CN111209830A - Face recognition method and face recognition camera - Google Patents
Face recognition method and face recognition camera Download PDFInfo
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- CN111209830A CN111209830A CN201911407201.2A CN201911407201A CN111209830A CN 111209830 A CN111209830 A CN 111209830A CN 201911407201 A CN201911407201 A CN 201911407201A CN 111209830 A CN111209830 A CN 111209830A
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/161—Detection; Localisation; Normalisation
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- 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
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/168—Feature extraction; Face representation
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Abstract
The invention discloses a face recognition method and a face recognition camera, wherein the face recognition camera comprises a face recognition camera body and a base positioned below the face recognition camera body, a circular groove is formed in the top of the base, a disc is rotatably sleeved in the circular groove, a supporting rod is fixedly connected to one side of the top of the disc, a bottom plate is fixedly connected to the bottom of the face recognition camera body, one side of the bottom plate is hinged to the top end of the supporting rod, a rectangular pipe is fixedly connected to one side of the top of the disc, a first rectangular hole is formed in the other side of the bottom plate, and a rectangular rod is slidably sleeved in the rectangular. The invention is convenient for stably adjusting the inclination angle and the horizontal rotation orientation angle of the face recognition camera main body according to different personnel, has high stability, can improve the placing stability on the table-board when being used in a portable way by matching with the arrangement of the silica gel sucker, reduces the risk of damage caused by mistaken collision and falling, can meet the requirement of stable use, and is beneficial to use.
Description
Technical Field
The invention relates to the technical field of face recognition, in particular to a face recognition method and a face recognition camera.
Background
The face recognition is a biological recognition technology for carrying out identity recognition based on face feature information of people, and comprises the steps of collecting images or video streams containing faces by using a camera or a camera, automatically detecting and tracking the faces in the images, and further carrying out a series of related technologies of the faces on the detected faces, wherein the related technologies are generally called face recognition and face recognition;
the face recognition method and the face recognition camera disclosed in the authorization notice number CN110276314A, the face recognition method includes: acquiring image data, sending the image data to a coprocessor in real time for feature extraction, identifying the sex, age and feature value of a person by using an analysis technology, and comparing the feature value with the feature value in a face library to identify the identity of the face; the analysis information is sent to a main processor, the main processor locally maintains a face feature database after receiving the analysis information, and the face recognition camera comprises: the coprocessor acquires image data, performs feature extraction on the image data in real time, identifies the sex, age and feature value of a person by using an analysis technology, and compares the feature value with the feature value in a face library to identify the identity of the face; after receiving the analysis information, the main processor locally maintains a face feature database, wherein the extracted features comprise extracted face outline, face position coordinates and face rotation angles, and the new feature values are added into the face database, and the identity of the person can be recognized by capturing the face again; the double processors are economical in cost, each camera is an edge computing platform, data are processed while data are produced, network bandwidth pressure is relieved, server operation pressure is relieved, processing efficiency is improved, and data privacy is protected.
The face recognition method and the face recognition camera disclosed in the above patent still have some disadvantages, and when the camera is used in some places, it is inconvenient to stably adjust the inclination angle and the horizontal rotation orientation angle according to the actual requirement (for example, some counter, face collection recognition camera when card is transacted in each business hall, and face recognition collection when certificate is transacted or replaced, most of them adopt the face recognition camera), and in order to ensure the collection accuracy of people with different heights and sitting postures, it is necessary for people to finely adjust the up-down inclination angle and the horizontal orientation angle of the camera (although some bendable soft rods exist on the market to realize some adjustments, this method can only adapt to some occasions with low accuracy requirement, and the camera is easy to shake due to factors such as mistaken collision, dropping force of the camera itself, etc., causing the collection to be fuzzy and inaccurate), so that the situation that the requirement on stability is high cannot be met, and the phenomenon is improved, so a face recognition method and a face recognition camera are provided.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a face recognition method and a face recognition camera.
