CN112001245A - Intelligent face recognition system - Google Patents
Intelligent face recognition system Download PDFInfo
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- CN112001245A CN112001245A CN202010698045.6A CN202010698045A CN112001245A CN 112001245 A CN112001245 A CN 112001245A CN 202010698045 A CN202010698045 A CN 202010698045A CN 112001245 A CN112001245 A CN 112001245A
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- 238000004140 cleaning Methods 0.000 claims description 22
- 238000012544 monitoring process Methods 0.000 claims description 16
- 238000007781 pre-processing Methods 0.000 claims description 16
- 238000012545 processing Methods 0.000 claims description 15
- 238000012937 correction Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000000605 extraction Methods 0.000 claims description 7
- 230000002457 bidirectional effect Effects 0.000 claims description 5
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 6
- 230000001815 facial effect Effects 0.000 description 4
- 230000000670 limiting effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000013528 artificial neural network Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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- G—PHYSICS
- 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
- G06V40/172—Classification, e.g. identification
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/10—Image acquisition
- G06V10/12—Details of acquisition arrangements; Constructional details thereof
- G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
- G06V10/141—Control of illumination
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/10—Image acquisition
- G06V10/12—Details of acquisition arrangements; Constructional details thereof
- G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
- G06V10/143—Sensing or illuminating at different wavelengths
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Abstract
The invention discloses an intelligent face recognition system, which relates to the technical field of face recognition and comprises a recognition shell, a sliding side shell, a mounting side plate, an angle adjusting rotating shaft, a connecting spring, a twisting spring, a face graphic information input module and a face graphic information acquisition module, wherein a pyroelectric infrared sensor and a high-definition camera are fixedly mounted inside the recognition shell, a display screen is embedded outside the recognition shell, and a bottom frame is fixedly mounted at the bottom of the recognition shell. The angle adjusting rotating shaft is arranged on the system device, the twisting spring is arranged outside the connecting shaft arranged at one end of the angle adjusting rotating shaft, one end of the twisting spring is fixedly connected with the inner groove through the spring tail strip, when the system device is used, the system device can be directly rotated to a proper identification position according to different heights or different positions of human faces, the identification requirements of different positions are met, the angle adjusting is simple and convenient, the design is ingenious, and the use is convenient.
Description
Technical Field
The invention relates to the technical field of face recognition, in particular to an intelligent face recognition system.
Background
With the development of social science and technology, various identification technologies are changing day by day, including identification technologies such as fingerprint, sound, facial recognition, wherein face identification is comparatively important component among the identification technology, and face identification is generally a high-end biotechnology of discerning to the facial feature of human, generally carries out portrait collection through the camera, carries out inside portrait contrast again, accomplishes holistic portrait identification process, realizes the identity of personage.
The prior patent (publication number: CN201710886439.2) discloses an intelligent face recognition system, which comprises an image acquisition module, an image preprocessing module, an image processing module, an image analysis matching module, an image recognition module and a display module, and finds the following problems in the prior art in the process of realizing the scheme, and does not get good solutions: 1. the system is a pure system scheme, has no structure as a support, cannot embody the main advantages of the face recognition mechanism, and has poor overall scheme effect; 2. different heights are inevitably met during face recognition, the angle adjusting process of the device is not involved in the file, and the using effect is poor; 3. this face identification technique does not generally have the intellectual detection system function, opens at every turn and needs the manual work to open the testing process, and is comparatively loaded down with trivial details, needs to carry out certain improvement.
