CN211956511U - Face recognition device based on three-dimensional point cloud - Google Patents
Face recognition device based on three-dimensional point cloud Download PDFInfo
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- CN211956511U CN211956511U CN202020972269.7U CN202020972269U CN211956511U CN 211956511 U CN211956511 U CN 211956511U CN 202020972269 U CN202020972269 U CN 202020972269U CN 211956511 U CN211956511 U CN 211956511U
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- point cloud
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Abstract
The utility model discloses a face identification device based on three-dimensional point cloud belongs to the face identification field, including fixing base, mounted frame and transmission case, fixing base downside center is provided with the mounted frame, mounted frame one side is provided with the transmission case. Has the advantages that: the utility model discloses an ambient light sensor and light filling lamp that set up, make the device when using, can carry out the light filling through the light filling lamp according to ambient light luminance, make the camera catch clear human face image, servo motor through setting up, the transmission case, the mounted frame, the axis of rotation, a gear and No. two gears, make the device when meetting the personnel face that shoots the ambiguity, drive a gear and No. two gear rotations through servo motor, and then make the three-dimensional laser scanner of mounted frame downside can carry out the rotary motion, and then make the device can track the shooting to the human face, guarantee the collection precision of point cloud, guarantee the matching accuracy of device to three-dimensional information of the face.
Description
Technical Field
The utility model belongs to face identification field, concretely relates to face identification device based on three-dimensional point cloud.
Background
In the reverse engineering, a point data set of the product appearance surface obtained by a measuring instrument is also called point cloud, the number of points obtained by using a three-dimensional coordinate measuring machine is small, the distance between the points is large, and the point data set is called sparse point cloud; the point clouds obtained by using the three-dimensional laser scanner or the photographic scanner have larger and denser point quantities, and are called dense point clouds. The face recognition device based on the three-dimensional point cloud scans the face through the three-dimensional laser scanner to obtain the dense point cloud, and then can record each detail characteristic of the face to form three-dimensional face information, so that the face can be accurately recognized again.
The current face recognition device based on three-dimensional point cloud when using, the device can not carry out the light filling according to ambient light brightness for clear face image is not convenient for catch to the camera, and simultaneously, current device when using, can not track the shooting to the personnel face that shoots unclear, influences the collection precision of some cloud, and then influences the device to the matching accuracy of people's face three-dimensional information, consequently needs a utility model to solve current problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a face identification device based on three-dimensional point cloud to solve the problem of proposing among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a face recognition device based on three-dimensional point cloud comprises a fixed seat, a suspension frame and a transmission case, wherein the suspension frame is arranged at the center of the lower side of the fixed seat, the transmission case is arranged at one side of the suspension frame, a servo motor is arranged at one side of the transmission case, a first gear is arranged at the upper side in the transmission case, a second gear is arranged at the lower side of the first gear, a shell is arranged at the inner side of the suspension frame, rotating shafts penetrate through the shell and are close to two sides of the suspension frame, an ambient light sensor is arranged at the upper side of the shell, a face recognition camera is arranged at the center of the inner side of the shell, an infrared camera is arranged at one side of the face recognition camera, a wide-angle camera is arranged at one side of the face recognition camera, which is far away from the infrared camera, and light supplement lamps, the shell downside center is provided with the connecting seat, the connecting seat lower extreme is provided with three-dimensional laser scanner, three-dimensional laser scanner one side center is provided with the record camera, the bilateral symmetry is provided with the lens about the record camera.
Preferably, the fixed seat is connected with the suspension bracket through a clamping manner, the suspension bracket is connected with the shell through the rotating shaft, and the shell is connected with the ambient light sensor through a clamping groove.
Preferably, the shell with the face identification camera passes through the block and connects, infrared camera with the shell passes through the draw-in groove and connects, wide-angle camera with the shell passes through the draw-in groove and connects.
Preferably, the light filling lamp is connected with the shell through clamping, the rotating shaft is connected with the suspension bracket through a bearing, and the rotating shaft is connected with the second gear key.
