lens, and face camera lens and the setting at an angle of iris lens place plane, iris lens is disposed adjacent with face camera lens, can be separated by preset distance, this distance can be run business into particular one inching according to the size of camera lens.
Mode two:
Iris imaging module and face imaging modules arranged adjacent in the horizontal direction, wherein, when gathering iris image, iris imaging module and face imaging modules are in the plane at human eye place, and iris imaging module is between two of destination object.To arrange about Figure 6 shows that iris imaging module and face imaging modules schematic diagram.
Left and right arrangement schematic diagram as shown in Figure 6, iris imaging module 331 is positioned at whole device center, and face imaging modules 321 is positioned at left side or the right side of iris imaging module 331.When utilizing this device to gather facial image and iris image, the visual angle of iris imaging module just in time covers the scope at human eye 301 place, its optical axis is in the position between eyes, is preferably the intermediate point of the spacing of eyes, and the iris image gathered like this is the front iris image of eyes.The spacing L of face imaging modules and iris imaging module, can not left or right too partially to ensure that face module shooting image shows image in display screen preferably between 5-30mm.
Preferably, iris imaging module comprises iris lens, face imaging modules comprises face camera lens, in order to can facial image be gathered when gathering iris image, also iris head portrait can be gathered when gathering facial image, and without the need to the position that adjusts iris imaging module and face imaging modules and angle, when arranging iris imaging module and face imaging modules, these two imaging modules are made to have the setting of certain angle, namely the optical axis of iris lens is mutually vertical with iris lens place plane, for when gathering iris image and the human eye of destination object be in same level line.Between the optical axis of face camera lens and the optical axis of iris lens, there is angle, for the shooting front face image when gathering facial image.
During according to arrangement up and down shown in Fig. 5, according to field angle and the shooting distance of face imaging modules and iris imaging module, the field angle scope of face imaging modules 321 is 50 °≤α≤75 °, preferably 65 °, iris imaging module 331 field angle is 20 °≤β≤45 °, preferably 38 °.As shown in Figure 5, the field angle of iris imaging module just in time covers the face of people, basic and the human eye level of its optical axis, the scope of the field angle of face imaging modules covers the scope of the field angle of iris imaging module, also facial image can be gathered when the angle residing for destination object and position can make iris imaging module gather iris image, alternatively, when face is in the field angle scope of face imaging modules, also can ensure that iris imaging module gathers iris image, namely do not need to carry out complicated adjustment and operate obtaining satisfactory iris image and facial image to face imaging modules and iris imaging module.
Face imaging modules and iris imaging module shooting field depth are 30-50cm, face imaging modules and iris imaging module placed adjacent, face imaging modules field range covers iris imaging module field range, and the optical axis of face imaging modules and iris imaging module is 6 °≤θ≤10 ° at vertical direction angle.Due to when arranging face imaging modules and iris imaging module, preferential guarantee iris imaging module is in just to the position of eyes, and the position of face imaging modules is relatively inclined, in order to ensure that face imaging modules takes suitable front face image, when arranging face imaging modules, its optical axis and iris imaging module is made to have certain angle, position face imaging modules preferably residing for face and the optical axis of iris imaging module intersect at a point, preferably in the coverage of distance face 30-50cm, same position place iris imaging module takes suitable binocular iris image, face imaging modules takes suitable front face image.
When arranging according to the left and right shown in Fig. 6, the spacing L of face imaging modules distance iris imaging modules is preferably between 5-30mm, and angle γ need meet 6 °≤γ≤10 ° between face imaging modules and iris imaging module, identical with the principle of arranging up and down, this angle is to ensure that image that face module takes can not left or right too partially, but the direct picture of face.
Preferably, when iris imaging module gathers iris image, in order to make the iris image clean mark gathered, lighting unit 15 can also be set, for providing near infrared supplementary lighting sources.Conveniently store the running parameter and view data etc. of this device, storage unit 17 can also be set.
Preferably, the self feed back unit in above-described embodiment can show Face detection prompting frame, can also export acousto-optic hint.As shown in Figure 7, before gathering, the Word message that can export as shown in Figure 7a " please face front "; If the facial image collected as shown in Figure 7b, then can output character information " please to left avertence "; If the facial image collected as shown in Figure 7 c, then can output character information " please to right avertence ".It can also be seen that from Fig. 7, in figure when facial image is in dotted line frame, representing now can normal acquisition iris image, when facial image departs from dotted line frame, the angle of prompting destination object adjustment face, such as, the size of the facial image collected by the distance adjustment adjusting face and this device, the facial image that the deflection angle of adjustment face makes this device collect is direct picture.
The facial image collected by controlled processing unit analysis judges that whether the posture of destination object is suitable, and sends information.In this embodiment, the information sent comprises the information such as sound, word and color, but be not limited to these forms, and, Face detection prompting frame in accompanying drawing is only signal effect, can also be such as square grade dotted line frame or solid box etc., the form of accompanying drawing be not limited to the form of the prompting frame in the embodiment of the present invention.