Disclosure of Invention
The invention aims to solve the defects in the prior art, such as: the traditional face recognition technology can not be separated from a system device, the traditional face recognition system device is generally installed on a certain installation surface in a fixed mode, when the human face is identified, the angle and the position of the shooting of the human face are also fixed due to the fixity of the device, thereby being incapable of carrying out accurate face recognition on people with different heights, causing the recognition to have limitation, and the conventional face recognition system device is not provided with any quick cleaning mechanism on the outside, because the system device is generally positioned in an external environment, a plurality of stains on the lens need to be cleaned after long-time use, the identification precision is reduced, manual cleaning is needed, and the system device is troublesome, and the traditional face recognition technology generally does not have an intelligent detection function, so that the recognition structure is in an open state for a long time, the service life of the recognition structure is shortened, and the intelligent face recognition system is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
an intelligent face recognition system comprises a recognition shell, a sliding side shell, a mounting side plate, an angle adjusting rotating shaft, a connecting spring, a twisting spring, a face figure information input module and a face figure information acquisition module, wherein a pyroelectric infrared sensor and a high-definition camera are fixedly mounted inside the recognition shell, a display screen is mounted outside the recognition shell in an embedded mode, a bottom frame is fixedly mounted at the bottom of the recognition shell, the angle adjusting rotating shaft is rotatably mounted on the bottom frame through a connecting shaft, the connecting shaft is rotatably mounted in an inner groove formed in the bottom frame, and the twisting spring is fixedly mounted outside the connecting shaft;
the identification device comprises an identification shell, a side groove, a built-in sliding rail, a built-in sliding block, a sliding side shell, a connecting spring and a connecting spring, wherein the side groove is formed in the outer wall of each of two sides of the identification shell, the built-in sliding rail is fixedly mounted on the inner wall of each side groove, the built-in sliding block is provided with a sliding groove in a sliding mode, the sliding side shell is fixedly mounted on the built-in sliding block through a side connecting frame, the connecting spring is fixedly mounted inside each.
Furthermore, the detection end of the pyroelectric infrared sensor is located outside the identification shell, and the shooting end of the high-definition camera is located outside the identification shell.
Furthermore, an installation side plate is fixedly installed on one side wall of the angle adjusting rotating shaft through a connecting rod, and an installation screw is installed on the installation side plate in a threaded mode.
Furthermore, the other end of the twisting spring is fixedly provided with three spring tail strips, the spring tail strips are fixedly connected with the inner groove, and the number of the spring tail strips is three.
Further, the sliding side case is located outside the identification case.
Furthermore, a cleaning brush is fixedly arranged on one side surface of the sliding side shell, and the surface of the cleaning brush is contacted and extruded with the outer surface of the identification shell.
Furthermore, the display screen is installed in the outside of discernment casing is inlayed, the louvre has been seted up on the surface of chassis.
Further, the output end of the face graphic information acquisition module is electrically connected with the input end of the graphic information transmission module, the output end of the face graphic information input module is electrically connected with the input end of the information database, the output end of the graphic information transmission module is electrically connected with the input end of the graphic information preprocessing module, the output end of the graphic information preprocessing module is electrically connected with the input end of the graphic information characteristic extraction module, the output end of the graphic information characteristic extraction module is electrically connected with the input end of the information comparison module, and the information comparison module is electrically connected with the information database in a two-way mode.
Furthermore, the human face graphic information acquisition module comprises a pyroelectric infrared sensor, a human face intelligent monitoring module and a high-definition camera, wherein the output end of the pyroelectric infrared sensor is electrically connected with the input end of the human face intelligent monitoring module, the output end of the human face intelligent monitoring module is electrically connected with the input end of the single chip microcomputer, the output end of the single chip microcomputer is electrically connected with the input end of the high-definition camera, and the output end of the high-definition camera is electrically connected with the input end of the human face information shooting module.
Furthermore, the graphic information preprocessing module comprises a graphic gray scale correction module, a graphic definition processing module, a graphic brightness adjusting module and a graphic contrast adjusting module, wherein the graphic gray scale correction module is electrically connected with the graphic definition processing module in a bidirectional mode, the graphic definition processing module is electrically connected with the graphic brightness adjusting module in a bidirectional mode, and the graphic brightness adjusting module is electrically connected with the graphic contrast adjusting module in a bidirectional mode.
Compared with the prior art, the invention has the beneficial effects that:
(1) the system device is provided with the angle adjusting rotating shaft, the twisting spring is arranged outside the connecting shaft arranged at one end of the angle adjusting rotating shaft, one end of the twisting spring is fixedly connected with the inner groove through the spring tail strip, when the system device is used, the system device can be directly rotated to a proper identification position according to the human faces with different heights or different positions, the identification requirements of different positions are met, the angle adjustment is simple and convenient, the identification comprehensiveness of the system device can be ensured, and when the device is loosened, the system device can be driven to reset due to the restoration effect of the twisted twisting spring, the system device cannot occupy other spaces, and is ingenious in design and convenient to use.