The invention provides a face recognition camera, which comprises a face recognition camera body and a base arranged below the face recognition camera body, wherein a circular groove is formed in the top of the base, a disc is sleeved in the circular groove in a rotating mode, a supporting rod is fixedly connected to one side of the top of the disc, a bottom plate is fixedly connected to the bottom of the face recognition camera body, one side of the bottom plate is hinged to the top end of the supporting rod, a rectangular pipe is fixedly connected to one side of the top of the disc, a first rectangular hole is formed in the other side of the bottom plate, a rectangular rod is sleeved in the rectangular pipe in a sliding mode, the top end of the rectangular rod extends into the first rectangular hole and is provided with a rectangular groove with two open sides, the same circular shaft is fixedly connected between the inner walls of the two sides of the rectangular groove, a cross, a groove is formed in one side of the bottom of the disc, a screw rod is rotatably mounted in the rectangular tube, a threaded hole is formed in the bottom end of the rectangular rod and is in threaded connection with the screw rod, the bottom end of the screw rod extends into the groove and is fixedly connected with a plastic bull gear, a knob is arranged on one side, away from the support rod, of the rectangular tube, a square rod is fixedly connected to the bottom end of the knob, the bottom end of the square rod extends into the groove and is rotatably mounted with a moving rod which is in movable contact with the bottom of the disc, a square tube is slidably sleeved on the square rod, a plastic pinion meshed with the plastic bull gear is fixedly sleeved on the square tube, a fixed seat is fixedly connected to the inner wall of one side of the groove, an L-shaped positioning rod located in the groove is fixedly connected to the top of the moving rod, the fixed seat is slidably sleeved, fixed mounting has the ring in the circular slot, and the bottom bonding of ring is fixed with anti-skidding rubber ring, and the disc is located ring and anti-skidding rubber ring, a plurality of sharp pieces of top one side fixedly connected with of carriage release lever, and the most advanced of sharp piece and one side in close contact with in bottom of anti-skidding rubber ring, the bottom central point position nestification of disc has round ball, and the bottom of round ball and the bottom inner wall rolling contact of circular slot, and the bottom four corners of base all bonds and is fixed with the silica gel sucking disc.
Preferably, a large bearing is fixedly sleeved in the circular groove, and the inner side of an inner ring of the large bearing is fixedly connected with the outer side of the disc.
Preferably, a first round hole and a second round hole are formed in the inner wall of the top of the groove, a first bearing is fixedly sleeved in the first round hole, the inner side of the inner ring of the first bearing is fixedly welded with four edges of the outer side of the square pipe, the screw rod is located in the second round hole, and the inner wall of the second round hole is not in contact with the outer side of the screw rod.
Preferably, a square hole is formed in the top of the plastic pinion, and the inner wall of the square hole is fixedly bonded with the outer side of the square pipe.
Preferably, the other side of the top of the moving rod is fixedly connected with a second bearing, and the inner side of an inner ring of the second bearing is welded and fixed with four corners of the outer side of the square rod.
Preferably, a second rectangular hole is formed in the top of the fixing seat, and the inner wall of the second rectangular hole is in sliding connection with the outer side of the L-shaped positioning rod.
Preferably, the same third bearing is fixedly connected between the inner walls of the two sides of the rectangular pipe, and the inner side of the inner ring of the third bearing is fixedly connected with the outer side of the screw rod.
Preferably, a third rectangular hole is formed in the inner wall of one side of the first rectangular hole, and the inner wall of the third rectangular hole is in sliding connection with the outer side of the cross rod.
Preferably, a third round hole is formed in the front side of the cross rod, a fourth bearing is fixedly sleeved in the third round hole, and an inner ring of the fourth bearing is fixedly sleeved on the outer side of the round shaft.
