CN110826553A - Remove face identification device of convenient automatic rising - Google Patents

Remove face identification device of convenient automatic rising Download PDF

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Publication number
CN110826553A
CN110826553A CN201911091338.1A CN201911091338A CN110826553A CN 110826553 A CN110826553 A CN 110826553A CN 201911091338 A CN201911091338 A CN 201911091338A CN 110826553 A CN110826553 A CN 110826553A
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CN
China
Prior art keywords
fixedly arranged
face recognition
box body
plate
fixing plate
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
CN201911091338.1A
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Chinese (zh)
Inventor
李小敬
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.)
Xuzhou Fengtong Information Technology Co Ltd
Original Assignee
Xuzhou Fengtong Information Technology 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.)
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Publication date
Application filed by Xuzhou Fengtong Information Technology Co Ltd filed Critical Xuzhou Fengtong Information Technology Co Ltd
Priority to CN201911091338.1A priority Critical patent/CN110826553A/en
Publication of CN110826553A publication Critical patent/CN110826553A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00Arrangements for image or video recognition or understanding
    • G06V10/10Image acquisition
    • G06V10/12Details of acquisition arrangements; Constructional details thereof
    • G06V10/14Optical characteristics of the device performing the acquisition or on the illumination arrangements
    • G06V10/141Control of illumination
    • 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
    • F16M11/043Allowing translations
    • F16M11/046Allowing translations adapted to upward-downward translation movement
    • 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
    • F16M11/42Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00Arrangements for image or video recognition or understanding
    • G06V10/10Image acquisition
    • G06V10/12Details of acquisition arrangements; Constructional details thereof
    • G06V10/14Optical characteristics of the device performing the acquisition or on the illumination arrangements
    • G06V10/147Details of sensors, e.g. sensor lenses
    • 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
    • G06V40/70Multimodal biometrics, e.g. combining information from different biometric modalities

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Image Input (AREA)

Abstract

The invention discloses a face recognition device capable of moving conveniently and automatically lifting, which comprises a box body, a sealing door, a moving wheel device, a face recognition box, a motor, a face recognition box cover, a face camera, a control panel and a light supplement lamp, wherein the sealing door is arranged on the box body; the box body is fixedly arranged at the upper ends of the four movable wheel devices and is formed by welding carbon steel plates, and baking varnish is subjected to rust prevention treatment; the movable wheel device is fixedly arranged at the four-angle position of the lower end surface of the box body; the face recognition box is fixedly arranged at the upper end of the connecting fixing plate; the light supplement lamp is fixedly arranged on the lower end face of the light supplement lamp fixing plate; the motor is fixedly arranged on the bearing plate; the control panel is fixedly arranged at the upper end of the outer side surface of the box body; the sealing door is arranged at the upper end of the box body through a connecting hinge; the face recognition device is convenient to move, reasonable in design, capable of intelligently achieving lifting of the face recognition device and high in face recognition accuracy.