(2) According to the system device, the slidable sliding side shell is arranged on the outer portion, the cleaning brush is arranged on the back face of the sliding side shell, the built-in sliding block is arranged on the side face of the sliding side shell through the side connecting frame and is connected with the side groove spring of the system device, before the device is used each time, the pyroelectric infrared sensor and the high-definition camera on the outer portion of the system device can be cleaned effectively through moving the sliding side shell, dust on the pyroelectric infrared sensor and the high-definition camera can be cleaned, the pyroelectric infrared sensor and the high-definition camera can be maintained, the using effect of the pyroelectric infrared sensor and the high-definition camera can be kept, the identification accuracy is improved, and after cleaning each time, the connecting spring can drive the sliding side shell to reset, and the display structure of the device cannot be shielded.
(3) According to the system, the intelligent face monitoring module is arranged in the intelligent face monitoring module, the pyroelectric infrared sensor can effectively sense the surrounding human body heat sources, when the human body heat sources are sensed to be close, the camera of the system device can be automatically started to perform face recognition work, otherwise, the camera of the system device can be automatically in a standby state, the intelligent work of the camera is realized, and the intelligence of the system is improved.
(4) According to the system, the graphic information preprocessing module is arranged in the system, after the face information is collected, the collected graphic information can be subjected to graphic gray correction, graphic definition processing, graphic brightness adjustment and graphic contrast adjustment, and the graphic quality is improved, so that the face recognition contrast accuracy is effectively improved, and the situation of poor shooting recognition failure is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a partial sectional view of a front view of a system apparatus of the present invention;
FIG. 2 is a side view of the system of the present invention after installation;
FIG. 3 is an enlarged schematic view of the system apparatus of the present invention at A;
FIG. 4 is a schematic block diagram of the system of the present invention;
FIG. 5 is a schematic view of a sub-module structure of a face image information acquisition module in the system module of the present invention;
FIG. 6 is a block diagram of a sub-module of the graphics information pre-processing module of the system module according to the present invention.
The list of components represented by the various reference numbers in the figures is as follows: 1-identifying a housing; 2-pyroelectric infrared sensor; 3-a high-definition camera; 4-a display screen; 5-cleaning with a brush; 6-a sliding side shell; 7-side link; 8, mounting a side plate; 9-mounting screws; 10-heat dissipation holes; 11-an angle adjustment shaft; 12-a connecting shaft; 13-side groove; 14-built-in slide block; 15-built-in slide rail; 16-connecting a spring; 17-a connecting rod; 18-an inner tank; 19-a torsion spring; 20-a chassis; 21-spring tail; 22-a human face graphic information input module; 23-a face graphic information acquisition module; 24-graphics information pre-processing module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-3, an intelligent face recognition system includes a recognition case 1, a sliding side case 6, a mounting side plate 8, an angle adjustment rotating shaft 11, a connecting spring 16, a twisting spring 19, a face figure information input module 22 and a face figure information acquisition module 23, wherein a pyroelectric infrared sensor 2 and a high-definition camera 3 are fixedly mounted inside the recognition case 1, a display screen 4 is mounted outside the recognition case 1 in an embedded manner, a bottom frame 20 is fixedly mounted at the bottom of the recognition case 1, the angle adjustment rotating shaft 11 is rotatably mounted on the bottom frame 20 through a connecting shaft 12, the connecting shaft 12 is rotatably mounted in an inner groove 18 formed inside the bottom frame 20, and the twisting spring 19 is fixedly mounted outside the connecting shaft 12;
the identification machine shell comprises an identification machine shell 1 and is characterized in that side grooves 13 are formed in the outer walls of two sides of the identification machine shell 1, built-in slide rails 15 are fixedly mounted on the inner walls of the side grooves 13, built-in slide blocks 14 with slide grooves are slidably mounted on the built-in slide rails 15, slide side shells 6 are fixedly mounted on the built-in slide blocks 14 through side connecting frames 7, connecting springs 16 are fixedly mounted inside the side grooves 13, and one ends of the connecting springs 16 are fixedly connected with the bottom ends of the built-in slide blocks 14.
The detection end of the pyroelectric infrared sensor 2 is positioned outside the identification shell 1, the shooting end of the high-definition camera 3 is positioned outside the identification shell 1, the accuracy of monitoring the pyroelectric infrared sensor 2 during working is greatly improved by positioning the detection end of the pyroelectric infrared sensor 2 outside the identification case 1, and by positioning the shooting end of the high-definition camera 3 outside the identification case 1, the shooting effect of the high-definition camera 3 can be effectively ensured, one side wall of the angle adjusting rotating shaft 11 is fixedly provided with a mounting side plate 8 through a connecting rod 17, the mounting side plate 8 is provided with a mounting screw 9 in a threaded manner, the mounting side plate 8 is provided with the mounting screw 9, when the face recognition device is fixedly mounted, the face recognition device can be fixedly mounted on the mounting surface through the mounting side plate 8 by the mounting screw 9.