Preferably, the servo motor is connected with the transmission case through a screw, the servo motor is connected with the rotating shaft through the first gear and the second gear, and the first gear is meshed with the second gear.
Preferably, the shell with the three-dimensional laser scanner passes through the connecting seat is connected, the three-dimensional laser scanner with the connecting seat passes through the screw connection, the three-dimensional laser scanner with the record camera passes through the draw-in groove and is connected.
Preferably, the lens with three-dimensional laser scanner block is connected, infrared camera with wide angle camera is in face identification camera bilateral symmetry sets up.
Preferably, the material of the fixed seat is the same as that of the suspension bracket, and the suspension bracket is in a U-shaped structure.
Compared with the prior art, the beneficial effects of the utility model are that:
1. in order to solve the problem that when the existing human face recognition device based on three-dimensional point cloud is used, the device cannot perform light supplement according to the ambient light brightness, so that a camera cannot capture a clear human face image conveniently, the utility model discloses an ambient light sensor and a light supplement lamp are arranged, so that when the device is used, the light supplement can be performed through the light supplement lamp according to the ambient light brightness, and the camera can capture the clear human face image;
2. for solving current device when using, can not track the shooting to the personnel face that shoots the ambiguity, influence the collection precision of some clouds, and then influence the device to the problem of the matching accuracy of people's face three-dimensional information, the utility model discloses a servo motor who sets up, transmission case, mounted frame, axis of rotation, a gear and No. two gears for the device drives a gear and No. two gear rotations through servo motor when meetting the personnel face that shoots the ambiguity, and then makes the three-dimensional laser scanner of mounted frame downside can carry out rotary motion, and then makes the device can track the shooting to people's face, guarantees the collection precision of some clouds, guarantees the matching accuracy of device to people's face three-dimensional information.
Drawings
Fig. 1 is a front view of a face recognition device based on three-dimensional point cloud according to the present invention;
fig. 2 is a left side view of the face recognition device based on three-dimensional point cloud of the present invention;
fig. 3 is a left cross-sectional view of a transmission case in a face recognition device based on three-dimensional point cloud.
In the figure: 1. a three-dimensional laser scanner; 2. a lens; 3. a face recognition camera; 4. an infrared camera; 5. a light supplement lamp; 6. a suspension bracket; 7. a housing; 8. a connecting seat; 9. a fixed seat; 10. a rotating shaft; 11. a servo motor; 12. a transmission case; 13. a first gear; 14. a second gear; 15. a wide-angle camera; 16. an ambient light sensor; 17. and recording the camera.
Detailed Description
In order to make the technical solutions of the present invention clearer and clearer for those skilled in the art, the present invention will be described in further detail with reference to the following embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
Referring to fig. 1-3, the present invention provides a technical solution of a face recognition device based on three-dimensional point cloud: comprises a fixed seat 9, a suspension bracket 6 and a transmission case 12, wherein the suspension bracket 6 is arranged at the center of the lower side of the fixed seat 9, the transmission case 12 is arranged at one side of the suspension bracket 6, a servo motor 11 is arranged at one side of the transmission case 12, a first gear 13 is arranged at the upper side in the transmission case 12, a second gear 14 is arranged at the lower side of the first gear 13, a shell 7 is arranged at the inner side of the suspension bracket 6, rotating shafts 10 penetrate through the two sides of the shell 7 close to the suspension bracket 6, an ambient light sensor 16 is arranged at the upper side of the shell 7, a face recognition camera 3 is arranged at the center of the inner side of the shell 7, an infrared camera 4 is arranged at one side of the face recognition camera 3, a wide-angle camera 15 is arranged at one side of the face recognition camera 3 away from the infrared camera 4, light supplement, the lower extreme of connecting seat 8 is provided with three- dimensional laser scanner 1, and 1 one side center of three-dimensional laser scanner is provided with the record camera 17, and bilateral symmetry is provided with lens 2 about the record camera 17.