The embodiment also provides a face recognition method of the face recognition camera, which comprises the following steps:
s1: according to different heights or because the body defects of the people can not ensure accurate sitting posture, the up-down inclination angle or the horizontal orientation angle of the main body of the face recognition camera needs to be adjusted;
s2: firstly, when the up-down inclination angle is adjusted, a knob is rotated, the knob drives a square rod to rotate at the top of a movable rod, the square rod drives a plastic pinion to rotate through a square pipe, the plastic pinion drives a screw to rotate through a plastic bull gear, the screw can drive the rectangular rod to slide up and down in the rectangular pipe, the rectangular rod drives a round shaft to move up and down, the round shaft drives a bottom plate to rotate up and down at the top end of a supporting rod through a cross rod, the bottom plate drives a face recognition camera body to rotate up and down for adjustment, the up-down inclination angle of the face recognition camera body is changed, and the purpose;
s3: when the horizontal orientation angle is adjusted, the knob is pressed downwards, the knob drives the square rod to slide downwards in the square tube, the square rod drives the movable rod to move downwards, the movable rod drives the L-shaped positioning rod to compress the spring downwards, the movable rod drives the plurality of sharp blocks to be separated from the bottom of the anti-skid rubber ring, the movable knob drives the disc to rotate through the matching of the square rod and the square tube, the disc drives the L-shaped positioning rod to rotate through the fixing seat, the L-shaped positioning rod drives the movable rod and the plurality of sharp blocks to rotate, the disc also drives the bottom plate to rotate through the supporting rod and the rectangular tube, the bottom plate drives the human face recognition camera body to rotate horizontally, the horizontal orientation angle can be finely adjusted, after the adjustment is proper, the pressure on the knob is released, the spring in a compression state resets and drives the movable rod to move upwards through the L-shaped positioning rod, the movable rod drives the, under the friction force of the plurality of sharp blocks and the anti-skid rubber ring, the movable rod can be stably limited, and the movable rod limits the fixed seat through the L-shaped positioning rod, so that the purpose of fixing the disc is realized, and the purposes of conveniently adjusting the horizontal orientation angle and timely and stably fixing after adjustment are achieved;
s4: when the horizontal orientation angle and the vertical inclination angle of the face recognition camera body are adjusted properly, a coprocessor and a main processor are arranged in the face recognition camera body, the coprocessor acquires image data, performs feature extraction on the image data in real time, identifies the sex, the age and the feature value of a person by using an analysis technology, compares the feature value with the feature value in a face library to identify the identity of the face, sends analysis information to the main processor, the main processor locally maintains the face feature database after receiving the analysis information, sends the image data to the coprocessor in real time for feature extraction, extracts features including the contour of the extracted face, the position coordinates of the face and the rotation angle of the face, adds a new feature value into the face library, captures the face again to identify the identity of the person, after the main processor receives the analysis information, the main processor can maintain a face feature database locally, and can synchronize data with the cloud actively or passively.
Compared with the prior art, the invention is convenient for stably adjusting the inclination angle and the horizontal rotation orientation angle of the face recognition camera main body according to different personnel, has high stability, can improve the stability of placing on the table-board when being used in a portable way by matching with the arrangement of the silica gel sucker, reduces the risk of mistaken collision, falling and damage, can meet the requirement of stable use, and is beneficial to use.
Drawings
Fig. 1 is a schematic structural diagram of a face recognition camera according to the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
FIG. 3 is an enlarged view of part A of FIG. 2;
FIG. 4 is an enlarged view of the portion B of FIG. 2;
FIG. 5 is a schematic top view of the base, large bearing and disk connector of the face recognition camera of the present invention;
fig. 6 is a schematic perspective view of a ring and an anti-slip rubber ring connector of the face recognition camera according to the present invention.