The other end of the twisting spring 19 is fixedly provided with spring tail strips 21, the spring tail strips 21 are fixedly connected with the inner groove 18, the number of the spring tail strips 21 is three, when the twisting spring 19 is twisted and rotated, the spring tail strips 21 are fixedly connected with the inner groove 18, the spring tail strips 21 can limit the twisting spring 19 to a certain extent, the twisting spring 19 cannot rotate along with the twisting spring, only twisting can occur, when the twisting force is removed, the twisting spring 19 can automatically return, the limiting effect of the twisting spring 19 is greatly improved by the three spring tail strips 21, the sliding side shell 6 is positioned on the outer side of the identification shell 1, and the sliding side shell 6 can slide on the outer side of the identification shell 1 by positioning the sliding side shell 6 on the outer side of the identification shell 1.
A cleaning brush 5 is fixedly arranged on one side surface of the sliding side shell 6, the surface of the cleaning brush 5 is contacted and extruded with the outer surface of the identification machine shell 1, by installing the cleaning brush 5, the surface of the cleaning brush 5 is contacted with the outer surface of the identification machine shell 1 and extruded, when the sliding side shell 6 is moved, the cleaning brush 5 can effectively clean the pyroelectric infrared sensor 2, the high-definition camera 3 and the display screen 4 which identify the outer surface of the shell 1, so as to ensure the using effect of the pyroelectric infrared sensor 2, the high-definition camera 3 and the display screen 4, the exterior of the identification casing 1 is embedded with a display screen 4, the outer surface of the bottom frame 20 is provided with a heat dissipation hole 10, through installing display screen 4, can show some information in the display screen 4, through having seted up louvre 10, the heat that the device work produced can effectively be passed through louvre 10 and is dispelled.
Example 2
Referring to fig. 1-6, an intelligent face recognition system includes a recognition case 1, a sliding side case 6, a mounting side plate 8, an angle adjustment rotating shaft 11, a connecting spring 16, a twisting spring 19, a face figure information input module 22 and a face figure information acquisition module 23, wherein a pyroelectric infrared sensor 2 and a high-definition camera 3 are fixedly mounted inside the recognition case 1, a display screen 4 is mounted outside the recognition case 1 in an embedded manner, a bottom frame 20 is fixedly mounted at the bottom of the recognition case 1, the angle adjustment rotating shaft 11 is rotatably mounted on the bottom frame 20 through a connecting shaft 12, the connecting shaft 12 is rotatably mounted in an inner groove 18 formed inside the bottom frame 20, and the twisting spring 19 is fixedly mounted outside the connecting shaft 12;
the identification machine shell comprises an identification machine shell 1 and is characterized in that side grooves 13 are formed in the outer walls of two sides of the identification machine shell 1, built-in slide rails 15 are fixedly mounted on the inner walls of the side grooves 13, built-in slide blocks 14 with slide grooves are slidably mounted on the built-in slide rails 15, slide side shells 6 are fixedly mounted on the built-in slide blocks 14 through side connecting frames 7, connecting springs 16 are fixedly mounted inside the side grooves 13, and one ends of the connecting springs 16 are fixedly connected with the bottom ends of the built-in slide blocks 14.
The detection end of the pyroelectric infrared sensor 2 is positioned outside the identification shell 1, the shooting end of the high-definition camera 3 is positioned outside the identification shell 1, the accuracy of monitoring the pyroelectric infrared sensor 2 during working is greatly improved by positioning the detection end of the pyroelectric infrared sensor 2 outside the identification case 1, and by positioning the shooting end of the high-definition camera 3 outside the identification case 1, the shooting effect of the high-definition camera 3 can be effectively ensured, one side wall of the angle adjusting rotating shaft 11 is fixedly provided with a mounting side plate 8 through a connecting rod 17, the mounting side plate 8 is provided with a mounting screw 9 in a threaded manner, the mounting side plate 8 is provided with the mounting screw 9, when the face recognition device is fixedly mounted, the face recognition device can be fixedly mounted on the mounting surface through the mounting side plate 8 by the mounting screw 9.