In this embodiment, it is preferred, fixing base 9 is connected through the block with mounted frame 6, and mounted frame 6 passes through axis of rotation 10 with shell 7 and is connected, and shell 7 passes through the draw-in groove with ambient light sensor 16 and is connected, and fixing base 9 can be fixed mounted frame 6, guarantees that mounted frame 6 obtains stable support, and shell 7 can carry out rotation regulation round mounted frame 6 through axis of rotation 10, and ambient light sensor 16 can carry out real-time supervision to external luminance.
In this embodiment, it is preferred, shell 7 passes through the block with face identification camera 3 and is connected, and infrared camera 4 passes through the draw-in groove with shell 7 and is connected, and wide-angle camera 15 passes through the draw-in groove with shell 7 and is connected, and face identification camera 3 can discern the people's face, and infrared camera 4 can shoot the temperature information of people's face and read, and wide-angle camera 15 can increase the angular range who shoots, improves recognition efficiency.
In this embodiment, preferred, the light filling lamp 5 passes through the block with shell 7 and is connected, and axis of rotation 10 passes through the bearing with mounted frame 6 and is connected, and axis of rotation 10 and No. two 14 key-type connections of gear, light filling lamp 5 carry out the light filling when external light is not bright for the camera can shoot clearly the people's face, and axis of rotation 10 can be so that shell 7 rotates around mounted frame 6 is stable.
In this embodiment, preferably, the servo motor 11 is connected with the transmission case 12 through a screw, the servo motor 11 is connected with the rotating shaft 10 through a first gear 13 and a second gear 14, the first gear 13 is meshed with the second gear 14, and the transmission case 12 can protect the first gear 13 and the second gear 14, so that the servo motor 11 can stably transmit.
In this embodiment, preferably, the housing 7 is connected with the three-dimensional laser scanner 1 through the connecting seat 8, the three-dimensional laser scanner 1 is connected with the connecting seat 8 through a screw, the three-dimensional laser scanner 1 is connected with the recording camera 17 through a card slot, and the recording camera 17 can record the chroma of the object scanned by the three-dimensional laser scanner 1.
In this embodiment, preferably, lens 2 is connected with 1 block of three-dimensional laser scanner, and infrared camera 4 and wide-angle camera 15 set up at the symmetry in face identification camera 3 both sides, and lens 2 can be so that the transmission obtains stable transmission with the laser that returns, avoids the influence of external light to laser.
In this embodiment, preferably, the material of the fixing seat 9 is the same as that of the suspension bracket 6, the suspension bracket 6 is in a U-shaped structure, the fixing seat 9 can stably fix the suspension bracket 6 on a building, and the shape of the suspension bracket 6 can protect equipment inside.
The utility model discloses a theory of operation and use flow: when the device is used, the device is fixed on a building through the fixing seat 9, then the device is connected with the control device, the ambient light sensor 16 can monitor the brightness of the external ambient light in real time, when the ambient brightness does not meet the requirement, the light supplementing lamp 5 supplements light to enable the face recognition camera 3 and the wide-angle camera 15 to shoot clear face images, the infrared camera 4 can shoot and collect temperature information of the face, the three-dimensional laser scanner 1 can carry out point cloud collection on the face to enable the feature information of the face to be accurately collected, so that the device can guarantee the accuracy and speed of recognition when recognizing the face, when a face situation that is not clearly shot is met, the servo motor 11 can drive the second gear 14 to rotate through the first gear 13 to enable the shell 7 to rotate around the rotating shaft 10, and then adjust face identification camera 3, infrared camera 4, wide-angle camera 15 and three-dimensional laser scanner 1 and carry out angle modulation on the vertical direction for equipment can track the shooting to the personnel face that shoots the ambiguity, guarantees the collection precision of point cloud, guarantees the matching accuracy of device to the three-dimensional information of people's face.
The above description is only a further embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution and the concept of the present invention within the scope of the present invention.