In the figure: the camera comprises a face recognition camera body 1, a base 2, a silica gel sucker 3, a circular groove 4, a disc 5, a support rod 6, a rectangular tube 7, a first rectangular hole 8, a rectangular rod 9, a rectangular groove 10, a circular shaft 11, a cross rod 12, a groove 13, a screw rod 14, a plastic bull gear 15, a knob 16, a square rod 17, a movable rod 18, a square tube 19, a plastic pinion 20, a fixed seat 21, a positioning rod 22L, a spring 23, a circular ring 24, an anti-skid rubber ring 25, a sharp block 26, a circular ball 27, a large bearing 28 and a bottom plate 29.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Examples
Referring to fig. 1-6, the embodiment provides a face recognition camera, including a face recognition camera body 1 and a base 2 located below the face recognition camera body 1, the top of the base 2 is provided with a circular groove 4, and a circular plate 5 is rotatably sleeved in the circular groove 4, one side of the top of the circular plate 5 is fixedly connected with a support rod 6, the bottom of the face recognition camera body 1 is fixedly connected with a bottom plate 29, one side of the bottom plate 29 is hinged with the top end of the support rod 6, one side of the top of the circular plate 5 is fixedly connected with a rectangular tube 7, the other side of the bottom plate 29 is provided with a first rectangular hole 8, the rectangular tube 7 is sleeved with a rectangular rod 9 in a sliding manner, the top end of the rectangular rod 9 extends into the first rectangular hole 8 and is provided with a rectangular groove 10 with two sides, a cross rod 12 is slidably sleeved on a round shaft 11, one end of the cross rod 12 extends out of a rectangular groove 10, a bottom plate 29 is slidably sleeved on the cross rod 12, a groove 13 is formed in one side of the bottom of a disc 5, a screw rod 14 is rotatably mounted in the rectangular tube 7, a threaded hole is formed in the bottom end of a rectangular rod 9 and is in threaded connection with the screw rod 14, the bottom end of the screw rod 14 extends into the groove 13 and is fixedly connected with a plastic bull gear 15, a knob 16 is arranged on one side of the rectangular tube 7 away from a support rod 6, a square rod 17 is fixedly connected to the bottom of the knob 16, a moving rod 18 which is movably contacted with the bottom of the disc 5 is rotatably mounted in the bottom of the square rod 17, a square tube 19 is slidably sleeved on the square tube 17, the disc 5 is rotatably sleeved on the square tube 19, a plastic pinion 20 meshed with the plastic bull gear 15 is fixedly sleeved, the top of the moving rod 18 is fixedly connected with an L-shaped positioning rod 22 positioned in the groove 13, the fixed seat 21 is slidably sleeved on the L-shaped positioning rod 22, a plurality of springs 23 are fixedly connected between the inner wall of the top of the L-shaped positioning rod 22 and the top of the fixed seat 21, a circular ring 24 is fixedly arranged in the circular groove 4, an anti-slip rubber ring 25 is fixedly bonded at the bottom of the circular ring 24, the disc 5 is positioned in the circular ring 24 and the anti-slip rubber ring 25, a plurality of pointed blocks 26 are fixedly connected to one side of the top of the moving rod 18, the pointed ends of the pointed blocks 26 are tightly contacted with one side of the bottom of the anti-slip rubber ring 25, a circular ball 27 is nested at the central position of the bottom of the disc 5, the bottom of the circular ball 27 is in rolling contact with the inner wall of the bottom of the circular groove 4, and silica gel suckers 3 are fixedly bonded at four corners of the bottom of the base 2, stability is high, and the setting of cooperation silica gel sucking disc 3 can improve the stability of placing on the mesa when portable use, reduces the mistake and bumps the risk of the damage that drops, can satisfy the demand of stable use, is favorable to the use.
In this embodiment, a large bearing 28 is fixedly sleeved in the circular groove 4, the inner side of the inner ring of the large bearing 28 is fixedly connected with the outer side of the disc 5, a first round hole and a second round hole are formed on the inner wall of the top of the groove 13, the first bearing is fixedly sleeved in the first round hole, the inner side of the inner ring of the first bearing is welded and fixed with the four corners of the outer side of the square tube 19, the screw 14 is located in the second round hole, the inner wall of the second round hole is not in contact with the outer side of the screw 14, the top of the plastic pinion 20 is provided with a square hole, the inner wall of the square hole is fixedly bonded and fixed with the outer side of the square tube 19, the other side of the top of the movable rod 18 is fixedly connected with the second bearing, the inner side of the inner ring of the second bearing is welded and fixed with the four corners of the outer side of the square rod 17, the top of, the same third bearing is fixedly connected between the inner walls of the two sides of the rectangular tube 7, the inner side of an inner ring of the third bearing is fixedly connected with the outer side of the screw 14, a third rectangular hole is formed in the inner wall of one side of the first rectangular hole 8, the inner wall of the third rectangular hole is in sliding connection with the outer side of the cross rod 12, a third round hole is formed in the front side of the cross rod 12, a fourth bearing is fixedly sleeved in the third round hole, and the inner ring of the fourth bearing is fixedly sleeved with the outer side of the round shaft 11.
