CN109359635A - A kind of face information acquisition device of multi-angle - Google Patents

A kind of face information acquisition device of multi-angle Download PDF

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Publication number
CN109359635A
CN109359635A CN201811535324.XA CN201811535324A CN109359635A CN 109359635 A CN109359635 A CN 109359635A CN 201811535324 A CN201811535324 A CN 201811535324A CN 109359635 A CN109359635 A CN 109359635A
Authority
CN
China
Prior art keywords
face
information acquisition
face information
acquisition device
revolving part
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811535324.XA
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Chinese (zh)
Inventor
王秀英
冯珊
李英
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHINACCS INFORMATION INDUSTRY Co Ltd
Original Assignee
CHINACCS INFORMATION INDUSTRY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CHINACCS INFORMATION INDUSTRY Co Ltd filed Critical CHINACCS INFORMATION INDUSTRY Co Ltd
Priority to CN201811535324.XA priority Critical patent/CN109359635A/en
Publication of CN109359635A publication Critical patent/CN109359635A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/16Human faces, e.g. facial parts, sketches or expressions
    • G06V40/161Detection; Localisation; Normalisation
    • G06V40/166Detection; Localisation; Normalisation using acquisition arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/04Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/18Heads with mechanism for moving the apparatus relatively to the stand
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/20Undercarriages with or without wheels
    • F16M11/2085Undercarriages with or without wheels comprising means allowing sideward adjustment, i.e. left-right translation of the head relatively to the undercarriage
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/06009Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
    • G06K19/06037Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking multi-dimensional coding

Abstract

The present invention provides a kind of face information acquisition devices of multi-angle, belong to face recognition device technical field.A kind of its technical solution are as follows: face information acquisition device of multi-angle, including pedestal, main driving mechanism and driven drive mechanisms are oppositely arranged on the pedestal, the driven drive mechanisms support bar top is equipped with face front camera assembly, it is equipped with adjustment structure between the main driving mechanism and the driven drive mechanisms, face side camera settings are respectively equipped at the top of two column spinners of the adjustment structure.The invention has the benefit that the present invention can take pictures from different perspectives to face information and picture mark, the picture of mark multi-angle belongs to the same person, for promoting the efficiency of face sample collection, it is shot by multi-cam multi-angle, and is automatically associated with face information with personal information simultaneously by identity card system;To further improve the accuracy of face information acquisition.