Above-mentioned image collecting device can be used on mobile phone, flat board, PC and gate inhibition, for carrying out image recognition by analyzing the image that collects, to carry out unlocking, the operation such as payment.
Such as, above-mentioned image collecting device is arranged on mobile phone, as shown in Figure 6.This image collecting device comprises iris imaging module 33, face imaging modules 32, range cells 34, lighting unit 352 and lighting unit 351, and mobile phone rear end control treatment platform.Face imaging modules and iris imaging module are formed primarily of imaging modules and process chip, and imaging modules comprises optical lens and cmos sensor, and rear end control treatment platform connects two-way camera simultaneously, for the treatment of two-way view data.The optical system of face imaging modules is made up of 2 to 3 sheet glass or glass lens, and its eyeglass is sphere or aspheric surface.Because the size of sensor is larger, photosensitive area is larger, imaging effect is better, in order to realize higher image quality, preferably, cmos sensor size is less than or equal to 1/4, laterally at least 640 pixels, vertical at least 480 pixels, whole face imaging modules size can reach 5mm*5mm*4mm (the wide * of long * is high).The optical system of iris imaging module is made up of 3-5 sheet glass or glass lens, its eyeglass have employed sphere or aspheric surface, because the size of sensor is larger, photosensitive area is larger, imaging effect is better, in order to realize higher image quality, preferably, cmos sensor size is less than or equal to 1/4, laterally at least 1900 pixels, vertical at least 800 pixels, meet the requirement of binocular iris image acquiring, whole iris imaging module size can reach 5.5mm*5.5mm*4mm (the wide * of long * is high).Wherein, face imaging modules and iris imaging module have identical shooting field depth, can the simultaneously face of shooting clear and iris image at 30-50cm.Wherein, the set-up mode of iris imaging module 33 and face imaging modules 32 is arranged according to the position in the above embodiment of the present invention and angle, namely iris imaging module is in the top of face imaging modules, whether face is had by range cells 34 detection of handset screen front, if there is face, iris imaging module and face imaging modules is utilized to gather facial image and iris image, and facial image is shown in screen, as shown in Figure 7.In the process of shooting image, light filling can also be carried out, to obtain better picture quality by lighting unit 352 and/or lighting unit 351.Utilize said apparatus to gather facial image and iris image, avoid complicated mechanical mechanism and rear end to control, make the miniaturization more of whole device, it is more convenient to use.
The embodiment of the present invention additionally provides a kind of image-pickup method.Fig. 8 is the process flow diagram of the image-pickup method according to the embodiment of the present invention.As shown in the figure, this image-pickup method comprises:
Step S102, gathers the facial image of destination object by face imaging modules.
Whether step S104, detect the facial image collected and be in preset range.
Step S106, if facial image is in preset range, then control the iris image that iris imaging module gathers destination object, wherein, face imaging modules and iris imaging module are fixedly installed according to precalculated position.
Face imaging modules gathers the facial image of destination object, iris imaging module gathers the iris image of destination object, face imaging modules and iris imaging module are fixedly installed according to precalculated position, namely the position of these two image-generating units is fixed, and does not need the position and the angle that adjust both when gathering facial image and iris image.In addition, because facial image ratio is easier to gather and process, before collection iris image, first facial image is judged whether in preset range, if facial image is in preset range, illustrate and can gather iris image in this state, then controlled processing unit controls iris imaging module and gathers iris image.Control module control iris imaging module gather iris image time, without the need to adjusting the position of iris imaging module or angle etc., only need controller to gather iris image.
Pass through above-described embodiment, control iris imaging module when detecting that facial image is in preset range and gather iris image, because iris imaging module and face imaging modules are fixedly installed according to precalculated position, in control procedure, the position and angle etc. of iris imaging module are not adjusted, can iris image be gathered.
Whether after detecting the facial image collected and being in preset range, method also comprises: if facial image is not in preset range, then export information, and wherein, information adjusts face location for pointing out destination object.
If facial image is not in preset range, then exports information and comprise: judge whether the size of facial image is greater than the size of prompting frame.If the size of facial image is greater than the size of prompting frame, then export the information increasing face and face imaging modules distance.And if the size of facial image is less than the size of prompting frame, then export the information reducing face and face imaging modules distance.
Screen can be seen facial image and Face detection prompting frame, if the size of face is greater than the size of face prompting frame, the hypotelorism of face apart from this harvester is described, prompting destination object is needed to increase face and face imaging modules distance, if the size of face is less than the size of face prompting frame, the hypertelorism of face apart from this harvester is described, needs prompting destination object to reduce face and face imaging modules distance.It should be noted that, at least one general scope of Face detection prompting frame, being not limited to facial image must overlap completely with the edge of Face detection prompting frame, as long as the face in the field depth of camera lens can both collect image clearly.
For the ease of understanding the image-pickup method in the embodiment of the present invention, below in conjunction with Fig. 9, image acquisition step in the embodiment of the present invention is described:
Step S701, range cells detects in real time, detects that there is object in device front.Whether range cells has object by the front of examinations harvester, so that face detected in time and carry out image acquisition, after object being detected, performs step S703.