The invention also provides a face recognition method of the face recognition camera, which comprises the following steps:
s1: according to different heights or because the body defects of the people can not ensure accurate sitting posture, the up-down inclination angle or the horizontal orientation angle of the face recognition camera main body 1 needs to be adjusted;
s2: firstly, when the up-down inclination angle is adjusted, the knob 16 is rotated, the knob 16 drives the square rod 17 to rotate at the top of the moving rod 18, the square rod 17 drives the plastic pinion 20 to rotate through the square pipe 19, the plastic pinion 20 drives the screw 14 to rotate through the plastic bull gear 15, under the action of a threaded hole formed in the bottom end of the rectangular rod 9, the screw 14 rotates to drive the rectangular rod 9 to slide up and down in the rectangular tube 7, the rectangular rod 9 drives the round shaft 11 to move up and down, the round shaft 11 drives the bottom plate 29 to rotate up and down on the top end of the support rod 6 through the cross rod 12, in order to adapt to a rotating inclination angle, the cross rod 12 rotates on the round shaft 11 while moving up and slides in a third rectangular hole in the bottom plate 29, the bottom plate 29 drives the face recognition camera main body 1 to rotate up and down for adjustment, at the moment, the up-down inclination angle of the face recognition camera main body 1 changes, and the purpose of micro-adjusting;
s3: when the horizontal orientation angle needs to be adjusted slightly, the knob 16 is pressed downwards, the knob 16 drives the square rod 17 to slide downwards in the square tube 19, the square rod 17 drives the moving rod 18 to move downwards, the moving rod 18 drives the L-shaped positioning rod 22 to compress the spring 23 downwards, meanwhile, the moving rod 18 drives the plurality of sharp blocks 26 to separate from the bottom of the anti-skid rubber ring 25, at the same time, the moving knob 16 drives the disc 5 to rotate through the cooperation of the square rod 17 and the square tube 19, the disc 5 drives the L-shaped positioning rod 22 to rotate through the fixing seat 21, the L-shaped positioning rod 22 drives the moving rod 18 and the plurality of sharp blocks 26 to rotate, meanwhile, the disc 5 also drives the bottom plate 29 to rotate through the supporting rod 6 and the rectangular tube 7, the bottom plate 29 drives the face recognition camera body 1 to rotate horizontally, the horizontal orientation angle can be adjusted slightly, after the appropriate adjustment is carried out, the pressure on the knob 16 is released, at the moment, the spring 23, the movable rod 18 drives the tips of the plurality of sharp blocks 26 to squeeze the bottom of the anti-skid rubber ring 25 upwards, at the moment, under the friction force between the plurality of sharp blocks 26 and the anti-skid rubber ring 25, the movable rod 18 can be stably limited, the movable rod 18 limits the fixed seat 21 through the L-shaped positioning rod 22, so that the purpose of fixing the disc 5 is achieved, and the purposes of conveniently adjusting the horizontal orientation angle and timely and stably fixing after adjustment are achieved;
s4: when the horizontal orientation angle and the vertical inclination angle of the face recognition camera body 1 are adjusted properly, a coprocessor and a main processor are arranged in the face recognition camera body 1, the coprocessor acquires image data, performs feature extraction on the image data in real time, simultaneously utilizes an analysis technology to identify the sex, the age and the feature value of a person, compares the feature value with the feature value in a face database to identify the identity of the face, sends analysis information to the main processor, the main processor locally maintains the face feature database after receiving the analysis information, sends the image data to the coprocessor in real time to perform feature extraction, the extracted features comprise the extracted contour of the face, the position coordinates of the face and the rotation angle of the face, and also comprises the steps of adding a new feature value into the face database, and identifying the identity of the person by capturing the face again, after the main processor receives the analysis information, the main processor can maintain a face feature database locally, and can synchronize data with the cloud actively or passively.