Description

Remove face identification device of convenient automatic rising
Technical Field
The invention relates to the technical field of face recognition, in particular to a face recognition device which is convenient to move, convenient to move and capable of automatically lifting.
Background
The face recognition device is a biological feature recognition technology in the development of digital information, images or video streams containing faces are collected through a camera, the faces are automatically detected and tracked in the images, and then face positioning, face recognition preprocessing, memory storage and comparison are carried out on the detected faces, so that the purpose of recognizing the identities of different people is achieved. At present, a face recognition machine is adopted for identity authentication to perform face recognition, but the face recognition machine is inconvenient to move and cannot meet the use requirement of public places.
Disclosure of Invention
In view of the above situation, there is a need to provide a device for identifying a human face, which can solve the problems of the prior art that the human face identification device is inconvenient to move and cannot meet the requirements of public use.
A face recognition device capable of moving conveniently and automatically lifting comprises a box body, a handle, a sealing door, a connecting hinge, a bending plate, a storage battery, a moving wheel device, a face recognition box, a connecting fixing plate, a fixing guide rod, a sliding guide rail, a rack, a first gear, a rotating shaft, a second gear, a bearing seat, a bearing plate, a motor, a face recognition box cover, a fixing bolt, a supporting plate, a face camera, a supporting plate fixing plate, a control panel, a light supplement lamp and a light supplement lamp fixing plate; the box body is fixedly arranged at the upper ends of the four movable wheel devices and is formed by welding carbon steel plates, and baking varnish is subjected to rust prevention treatment; the movable wheel device is fixedly arranged at the four-angle position of the lower end surface of the box body; the bending plate is welded on the side wall inside the box body; two fixed guide rods are arranged and fixedly arranged on the side wall of the bending plate; the sliding guide rail is arranged in a dovetail groove in the center of the fixed guide rod and can slide up and down in the fixed guide rod; the connecting fixing plate is welded at the upper ends of the two sliding guide rails; the face recognition box is fixedly arranged at the upper end of the connecting fixing plate; the face recognition box cover is fixedly arranged in the rear side wall of the face recognition box by adopting four fixing bolts; the supporting plate fixing plate is fixedly arranged on the side wall of the connecting fixing plate; the supporting plate is fixedly arranged on the supporting plate fixing plate; the light supplementing lamp fixing plate is welded on the side wall of the upper end of the face recognition box; the light supplement lamp is fixedly arranged on the lower end face of the light supplement lamp fixing plate; the rack is welded at the lower end of the sliding guide rail; the bearing plate is welded on the inner side wall of the box body; the motor is fixedly arranged on the bearing plate; the bearing seat is fixedly arranged on the bearing plate and arranged on the left side of the motor; the rotating shaft is fixedly arranged on the motor through a bearing seat; the first gear is fixedly arranged at the left end of the rotating shaft; the second gear is fixedly arranged at the middle end of the rotating shaft; the storage battery is arranged at the lower end in the box body and is electrically connected with the motor, the light supplement lamp, the face camera, the near-infrared light lamp and the iris camera; the control panel is fixedly arranged at the upper end of the outer side surface of the box body and is connected with the storage battery, the motor, the light supplementing lamp, the human face camera, the near-infrared light lamp and the iris camera through wires; the sealing door is arranged at the upper end of the box body through a connecting hinge; the handle is welded on the upper end face of the sealing door.
As a further scheme of the invention: the bending plate is made of stainless steel and is arranged to be a U-shaped plate.
As a further scheme of the invention: and a dovetail groove is formed in the center of the fixed guide rod.
As a further scheme of the invention: the face camera is fixedly arranged in the face recognition box cover, and the near-infrared light lamp and the iris camera are arranged on two sides of the face camera.
As a further scheme of the invention: the supporting plate is made of polyurethane materials.
As a further scheme of the invention: the first gear is meshed with the left rack.
As a further scheme of the invention: the second gear is meshed with the right rack.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a face recognition device which is convenient to move, convenient and automatic to lift; the whole device is convenient to move by moving the wheel device, and the handle is held by hand to open the sealing door; the motor is started through the control panel to drive the first gear and the second gear to rotate, the rack and the sliding guide rail move upwards through the rotation of the first gear and the second gear, the face recognition box rises out of the upper end of the box body, the face camera carries out face recognition, a near infrared light lamp and an iris camera are arranged on two sides of the face camera, the face recognition error rate is 2.0%, under the conditions of illumination, exaggerated expression, covering objects, different postures and the like, the recognition accuracy is greatly reduced, the iris recognition accuracy is higher, the error rate is 0.0001%, when the iris recognition is needed, the chin of a detected person is pressed against the supporting plate, the near infrared light lamp emits near infrared light which cannot be seen by a human to illuminate the eyes of the detected person, once the iris is illuminated, the iris camera can capture an image, and the identity of the detected person is retrieved according to the database; the light supplement lamp can supplement light; the face recognition device is convenient to move, reasonable in design, capable of intelligently achieving lifting of the face recognition device and high in face recognition accuracy.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a front cross-sectional view of an embodiment of the present invention;
FIG. 3 is a schematic diagram of the face recognition device raised in the embodiment of the present invention;
FIG. 4 is a schematic view of a first gear meshing with a rack in an embodiment of the present invention;