Description

A kind of face information acquisition device of multi-angle
Technical field
The present invention relates to the face information acquisition devices of face recognition device technical field more particularly to a kind of multi-angle.
Background technique
Face recognition technology is applied at the field that brush face opens the door at present, influences one of recognition of face efficiency and accuracy Reason is in human face photo to be compared, and the shooting angle and samples pictures of face have gap, and the deviation of this angle is bigger, Recognition accuracy is lower.
Recognition of face is a kind of biological identification technology for carrying out identification based on facial feature information of people, with camera shooting Machine or camera acquire image or video flowing containing face, and automatic detection and tracking face in the picture, and then to detection The face that arrives carries out a series of the relevant technologies of face, usually also referred to as Identification of Images, face recognition.
Generic face identifies equipment during use, what people was presented when different angles is towards face recognition device Image is different, so that identified facial image is possible to imperfect, to affect subsequent Feature extraction and recognition Accuracy, the failure of Face datection algorithm is resulted even in, moreover, in the process of face recognition, if people Face ceaselessly shakes, it will impacts to face recognition device acquisition face information, so that identification is set when reducing face The accuracy of standby identification face, reduces the practicability of face recognition device.
How to solve above-mentioned technical problem is the project that the present invention faces.
Summary of the invention
The purpose of the present invention is to provide a kind of face information acquisition devices of multi-angle.
The present invention is realized by following measure: a kind of face information acquisition device of multi-angle, including pedestal, In, main driving mechanism and driven drive mechanisms are oppositely arranged on the pedestal, the driven drive mechanisms support bar top is set There is face front camera assembly, adjustment structure is equipped between the main driving mechanism and the driven drive mechanisms, described Face side camera settings are respectively equipped at the top of two column spinners of adjustment structure.
The main driving mechanism includes the support frame being connected with the pedestal, and the main driving on support frame as described above is arranged in Revolving part is arranged in the crank on the main driving revolving part central rotating shaft, connects dynamic rotation at the driving end of the crank Bull stick.
The driven drive mechanisms by the support rod that is fixedly connected with the pedestal, be arranged in the support bar top from Dynamic revolving part composition, driven revolving part setting corresponding with the main driving revolving part, in the driven revolving part and institute The lateral surface for stating main driving revolving part is enclosed with rubber friction layer.
Face front camera assembly is by being arranged in the plate that laterallys secure of the support bar top, and setting is described lateral Face front camera on the bracket is arranged positioned at the bracket laterallyd secure on plate in processor in fixed plate.
The adjustment structure includes two revolving parts being oppositely arranged on the pedestal, and corresponding setting exists respectively Two hollow semicircular strigils on the revolving part, the turn-screw being connected across between the revolving part being oppositely arranged, with And the connecting component between the turn-screw and the revolving part is set.
The revolving part is plugged on the column spinner on the pedestal by low side activity, is connected on the column spinner lower section Swingle, the free end of the swingle are connected with the center point of the hollow semicircular strigil cancave cambered surface;
The revolving part further includes the pressure spring being socketed on the swingle, is connected to the swing component of the column spinner upper end, institute The U-shaped connector and the connecting component for stating the free end of swing component cooperate.
The convex globoidal of the two hollow semicirculars strigil is rubber friction layer.
Face side camera settings include the main swing component of L-type being hinged at the top of the column spinner, with the connection Component top connecting column is the L-type rotary drive of center shaft, the lateral camera group being plugged on the main swing component of the L-type Part.
The L-type rotary drive is by the horizontal swing arm that is movably connected at the top of the connecting component on connecting column, with institute The rotating arm that horizontal swing arm is connected is stated, the drive rod on the rotating arm upper section medial surface is set, the driving is connected to The limit sphere of bar free end forms.
The lateral CCD camera assembly includes lateral camera, and the column spinner of the lateral camera bottom surface is arranged in, if The hollow rotating ball in the rotation column bottom is set, is equipped with arcuate slots, the arcuate slots along the hollow rotating ball radial direction It cooperates with the limit sphere.
The control terminal of the processor be connected to face front camera automatically controlled end and lateral camera The output end connection at automatically controlled end, the processor is placed in the indoor host computer of operation, and the display of the host computer can The information of a front surface and a side surface of collected face is shown over the display, processor control adjusts the angle of lateral camera Degree needs the information acquired according to each face side;The rotation angle of lateral camera is controlled by processor.
The invention has the benefit that the face front of the positive face face front camera assembly for the face for needing to identify Camera, processor control the rotation angle of lateral camera according to the information that face sideway stance needs acquire, and hand holds main drive The dynamic rotation bar at the driving end of crank on the main driving revolving part central rotating shaft of motivation structure, due to main driving revolving part, from Convex globoidal of the dynamic revolving part respectively with two hollow semicircular strigils of adjustment structure is mutually abutted against, when main driving revolving part rotates When, two hollow semicircular strigil relative motions are driven, while the column spinner of revolving part makes rotating motion on the base, revolving part Swing component free end U-shaped connector in connecting component relatively moved along turn-screw, and then realize two sides to taking the photograph As the relative distance between head, it can be taken pictures from different perspectives to face information and picture marks, mark the figure of multi-angle Piece belongs to the same person, for promoting the efficiency of face sample collection, is shot simultaneously by multi-cam multi-angle, and pass through body Face information is associated with by part card system with personal information automatically;It is real to further improve the accuracy of face information acquisition The multi-angle rotary scanning shoot for having showed camera, the image data for acquiring face information is abundant, convenient for face information identification Accuracy generates software by the image processing software in computer and two dimensional code, can automatically control the multi-angle rotation of camera Turn, and by image processing software processing analysis, obtains typical personal face characteristic data, and generate software by two dimensional code Unique face two dimensional code is generated, and then downloads and modifies convenient for the upload to data and make corrections.