The other end of the twisting spring 19 is fixedly provided with spring tail strips 21, the spring tail strips 21 are fixedly connected with the inner groove 18, the number of the spring tail strips 21 is three, when the twisting spring 19 is twisted and rotated, the spring tail strips 21 are fixedly connected with the inner groove 18, the spring tail strips 21 can limit the twisting spring 19 to a certain extent, the twisting spring 19 cannot rotate along with the twisting spring, only twisting can occur, when the twisting force is removed, the twisting spring 19 can automatically return, the limiting effect of the twisting spring 19 is greatly improved by the three spring tail strips 21, the sliding side shell 6 is positioned on the outer side of the identification shell 1, and the sliding side shell 6 can slide on the outer side of the identification shell 1 by positioning the sliding side shell 6 on the outer side of the identification shell 1.
A cleaning brush 5 is fixedly arranged on one side surface of the sliding side shell 6, the surface of the cleaning brush 5 is contacted and extruded with the outer surface of the identification machine shell 1, by installing the cleaning brush 5, the surface of the cleaning brush 5 is contacted with the outer surface of the identification machine shell 1 and extruded, when the sliding side shell 6 is moved, the cleaning brush 5 can effectively clean the pyroelectric infrared sensor 2, the high-definition camera 3 and the display screen 4 which identify the outer surface of the shell 1, so as to ensure the using effect of the pyroelectric infrared sensor 2, the high-definition camera 3 and the display screen 4, the exterior of the identification casing 1 is embedded with a display screen 4, the outer surface of the bottom frame 20 is provided with a heat dissipation hole 10, through installing display screen 4, can show some information in the display screen 4, through having seted up louvre 10, the heat that the device work produced can effectively be passed through louvre 10 and is dispelled.
The output end of the face graphic information acquisition module 23 is electrically connected with the input end of the graphic information transmission module, the output end of the face graphic information input module 22 is electrically connected with the input end of the information database, the output end of the graphic information transmission module is electrically connected with the input end of the graphic information preprocessing module 24, the output end of the graphic information preprocessing module 24 is electrically connected with the input end of the graphic information characteristic extraction module, the output end of the graphic information characteristic extraction module is electrically connected with the input end of the information comparison module, the information comparison module is electrically connected with the information database in a bidirectional mode, when the face graphic information input module 22 works, the face graphic information input module 22 can effectively record the face and transmit the information into the information database for storage, when the face recognition is carried out, the face graphic information acquisition module 23 can acquire the detected face information, the human face figure information acquisition module 23 comprises a pyroelectric infrared sensor 2, a human face intelligent monitoring module and a high-definition camera 3, wherein the output end of the pyroelectric infrared sensor 2 is electrically connected with the input end of the human face intelligent monitoring module, the output end of the human face intelligent monitoring module is electrically connected with the input end of a single chip microcomputer, the output end of the single chip microcomputer is electrically connected with the input end of the high-definition camera 3, and the output end of the high-definition camera 3 is electrically connected with the input end of the human face information shooting module, at ordinary times, the pyroelectric infrared sensor 2 in the intelligent human face monitoring module can effectively monitor the surrounding heat source bodies, thereby monitoring the human body moving to the vicinity of the identification device and realizing the automatic work and automatic stop of the device, the graphic information preprocessing module 24 comprises a graphic gray level correction module, a graphic definition processing module, a graphic brightness adjusting module and a graphic contrast adjusting module, the graphic gray level correction module is bidirectionally and electrically connected with the graphic definition processing module, the graphic definition processing module is bidirectionally and electrically connected with the graphic brightness adjusting module, the graphic brightness adjusting module is bidirectionally and electrically connected with the graphic contrast adjusting module, and the collected graphic information can be subjected to graphic gray level correction, graphic definition processing, graphic brightness adjustment and graphic contrast adjusting processing during the graphic information preprocessing module 24, and the image quality is improved, and the face recognition contrast accuracy is improved.
Some of the algorithmic formulas involved in face recognition are:
loss function design
The Loss function is used for the error of the predicted shape and the labeled shape of the neural network during each training, and considering the unbalance of the samples, the rare samples need to be given higher weight, and the weighted Loss function is expressed as:
m is the number of samples, N is the number of feature points, Yn is the different weights, | | | is the distance measure of the feature points (L1 or L2 distance). Further refinement of Yn (by replacing Greek letters in the formula with Y):
wherein:
i.e. the final sample weight.