in the figure: 1-box, 2-handle, 3-sealing door, 4-connecting hinge, 5-bending plate, 6-storage battery, 7-moving wheel device, 8-face recognition box, 9-connecting fixing plate, 10-fixing guide rod, 11-sliding guide rail, 12-rack, 13-first gear, 14-rotating shaft, 15-second gear, 16-bearing seat, 17-bearing plate, 18-motor, 19-face recognition box cover, 20-fixing bolt, 21-supporting plate, 22-face camera, 23-supporting plate fixing plate, 24-control panel, 25-fill light and 26-fill light fixing plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the XX of the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-4, a face recognition device capable of moving, conveniently and automatically lifting in an embodiment of the present invention includes a box body 1, a handle 2, a sealing door 3, a connecting hinge 4, a bending plate 5, a storage battery 6, a moving wheel device 7, a face recognition box 8, a connecting fixing plate 9, a fixing guide rod 10, a sliding guide rail 11, a rack 12, a first gear 13, a rotating shaft 14, a second gear 15, a bearing seat 16, a bearing plate 17, a motor 18, a face recognition box cover 19, a fixing bolt 20, a supporting plate 21, a face camera 22, a supporting plate fixing plate 23, a control panel 24, a light supplement lamp 25 and a light supplement lamp fixing plate 26; the box body 1 is fixedly arranged at the upper ends of the four movable wheel devices 7, the box body 1 is formed by welding carbon steel plates, and baking varnish is subjected to rust prevention treatment; the movable wheel device 7 is fixedly arranged at the four-angle position of the lower end surface of the box body 1, and the whole device is convenient to move by moving the movable wheel device 7; the bending plate 5 is welded on the side wall inside the box body 1, and the bending plate 5 is made of stainless steel and is arranged into a U-shaped plate; two fixed guide rods 10 are arranged and fixedly arranged on the side wall of the bending plate 5, and dovetail grooves are formed in the center of the fixed guide rods 10; the sliding guide rail 11 is arranged in a dovetail groove at the central position of the fixed guide rod 10 and can slide up and down in the fixed guide rod 10; the connecting fixing plate 9 is welded at the upper ends of the two sliding guide rails 11; the face recognition box 8 is fixedly arranged at the upper end of the connecting fixing plate 9; the face recognition box cover 19 is fixedly arranged in the rear side wall of the face recognition box 8 by four fixing bolts 20, and the face camera 22 can be maintained and installed by opening the face recognition box cover 19; the face camera 22 is fixedly arranged in the face recognition box cover 19, the near infrared light lamp and the iris camera are arranged on two sides of the face camera 22, the face recognition error rate is 2.0%, the recognition accuracy can be greatly reduced under the conditions of illumination, exaggerated expression, covering, different postures and the like, the iris recognition precision is higher, the error rate is 0.0001%, when the iris recognition is needed, the chin of a detector is pressed on the supporting plate 21, the near infrared light lamp emits near infrared light which cannot be seen by a human to illuminate the eyes of the detected person, once the iris is illuminated, the iris camera can capture an image, and therefore the identity of the detected person can be retrieved according to a database; the supporting plate fixing plate 23 is fixedly arranged on the side wall of the connecting fixing plate 9; the supporting plate 21 is fixedly arranged on the supporting plate fixing plate 23, and the supporting plate 21 is made of polyurethane material; the light supplement lamp fixing plate 26 is welded on the side wall of the upper end of the face recognition box 8; the light supplement lamp 25 is fixedly arranged on the lower end face of the light supplement lamp fixing plate 26; the rack 12 is welded at the lower end of the sliding guide rail 11; the bearing plate 17 is welded on the inner side wall of the box body 1; the motor 18 is fixedly arranged on the bearing plate 17; the bearing seat 16 is fixedly arranged on the bearing plate 17 and arranged on the left side of the motor 18; the rotating shaft 14 is fixedly arranged on a motor 18 through a bearing block 16; the first gear 13 is fixedly arranged at the left end of the rotating shaft 14, and the first gear 13 is meshed with the left rack 12; the second gear 15 is fixedly arranged at the middle end of the rotating shaft 14, and the second gear 15 is meshed with the right rack 12; the storage battery 6 is arranged at the lower end in the box body 1, and the storage battery 6 is electrically connected with the motor 18, the light supplement lamp 25, the face camera 22, the near-infrared light lamp and the iris camera; the control panel 24 is fixedly arranged at the upper end of the outer side surface of the box body 1, and the control panel 24 is connected with the storage battery 6, the motor 18, the light supplement lamp 25, the face camera 22, the near-infrared light lamp and the iris camera through leads to control the start and the stop of the control panel; the sealing door 3 is arranged at the upper end of the box body 1 through a connecting hinge 4; the handle 2 is welded on the upper end surface of the sealing door 3.
The working principle is as follows: the whole device is convenient to move by moving the wheel device 7, and the handle 2 is held by hand to open the sealing door 3; the motor 18 is started through the control panel 24 to drive the first gear 13 and the second gear 15 to rotate, the rack 12 and the sliding guide rail 11 move upwards through the rotation of the first gear 13 and the second gear 15, the face recognition box 8 rises out of the upper end of the box body 1, the face camera 22 carries out face recognition, the near-infrared light lamp and the iris camera are arranged on two sides of the face camera 22, the face recognition error recognition rate is 2.0 percent, under the conditions of illumination, exaggerated expression, covering, different postures and the like, the recognition accuracy is also greatly reduced, the iris recognition precision is higher, the false recognition rate is 0.0001 percent, when iris recognition is needed, the chin of a person to be detected is pressed against the supporting plate 21, the near-infrared light lamp emits near-infrared light which cannot be seen by human beings to illuminate the eyes of the person to be detected, once the iris is illuminated, the iris camera can capture an image, and therefore the identity of the person to be detected is retrieved according to the database; the light supplement lamp 25 can supplement light.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (7)