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A face recognition camera comprises a face recognition camera body (1) and a base (2) located below the face recognition camera body (1), and is characterized in that a circular groove (4) is formed in the top of the base (2), a disc (5) is sleeved in the circular groove (4) in a rotating mode, a supporting rod (6) is fixedly connected to one side of the top of the disc (5), a bottom plate (29) is fixedly connected to the bottom of the face recognition camera body (1), one side of the bottom plate (29) is hinged to the top end of the supporting rod (6), a rectangular pipe (7) is fixedly connected to one side of the top of the disc (5), a first rectangular hole (8) is formed in the other side of the bottom plate (29), a rectangular rod (9) is sleeved in the rectangular pipe (7), the top end of the rectangular rod (9) extends into the first rectangular hole (8) and is provided with a rectangular groove, the round shaft (11) is fixedly connected between the inner walls of the two sides of the rectangular groove (10), the round shaft (11) is sleeved with a cross rod (12) in a sliding mode, one end of the cross rod (12) extends out of the rectangular groove (10), the bottom plate (29) is sleeved on the cross rod (12) in a sliding mode, a groove (13) is formed in one side of the bottom of the disc (5), a screw rod (14) is installed in the rectangular pipe (7) in a rotating mode, a threaded hole is formed in the bottom end of the rectangular rod (9) and is in threaded connection with the screw rod (14), the bottom end of the screw rod (14) extends into the groove (13) and is fixedly connected with a plastic gear wheel (15), a knob (16) is arranged on one side, away from the supporting rod (6), of the rectangular pipe (7), a square rod (17) is fixedly connected to the bottom of the knob (16), the bottom end of the square rod (17) extends into the, a square pipe (19) is sleeved on the square rod (17) in a sliding manner, the disc (5) is rotatably sleeved on the square pipe (19), a plastic pinion (20) meshed with the plastic gear wheel (15) is fixedly sleeved on the square pipe (19), a fixing seat (21) is fixedly connected on the inner wall of one side of the groove (13), an L-shaped positioning rod (22) positioned in the groove (13) is fixedly connected at the top of the movable rod (18), the fixing seat (21) is slidably sleeved on the L-shaped positioning rod (22), a plurality of springs (23) are fixedly connected between the inner wall of the top of the L-shaped positioning rod (22) and the top of the fixing seat (21), a ring (24) is fixedly installed in the circular groove (4), an anti-slip rubber ring (25) is fixedly bonded at the bottom of the ring (24), the disc (5) is positioned in the ring (24) and the anti-slip rubber ring (25), a plurality of sharp blocks (26) are fixedly connected on one, and the most advanced of sharp piece (26) and the bottom one side in close contact with of antiskid rubber ring (25), the bottom central point of disc (5) puts nested round ball (27), and the bottom of round ball (27) and the bottom inner wall rolling contact of circular recess (4), and the bottom four corners of base (2) all bonds and is fixed with silica gel sucking disc (3).
2. The face recognition camera according to claim 1, characterized in that the circular groove (4) is fixedly sleeved with a large bearing (28), and the inner side of the inner ring of the large bearing (28) is fixedly connected with the outer side of the disc (5).
3. The face recognition camera according to claim 1, wherein a first round hole and a second round hole are formed in the inner wall of the top of the groove (13), a first bearing is fixedly sleeved in the first round hole, the inner side of an inner ring of the first bearing is fixedly welded with four corners of the outer side of the square tube (19), the screw (14) is located in the second round hole, and the inner wall of the second round hole is not in contact with the outer side of the screw (14).
4. The face recognition camera according to claim 1, wherein a square hole is formed at the top of the plastic pinion (20), and the inner wall of the square hole is fixedly bonded to the outer side of the square tube (19).
5. The face recognition camera according to claim 1, wherein a second bearing is fixedly connected to the other side of the top of the moving rod (18), and the inner side of the inner ring of the second bearing is welded and fixed with four corners of the outer side of the square rod (17).
6. The face recognition camera according to claim 1, wherein a second rectangular hole is formed in the top of the fixing base (21), and the inner wall of the second rectangular hole is slidably connected with the outer side of the L-shaped positioning rod (22).