K is 3, and this term represents three dimensions of the face pose, i.e. yaw, pitch, roll angle, and the higher the visible angle, the greater the weight.
C is the number of different face classes, the face is divided into a plurality of classes, such as side face, front face, head raising, head lowering, expression, occlusion and the like, w is given weight corresponding to the class, and if a certain class sample is few, the given weight is great.
It should be noted that: the model of the pyroelectric infrared sensor 2 can be RDA226-S, and the model of the single chip microcomputer can be AT89S 51.
In the invention, when the system device is installed, the face recognition device can be fixedly installed on an installation surface through the installation side plate 8 by the installation screw 9, when the system device is used, the face figure information input module 22 records the face in advance, and transmits the information to the information database for storage as source face data, when the face recognition is carried out, the pyroelectric infrared sensor 2 in the intelligent face monitoring module can effectively monitor the surrounding heat source bodies so as to monitor the human body moving to the vicinity of the recognition device, if the surrounding environment has human body temperature, the high-definition camera 3 is controlled to be automatically started, the high-definition camera 3 can collect the detected face information, the figure information transmission module transmits the information, the figure information preprocessing module 24 can effectively process the collected figure information, Optimizing, in the process of carrying out the graphic information preprocessing module 24, carrying out graphic gray correction, graphic definition processing, graphic brightness adjustment and graphic contrast adjustment processing on the collected graphic information, improving the graphic quality, improving the face recognition contrast accuracy, extracting the features in the optimized graphic information by the graphic information feature extraction module, uploading the information, and comparing the features by the information comparison module, thereby completing the whole face recognition process, before using the device each time, when moving the sliding side shell 6, the connecting spring 16 is stretched, because the surface of the cleaning brush 5 is contacted and extruded with the outer surface of the recognition case 1, the cleaning brush 5 can effectively clean the pyroelectric infrared sensor 2, the high-definition camera 3 and the display screen 4 on the outer surface of the recognition case 1, after cleaning, the sliding side shell 6 is loosened, connecting spring 16 loses the pulling force, drive slip side shell 6 and reset, when carrying out facial discernment, can adjust the device's angle according to the people of different heights, aim at discernment facial characteristic, but direct rotation discernment casing 1 makes connecting axle 12 rotate certain angle in inside groove 18, carry out face identification, in the rotation process because spring tail 21 can play certain restriction effect to wrench movement spring 19, wrench movement spring 19 can not follow the rotation, only can take place to wrench movement, when waiting to remove the power of twisting, wrench movement spring 19 can reply automatically to drive discernment casing 1 and reset.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. The utility model provides an intelligence face identification system, includes discernment casing (1), slip side shell (6), installation curb plate (8), angle modulation pivot (11), coupling spring (16), wrench movement spring (19), people's face figure information input module (22) and people's face figure information acquisition module (23), its characterized in that: the pyroelectric infrared sensor (2) and the high-definition camera (3) are fixedly mounted inside the identification case (1), the display screen (4) is mounted on the outside of the identification case (1) in an embedded mode, the bottom of the identification case (1) is fixedly mounted with an underframe (20), an angle adjusting rotating shaft (11) is rotatably mounted on the underframe (20) through a connecting shaft (12), the connecting shaft (12) is rotatably mounted in an inner groove (18) formed in the underframe (20), and a twisting spring (19) is fixedly mounted on the outside of the connecting shaft (12);
the identification machine shell comprises an identification machine shell (1) and is characterized in that side grooves (13) are formed in the outer walls of two sides of the identification machine shell (1), built-in sliding rails (15) are fixedly mounted on the inner walls of the side grooves (13), built-in sliding blocks (14) with sliding grooves are slidably mounted on the built-in sliding rails (15), sliding side shells (6) are fixedly mounted on the built-in sliding blocks (14) through side connecting frames (7), connecting springs (16) are fixedly mounted inside the side grooves (13), and one ends of the connecting springs (16) are fixedly connected with the bottom ends of the built-in sliding blocks (14).
2. The intelligent face recognition system according to claim 1, wherein the detection end of the pyroelectric infrared sensor (2) is located outside the recognition case (1), and the shooting end of the high definition camera (3) is located outside the recognition case (1).