Detailed description of the invention
Fig. 1 is the main view of the embodiment of the present invention.
Fig. 2 is the overall structure diagram of the embodiment of the present invention.
Fig. 3 is the overall structure diagram of the embodiment of the present invention.
Fig. 4 is the right view of Fig. 1.
Fig. 5 is face information collection flow chart of the present invention.
Wherein, appended drawing reference are as follows: 1, pedestal;2, main driving mechanism;20, support frame;21, main driving revolving part;3, driven Driving mechanism;30, support rod;31, driven revolving part;4, face front camera assembly;40, plate is laterallyd secure;41, bracket;42, Face front camera;5, adjustment structure;50, revolving part;501, swingle;502, pressure spring;503, swing component;500, two rotation Column;51, two hollow semicircular strigil;52, turn-screw;53, connecting component;6, face side camera settings;60, L-type master Swing component;61, L-type rotary drive;62, lateral CCD camera assembly.
Specific embodiment
In order to clarify the technical characteristics of the invention, being illustrated below by specific embodiment to this programme.
Referring to Fig. 1 to Fig. 5, the present invention is: a kind of face information acquisition device of multi-angle, a kind of face letter of multi-angle Cease acquisition device, including pedestal 1, wherein main driving mechanism 2 and driven drive mechanisms 3, driven drive are oppositely arranged on pedestal 1 It is equipped with face front camera assembly 4 at the top of 3 support rod 30 of motivation structure, is equipped between main driving mechanism 2 and driven drive mechanisms 3 Adjustment structure 5 is respectively equipped with face side camera settings 6 at the top of two column spinners 500 of adjustment structure 5.
Main driving mechanism 2 includes the support frame 20 being connected with pedestal 1, and the main driving revolving part on support frame 20 is arranged in 21, the crank on main driving 21 central rotating shaft of revolving part is set, is connected with dynamic rotation bar at the driving end of crank.
The driven rotation at 30 top of support rod is arranged in by the support rod 30 being fixedly connected with pedestal 1 in driven drive mechanisms 3 Part 31 forms, driven revolving part 31 setting corresponding with main driving revolving part 21, in driven revolving part 31 and main driving revolving part 21 lateral surface is enclosed with rubber friction layer.
Face front camera assembly 4 laterallys secure plate 40 by being arranged at the top of support rod 30, and setting is lateralling secure plate The face front camera 42 on bracket 41 is arranged in positioned at the bracket 41 laterallyd secure on plate 40 in processor on 40.
Adjustment structure 5 includes two revolving parts 50 being oppositely arranged on pedestal 1, corresponding respectively to be arranged in revolving part 50 On two hollow semicircular strigils 51, the turn-screw 52 being connected across between the revolving part 50 being oppositely arranged, and setting exist Connecting component 53 between turn-screw 52 and revolving part 50.
Revolving part 50 is plugged on the column spinner 500 on pedestal 1 by low side activity, the rotation being connected on 500 lower section of column spinner The free end of bull stick 501, swingle 501 is connected with the center point of 51 cancave cambered surface of hollow semicircular strigil;
Revolving part 50 further includes the pressure spring 502 being socketed on swingle 501, is connected to the swing component 503 of 500 upper end of column spinner, The U-shaped connector and connecting component 53 of the free end of swing component 503 cooperate.
The convex globoidal of two hollow semicircular strigils 51 is rubber friction layer.
Face side camera settings 6 include the main swing component 60 of L-type for being hinged on 500 top of column spinner, with connecting component 53 Top connecting column is the L-type rotary drive 61 of center shaft, the lateral CCD camera assembly being plugged on the main swing component 60 of L-type 62。
L-type rotary drive 61 is by the horizontal swing arm that is movably connected on 53 top connecting column of connecting component, with lateral pendulum The rotating arm that arm is connected is arranged in the drive rod on rotating arm upper section medial surface, is connected to the limit of drive rod free end Sphere composition.
Lateral CCD camera assembly 62 includes lateral camera, and the column spinner of lateral camera bottom surface is arranged in, and setting is being revolved The hollow rotating ball of rotary column bottom is equipped with arcuate slots along hollow rotating ball radial direction, and arcuate slots and limit sphere cooperate.
The control terminal of processor is connected to the automatically controlled end of face front camera 42 and the automatically controlled end of lateral camera, The output end connection of processor is placed in the indoor host of operation, the display of host can by the front of collected face and The information of side shows that over the display processor control adjusts the angle of lateral camera according to each face side needs The information of acquisition;The rotation angle of lateral camera is controlled by processor.
The present invention is in actual use: the face of the positive face face front camera assembly 4 for the face for needing to identify is just Face camera 42, processor control the rotation angle of lateral camera according to the information that face sideway stance needs acquire, and hand is held The dynamic rotation bar at the driving end of the crank on main 21 central rotating shaft of driving revolving part of main driving mechanism 2, since main driving is revolved Turn the convex globoidal of part 21, driven revolving part 31 respectively with two hollow semicircular strigils 51 of adjustment structure 5 to be mutually abutted against, works as master When revolving part 21 being driven to rotate, two hollow semicircular strigils, 51 relative motion is driven, while the column spinner 500 of revolving part 50 exists It makes rotating motion on pedestal 1, the connecting component 53 in the U-shaped connector of the free end of the swing component 503 of revolving part 50 is along biography Dynamic lead screw 52 relatively moves, and then realizes that two sides, can be from different perspectives to face information to the relative distance between camera It takes pictures and is marked with picture, the picture for marking multi-angle belongs to the same person, for promoting the efficiency of face sample collection, leads to It crosses multi-cam multi-angle while shooting, and be automatically associated with face information with personal information by identity card system;Thus into One step improves the accuracy of face information acquisition, realizes the multi-angle rotary scanning shoot of camera, acquires face information Image data it is abundant, convenient for the accuracy of face information identification, pass through the image processing software in computer and two dimensional code generate Software can automatically control the multi-angle rotary of camera, and by image processing software processing analysis, obtain typical individual Face characteristic data, and the unique face two dimensional code of Software Create is generated by two dimensional code.
Technical characteristic of the present invention without description can realize that details are not described herein by or using the prior art, certainly, The above description is not a limitation of the present invention, and the present invention is also not limited to the example above, the ordinary skill of the art The variations, modifications, additions or substitutions that personnel are made within the essential scope of the present invention also should belong to protection model of the invention It encloses.