1. A face recognition device capable of moving conveniently and automatically lifting comprises a box body (1), a handle (2), a sealing door (3), a connecting hinge (4), a bending plate (5), a storage battery (6), a moving wheel device (7), a face recognition box (8), a connecting fixing plate (9), a fixing guide rod (10), a sliding guide rail (11), a rack (12), a first gear (13), a rotating shaft (14), a second gear (15), a bearing seat (16), a bearing plate (17), a motor (18), a face recognition box cover (19), a fixing bolt (20), a supporting plate (21), a face camera (22), a supporting plate fixing plate (23), a control panel (24), a light supplement lamp (25) and a light supplement lamp fixing plate (26); the method is characterized in that: the box body (1) is fixedly arranged at the upper ends of the four movable wheel devices (7), the box body (1) is formed by welding carbon steel plates, and baking varnish is subjected to rust prevention treatment; the movable wheel device (7) is fixedly arranged at the four-angle position of the lower end surface of the box body (1); the bending plate (5) is welded on the side wall inside the box body (1); two fixed guide rods (10) are arranged and fixedly arranged on the side wall of the bending plate (5); the sliding guide rail (11) is arranged in a dovetail groove in the center of the fixed guide rod (10) and can slide up and down in the fixed guide rod (10); the connecting fixing plate (9) is welded at the upper ends of the two sliding guide rails (11); the face recognition box (8) is fixedly arranged at the upper end of the connecting fixing plate (9); the face recognition box cover (19) is fixedly arranged in the rear side wall of the face recognition box (8) by adopting four fixing bolts (20); the supporting plate fixing plate (23) is fixedly arranged on the side wall of the connecting fixing plate (9); the supporting plate (21) is fixedly arranged on the supporting plate fixing plate (23); the light supplement lamp fixing plate (26) is welded on the side wall of the upper end of the face recognition box (8); the light supplement lamp (25) is fixedly arranged on the lower end face of the light supplement lamp fixing plate (26); the rack (12) is welded at the lower end of the sliding guide rail (11); the bearing plate (17) is welded on the inner side wall of the box body (1); the motor (18) is fixedly arranged on the bearing plate (17); the bearing seat (16) is fixedly arranged on the bearing plate (17) and arranged on the left side of the motor (18); the rotating shaft (14) is fixedly arranged on the motor (18) through a bearing seat (16); the first gear (13) is fixedly arranged at the left end of the rotating shaft (14); the second gear (15) is fixedly arranged at the middle end of the rotating shaft (14); the storage battery (6) is arranged at the lower end in the box body (1), and the storage battery (6) is electrically connected with the motor (18), the light supplement lamp (25), the face camera (22), the near-infrared light lamp and the iris camera; the control panel (24) is fixedly arranged at the upper end of the outer side surface of the box body (1), and the control panel (24) is connected with the storage battery (6), the motor (18), the light supplement lamp (25), the human face camera (22), the near-infrared light lamp and the iris camera through wires; the sealing door (3) is arranged at the upper end of the box body (1) through a connecting hinge (4); the handle (2) is welded on the upper end surface of the sealing door (3).
2. The mobile, convenient and automatic lifting face recognition device according to claim 1, characterized in that: the bending plate (5) is made of stainless steel and is arranged to be a U-shaped plate.
3. The mobile, convenient and automatic lifting face recognition device according to claim 1, characterized in that: a dovetail groove is arranged in the center of the fixed guide rod (10).
4. The mobile, convenient and automatic lifting face recognition device according to claim 1, characterized in that: the human face camera (22) is fixedly arranged in the human face recognition box cover (19), and the two sides of the human face camera (22) are provided with a near-infrared light lamp and an iris camera.
5. The mobile, convenient and automatic lifting face recognition device according to claim 1, characterized in that: the supporting plate (21) is made of polyurethane materials.
6. The mobile, convenient and automatic lifting face recognition device according to claim 1, characterized in that: the first gear (13) is meshed with the left rack (12).
7. The mobile, convenient and automatic lifting face recognition device according to claim 1, characterized in that: the second gear (15) is meshed with the right rack (12).
CN201911091338.1A 2019-11-10 2019-11-10 Remove face identification device of convenient automatic rising Pending CN110826553A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911091338.1A CN110826553A (en) 2019-11-10 2019-11-10 Remove face identification device of convenient automatic rising