Claims (8)
1. A face recognition device based on three-dimensional point cloud is characterized in that: the human face recognition device comprises a fixed seat (9), a suspension bracket (6) and a transmission case (12), wherein the suspension bracket (6) is arranged at the center of the lower side of the fixed seat (9), the transmission case (12) is arranged on one side of the suspension bracket (6), a servo motor (11) is arranged on one side, away from the suspension bracket (6), of the transmission case (12), a first gear (13) is arranged on the inner upper side of the transmission case (12), a second gear (14) is arranged on the lower side of the first gear (13), a shell (7) is arranged on the inner side of the suspension bracket (6), rotating shafts (10) are arranged on two sides, close to the suspension bracket (6), of the shell (7) in a penetrating mode, an ambient light sensor (16) is arranged on the upper side of the shell (7), a human face recognition camera (3) is arranged at the center of the inner side of the shell (, keep away from face identification camera (3) infrared camera (4) one side is provided with wide angle camera (15), shell (7) are provided with the four corners of face identification camera (3) one side is provided with light filling lamp (5), shell (7) downside center is provided with connecting seat (8), connecting seat (8) lower extreme is provided with three-dimensional laser scanner (1), three-dimensional laser scanner (1) one side center is provided with record camera (17), record camera (17) bilateral symmetry is provided with lens (2) about.
2. The device for recognizing human face based on three-dimensional point cloud as claimed in claim 1, wherein: the fixing seat (9) is connected with the suspension bracket (6) in a clamping mode, the suspension bracket (6) is connected with the shell (7) through the rotating shaft (10), and the shell (7) is connected with the ambient light sensor (16) through a clamping groove.
3. The device for recognizing human face based on three-dimensional point cloud as claimed in claim 1, wherein: shell (7) with face identification camera (3) are connected through the block, infrared camera (4) with shell (7) are connected through the draw-in groove, wide angle camera (15) with shell (7) are connected through the draw-in groove.
4. The device for recognizing human face based on three-dimensional point cloud as claimed in claim 1, wherein: the light supplement lamp (5) is connected with the shell (7) through clamping, the rotating shaft (10) is connected with the suspension bracket (6) through a bearing, and the rotating shaft (10) is connected with the second gear (14) through a key.
5. The device for recognizing human face based on three-dimensional point cloud as claimed in claim 1, wherein: the servo motor (11) is connected with the transmission case (12) through a screw, the servo motor (11) is connected with the rotating shaft (10) through the first gear (13) and the second gear (14), and the first gear (13) is meshed with the second gear (14).
6. The device for recognizing human face based on three-dimensional point cloud as claimed in claim 1, wherein: the shell (7) with three-dimensional laser scanner (1) passes through connecting seat (8) are connected, three-dimensional laser scanner (1) with connecting seat (8) pass through the screw connection, three-dimensional laser scanner (1) with record camera (17) pass through the draw-in groove and connect.
7. The device for recognizing human face based on three-dimensional point cloud as claimed in claim 1, wherein: lens (2) with three-dimensional laser scanner (1) block is connected, infrared camera (4) with wide angle camera (15) are in face identification camera (3) bilateral symmetry sets up.
8. The device for recognizing human face based on three-dimensional point cloud as claimed in claim 1, wherein: the material of the fixed seat (9) is the same as that of the suspension bracket (6), and the suspension bracket (6) is of a U-shaped structure.
Priority Applications (1)
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CN202020972269.7U CN211956511U (en) | 2020-06-01 | 2020-06-01 | Face recognition device based on three-dimensional point cloud |
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CN202020972269.7U CN211956511U (en) | 2020-06-01 | 2020-06-01 | Face recognition device based on three-dimensional point cloud |
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CN202020972269.7U Expired - Fee Related CN211956511U (en) | 2020-06-01 | 2020-06-01 | Face recognition device based on three-dimensional point cloud |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113108222A (en) * | 2021-04-15 | 2021-07-13 | 济南中维世纪科技有限公司 | Image acquisition device based on combination of video monitoring and infrared |
-
2020
- 2020-06-01 CN CN202020972269.7U patent/CN211956511U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113108222A (en) * | 2021-04-15 | 2021-07-13 | 济南中维世纪科技有限公司 | Image acquisition device based on combination of video monitoring and infrared |
CN113108222B (en) * | 2021-04-15 | 2022-10-04 | 济南中维世纪科技有限公司 | Image acquisition device based on combination of video monitoring and infrared |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201117 Termination date: 20210601 |