7. The face recognition camera according to claim 1, wherein the same third bearing is fixedly connected between the inner walls of the two sides of the rectangular tube (7), and the inner side of the inner ring of the third bearing is fixedly connected with the outer side of the screw rod (14).
8. The face recognition camera according to claim 1, wherein a third rectangular hole is formed in an inner wall of one side of the first rectangular hole (8), and the inner wall of the third rectangular hole is slidably connected with the outer side of the cross bar (12).
9. The face recognition camera according to claim 1, wherein a third circular hole is formed in the front side of the cross bar (12), a fourth bearing is fixedly sleeved in the third circular hole, and an inner ring of the fourth bearing is fixedly sleeved on the outer side of the circular shaft (11).
10. The face recognition method of the face recognition camera according to claim 1, comprising the steps of:
s1: according to different heights or because the body defects of the people can not ensure accurate sitting posture, the up-down inclination angle or the horizontal orientation angle of the face recognition camera main body (1) needs to be adjusted;
s2: firstly, when the up-down inclination angle is adjusted, a knob (16) is rotated, the knob (16) drives a square rod (17) to rotate at the top of a moving rod (18), the square rod (17) drives a plastic pinion (20) to rotate through a square tube (19), the plastic pinion (20) drives a screw rod (14) to rotate through a plastic large gear (15), the screw rod (14) can drive a rectangular rod (9) to slide up and down in a rectangular tube (7) through rotation, the rectangular rod (9) drives a round shaft (11) to move up and down, the round shaft (11) drives a bottom plate (29) to rotate up and down at the top end of a supporting rod (6) through a cross rod (12), the bottom plate (29) drives a face recognition camera body (1) to rotate up and down for adjustment, the up-down inclination angle of the face recognition camera body (1) is changed, and the purpose;
s3: when the horizontal orientation angle is adjusted, the knob (16) is pressed downwards, the knob (16) drives the square rod (17) to slide downwards in the square tube (19), the square rod (17) drives the movable rod (18) to move downwards, the movable rod (18) drives the L-shaped positioning rod (22) to compress the spring (23) downwards, the movable rod (18) drives the plurality of sharp blocks (26) to be separated from the bottom of the anti-skid rubber ring (25), the movable knob (16) drives the disc (5) to rotate through the cooperation of the square rod (17) and the square tube (19), the disc (5) drives the L-shaped positioning rod (22) to rotate through the fixing seat (21), the L-shaped positioning rod (22) drives the movable rod (18) and the plurality of sharp blocks (26) to rotate, the disc (5) also drives the bottom plate (29) to rotate through the support rod (6) and the rectangular tube (7), the bottom plate (29) drives the face recognition camera main body (1) to rotate horizontally, the horizontal orientation angle can be finely adjusted, after the adjustment is proper, the pressure on the knob (16) is released, the spring (23) in a compressed state is reset and drives the movable rod (18) to move upwards through the L-shaped positioning rod (22), the movable rod (18) drives the tips of the plurality of sharp blocks (26) to squeeze the bottom of the anti-skid rubber ring (25) upwards, the movable rod (18) can be stably limited under the friction force of the plurality of sharp blocks (26) and the anti-skid rubber ring (25), the movable rod (18) limits the fixing seat (21) through the L-shaped positioning rod (22), and therefore the purpose of fixing the disc (5) is achieved, and the horizontal orientation angle can be conveniently adjusted and timely and stably fixed after adjustment is achieved;
s4: when the horizontal orientation angle and the vertical inclination angle of the face recognition camera body (1) are adjusted properly, a coprocessor and a main processor are arranged in the face recognition camera body (1), the coprocessor acquires image data, performs feature extraction on the image data in real time, identifies the sex, the age and the feature value of a person by using an analysis technology, compares the feature value with the feature value in a face library to identify the identity of the face, sends analysis information to the main processor, locally maintains the face feature database after receiving the analysis information, transmits the image data to the coprocessor to perform feature extraction in real time, extracts features including the contour of the extracted face, the position coordinates of the face and the rotation angle of the face, adds a new feature value into the face library, captures the face again and can identify the identity of the person, after the main processor receives the analysis information, the main processor can maintain a face feature database locally, and can synchronize data with the cloud actively or passively.
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