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911091338.1A CN110826553A (en) 2019-11-10 2019-11-10 Remove face identification device of convenient automatic rising

Publications (1)

Publication Number Publication Date
CN110826553A true CN110826553A (en) 2020-02-21

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Application Number Title Priority Date Filing Date
CN201911091338.1A Pending CN110826553A (en) 2019-11-10 2019-11-10 Remove face identification device of convenient automatic rising

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111639619A (en) * 2020-06-08 2020-09-08 金陵科技学院 Face recognition device and recognition method based on deep learning
CN112269319A (en) * 2020-09-30 2021-01-26 漳州斯力特家具有限公司 Multifunctional intelligent household combination connection system and control method
CN112466029A (en) * 2020-11-17 2021-03-09 温州大学 Face identification equipment for security check based on convolutional neural network
CN113780218A (en) * 2021-09-17 2021-12-10 杭州指悦网络科技有限公司 Face recognition terminal for food safety monitoring
CN114542874A (en) * 2022-02-23 2022-05-27 常州工业职业技术学院 Device for automatically adjusting photographing height and angle and control system thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111639619A (en) * 2020-06-08 2020-09-08 金陵科技学院 Face recognition device and recognition method based on deep learning
CN111639619B (en) * 2020-06-08 2024-01-30 金陵科技学院 Face recognition device and method based on deep learning
CN112269319A (en) * 2020-09-30 2021-01-26 漳州斯力特家具有限公司 Multifunctional intelligent household combination connection system and control method
CN112466029A (en) * 2020-11-17 2021-03-09 温州大学 Face identification equipment for security check based on convolutional neural network
CN113780218A (en) * 2021-09-17 2021-12-10 杭州指悦网络科技有限公司 Face recognition terminal for food safety monitoring
CN114542874A (en) * 2022-02-23 2022-05-27 常州工业职业技术学院 Device for automatically adjusting photographing height and angle and control system thereof

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Application publication date: 20200221

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