Claims (10)

1. a kind of face information acquisition device of multi-angle, including pedestal (1), which is characterized in that opposite on the pedestal (1) Main driving mechanism (2) and driven drive mechanisms (3) are set, are equipped with face at the top of driven drive mechanisms (3) support rod (30) Front camera assembly (4) is equipped with adjustment structure (5) between the main driving mechanism (2) and the driven drive mechanisms (3), Face side camera settings (6) are respectively equipped at the top of two column spinners (500) of the adjustment structure (5).
2. the face information acquisition device of multi-angle according to claim 1, which is characterized in that the main driving mechanism It (2) include the support frame (20) being connected with the pedestal (1), the main driving revolving part being arranged on support frame as described above (20) (21), the crank on described main driving revolving part (21) central rotating shaft is set, and at the driving end of the crank, connection is dynamic Swingle.
3. the face information acquisition device of multi-angle according to claim 1 or 2, which is characterized in that the driven driving Mechanism (3) is by the support rod (30) that is fixedly connected with the pedestal (1), the driven rotation being arranged at the top of the support rod (30) Part (31) composition, driven revolving part (31) setting corresponding with main driving revolving part (21), in the driven rotation Part (31) and the lateral surface of main driving revolving part (21) are enclosed with rubber friction layer.
4. the face information acquisition device of multi-angle according to claim 1-3, which is characterized in that the face Front camera assembly (4) is laterallyd secure by lateralling secure plate (40) at the top of the support rod (30), setting is arranged in described Processor on plate (40), positioned at the bracket (41) laterallyd secure on plate (40), the people being arranged on the bracket (41) Face front camera (42).
5. the face information acquisition device of multi-angle according to claim 1-4, which is characterized in that the adjusting Structure (5) includes two revolving parts (50) being oppositely arranged on the pedestal (1), corresponding respectively to be arranged in the rotation Turn two hollow semicircular strigils (51) on part (50), the driving wire being connected across between the revolving part (50) being oppositely arranged Thick stick (52), and the connecting component (53) being arranged between the turn-screw (52) and the revolving part (50).
6. the face information acquisition device of multi-angle according to claim 1-5, which is characterized in that the rotation Part (50) is plugged on the column spinner (500) on the pedestal (1) by low side activity, is connected on the column spinner (500) lower section Swingle (501), the center of circle of the free end of the swingle (501) and hollow semicircular strigil (51) cancave cambered surface Place is connected;
The revolving part (50) further includes the pressure spring (502) being socketed on the swingle (501), is connected to the column spinner (500) swing component (503) of upper end, U-shaped connector and the connecting component (53) of the free end of the swing component (503) It cooperates.
7. the face information acquisition device of multi-angle according to claim 1-6, which is characterized in that in described two The convex globoidal of empty semicircle strigil (51) is rubber friction layer.
8. the face information acquisition device of multi-angle according to claim 1-7, which is characterized in that the face Side camera settings (6) include the main swing component of L-type (60) being hinged at the top of the column spinner (500), with the connecting component (53) top connecting column is the L-type rotary drive (61) of center shaft, is plugged on lateral on the main swing component of the L-type (60) CCD camera assembly (62).
9. the face information acquisition device of multi-angle according to claim 1-8, which is characterized in that the L-type Rotary drive (61) is laterally put by the horizontal swing arm being movably connected at the top of the connecting component (53) on connecting column with described The drive rod on the rotating arm upper section medial surface is arranged in the rotating arm that arm is connected, and is connected to the drive rod free end The limit sphere in portion forms.
10. the face information acquisition device of -9 described in any item multi-angles according to claim 1, which is characterized in that the side Include lateral camera to CCD camera assembly (62), the column spinner of the lateral camera bottom surface is set, is arranged in the rotation The hollow rotating ball of rotary column bottom is equipped with arcuate slots, the arcuate slots and the limit along the hollow rotating ball radial direction Sphere cooperates.
CN201811535324.XA 2018-12-14 2018-12-14 A kind of face information acquisition device of multi-angle Pending CN109359635A (en)