Step S703, starts face imaging modules shooting facial image, carries out Face datection.Start face imaging modules and gather facial image.
Step S705, determines whether face, and whether the image namely detecting shooting is facial image.This step can avoid the image photographed to be the image of other non-face objects, when image collection being detected is face, performs step S707, otherwise performs step S717 to continue examinations.
Step S707, display Face detection prompting frame, destination object face all enters prompting frame.At display unit (as screen) upper display Face detection prompting frame and the facial image collected, and judge whether face all enters in prompting frame.When the distance of face and harvester meets certain distance (depth of field as camera lens), the iris image gathered can ensure that its picture quality meets the needs of bio-identification, in order to ensure to collect iris image clearly, determine that when face all enters prompting frame the position at face place and the distance of camera lens meet the scope of the depth of field, image clearly can be collected, therefore, destination object is reminded to adjust position in time to gather facial image and iris image clearly by display Face detection prompting frame.
Step S709, starts iris imaging module and lighting unit shooting iris image, carries out human eye detection.Because the collection of iris image requires meticulousr, when utilizing iris image to carry out bio-identification, to the accuracy requirement of iris image, also comparatively recognition of face is higher, lighting unit can be utilized to carry out light supply when gathering iris image.
Step S711, determines whether human eye to be detected.After collecting eye image, if iris imaging module is departed from the front of face, the iris image of collection may be caused inaccurate, need to judge whether human eye to be detected.If human eye detected, perform step S713, otherwise perform step S715.
Step S713, gathers face and iris image.By the adjustment of above-mentioned steps, the facial image of collection and iris image can meet the requirement of bio-identification, and the image collected can be utilized to proceed the operations such as identification, and such as mobile phone unlocks and gate inhibition unlocks.
Step S715, prompting destination object adjustment posture.Because the position of face imaging modules and iris imaging module is fixed, at the hypotelorism of face and harvester or when crossing far away, prompting destination object adjustment posture.Can adjust with reference to Face detection prompting frame and facial image during adjustment, can also adjust according to the voice exported, word or color tips information, then at execution step S707, until face is all entered Face detection prompting frame.
It should be noted that, can perform in the computer system of such as one group of computer executable instructions in the step shown in the process flow diagram of accompanying drawing, and, although show logical order in flow charts, but in some cases, can be different from the step shown or described by order execution herein.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an image collecting device, is characterized in that, comprising:
Face imaging modules, for gathering the facial image of destination object;
Iris imaging module, for gathering the iris image of described destination object, wherein, described iris imaging module and described face imaging modules are fixedly installed according to precalculated position;
Controlled processing unit, for detecting described facial image whether in preset range, and when described facial image is in described preset range, controls described iris imaging module and gathers described iris image.
2. device according to claim 1, is characterized in that, described device also comprises self feed back unit, during for detecting described facial image not at described preset range at described controlled processing unit, export information, wherein, described information is used for prompting and adjusts face location.
3. device according to claim 1, is characterized in that, described iris imaging module and described face imaging modules are fixedly installed according to precalculated position and comprise:
Described iris imaging module and described face imaging modules in the vertical direction arranged adjacent, wherein, when gathering described iris image, described iris imaging module is in identical plane with human eye.
4. device according to claim 1, is characterized in that, described iris imaging module and described face imaging modules are fixedly installed according to precalculated position and comprise:
Described iris imaging module and described face imaging modules arranged adjacent in the horizontal direction, wherein, when gathering described iris image, described iris imaging module and described face imaging modules are in the plane at human eye place, and described iris imaging module is between two of described destination object.
5. the device according to any one of Claims 1-4, is characterized in that, described iris imaging module comprises iris lens, and described face imaging modules comprises face camera lens;
The optical axis of described iris lens is mutually vertical with described iris lens place plane, for when gathering described iris image and the human eye of described destination object be in same level line;
Between the optical axis of described face camera lens and the optical axis of described iris lens, there is angle, for the shooting front face image when gathering described facial image.
6. device according to claim 5, is characterized in that, described iris lens has the identical depth of field with described face camera lens.
7. device according to claim 5, is characterized in that, the field range of described face camera lens covers the field range of described iris lens.
8. an image-pickup method, is characterized in that, comprising:
The facial image of destination object is gathered by face imaging modules;
Detect the described facial image collected whether to be in preset range; And
If described facial image is in described preset range, then control the iris image that iris imaging module gathers described destination object, wherein, described face imaging modules and described iris imaging module are fixedly installed according to precalculated position.
9. method according to claim 8, is characterized in that, whether after detecting the described facial image collected and being in preset range, described method also comprises:
If described facial image is not in described preset range, then export information, wherein, described information is used for prompting and adjusts face location.
10. method according to claim 8, is characterized in that, if described facial image is not in described preset range, then exports information and comprises:
Judge whether the size of described facial image is greater than the size of prompting frame;
If the size of described facial image is greater than the size of described prompting frame, then export the information increasing face and described face imaging modules distance; And
If the size of described facial image is less than the size of described prompting frame, then export the information reducing described face and described face imaging modules distance.
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