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Application Number Priority Date Filing Date Title
CN201811535324.XA CN109359635A (en) 2018-12-14 2018-12-14 A kind of face information acquisition device of multi-angle

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110195811A (en) * 2019-06-27 2019-09-03 歌尔科技有限公司 A kind of rotary pick-up head device
CN110798613A (en) * 2019-10-11 2020-02-14 重庆特斯联智慧科技股份有限公司 Face camera equipment that many visual angles were gathered
CN110991342A (en) * 2019-12-03 2020-04-10 吉林大学 Device for shooting and recording multi-angle facial expressions
CN113783991A (en) * 2021-10-18 2021-12-10 梵阿特展示设备(昆山)有限公司 Face information acquisition device and control method thereof
CN113824854A (en) * 2020-06-19 2021-12-21 上海会麦信息科技有限公司 Security and monitoring combined wall camera

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202433920U (en) * 2012-02-20 2012-09-12 华焦宝 Multi-angle human face recognizing system
CN106485129A (en) * 2016-11-16 2017-03-08 山东同智伟业软件股份有限公司 Intelligent rotating dual camera information acquiring instrument
CN108319950A (en) * 2018-03-22 2018-07-24 南京甄视智能科技有限公司 A kind of intelligent face recognition device of the wide application of the crowd with correcting function

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202433920U (en) * 2012-02-20 2012-09-12 华焦宝 Multi-angle human face recognizing system
CN106485129A (en) * 2016-11-16 2017-03-08 山东同智伟业软件股份有限公司 Intelligent rotating dual camera information acquiring instrument
CN108319950A (en) * 2018-03-22 2018-07-24 南京甄视智能科技有限公司 A kind of intelligent face recognition device of the wide application of the crowd with correcting function

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110195811A (en) * 2019-06-27 2019-09-03 歌尔科技有限公司 A kind of rotary pick-up head device
CN110798613A (en) * 2019-10-11 2020-02-14 重庆特斯联智慧科技股份有限公司 Face camera equipment that many visual angles were gathered
CN110991342A (en) * 2019-12-03 2020-04-10 吉林大学 Device for shooting and recording multi-angle facial expressions
CN110991342B (en) * 2019-12-03 2022-07-15 吉林大学 Device for shooting and recording multi-angle facial expressions
CN113824854A (en) * 2020-06-19 2021-12-21 上海会麦信息科技有限公司 Security and monitoring combined wall camera
CN113783991A (en) * 2021-10-18 2021-12-10 梵阿特展示设备(昆山)有限公司 Face information acquisition device and control method thereof

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