3. The intelligent face recognition system according to claim 1, wherein a side wall of the angle adjustment rotating shaft (11) is fixedly provided with a mounting side plate (8) through a connecting rod (17), and the mounting side plate (8) is provided with a mounting screw (9) in a threaded manner.
4. The intelligent face recognition system according to claim 1, wherein the other end of the twisting spring (19) is fixedly provided with three spring tail strips (21), the spring tail strips (21) are fixedly connected with the inner groove (18), and the number of the spring tail strips (21) is three.
5. An intelligent face recognition system according to claim 1, wherein the sliding side housing (6) is located outside the recognition housing (1).
6. The intelligent face recognition system according to claim 1, wherein a cleaning brush (5) is fixedly mounted on one side surface of the sliding side shell (6), and the surface of the cleaning brush (5) is contacted and pressed with the outer surface of the recognition case (1).
7. The intelligent face recognition system according to claim 1, wherein a display screen (4) is mounted on the exterior of the recognition case (1) in an embedded manner, and heat dissipation holes (10) are formed in the outer surface of the bottom frame (20).
8. The intelligent face recognition system according to claim 1, wherein an output end of the face image information collection module (23) is electrically connected to an input end of an image information transmission module, an output end of the face image information input module (22) is electrically connected to an input end of an information database, an output end of the image information transmission module is electrically connected to an input end of an image information preprocessing module (24), an output end of the image information preprocessing module (24) is electrically connected to an input end of an image information feature extraction module, an output end of the image information feature extraction module is electrically connected to an input end of an information comparison module, and the information comparison module is electrically connected to the information database in a bidirectional manner.
9. The intelligent face recognition system according to claim 8, wherein the face graphic information acquisition module (23) comprises a pyroelectric infrared sensor (2), a face intelligent monitoring module and a high-definition camera (3), an output end of the pyroelectric infrared sensor (2) is electrically connected with an input end of the face intelligent monitoring module, an output end of the face intelligent monitoring module is electrically connected with an input end of a single chip microcomputer, an output end of the single chip microcomputer is electrically connected with an input end of the high-definition camera (3), and an output end of the high-definition camera (3) is electrically connected with an input end of the face information shooting module.
10. The intelligent face recognition system of claim 8, wherein the graphics information preprocessing module (24) comprises a graphics gamma correction module, a graphics sharpness processing module, a graphics brightness adjustment module, and a graphics contrast adjustment module, the graphics gamma correction module being electrically connected to the graphics sharpness processing module in both directions, the graphics sharpness processing module being electrically connected to the graphics brightness adjustment module in both directions, and the graphics brightness adjustment module being electrically connected to the graphics contrast adjustment module in both directions.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114333035A (en) * | 2022-01-05 | 2022-04-12 | 魏泽青 | Identity recognition system based on 5G network |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000001184U (en) * | 1998-06-22 | 2000-01-25 | 유무성 | LCD Liquid Crystal Display Angle Adjuster |
| KR100661051B1 (en) * | 2005-10-07 | 2006-12-26 | 피엠이케이(주) | Angle controlling apparatus of the camera for a rear observation of vehicle |
| CN201021627Y (en) * | 2007-01-27 | 2008-02-13 | 山西锦恒汽车部件有限公司 | Response time detection device for oil pressure leaf executor |
| CN207489041U (en) * | 2017-12-02 | 2018-06-12 | 王斌 | A kind of face identification device |
| CN109558802A (en) * | 2018-10-31 | 2019-04-02 | 云南电网有限责任公司昆明供电局 | Personal identification monitoring system and monitoring method in cable tunnel |
| CN109829998A (en) * | 2019-02-27 | 2019-05-31 | 江苏腾武信息技术有限公司 | A kind of schools attendance recording face identification terminal that stability is good |
| CN209525684U (en) * | 2019-04-07 | 2019-10-22 | 博高港(北京)科技有限公司 | Identification device is used in one kind acquisition Internet-based |
| CN210091201U (en) * | 2019-08-12 | 2020-02-18 | 乌鲁木齐明华智能电子科技有限公司 | Unmanned on duty wisdom terminal based on people's face payment |
| CN210428474U (en) * | 2019-09-10 | 2020-04-28 | 广州科升信息科技有限公司 | Face recognition all-in-one machine |
| CN111182234A (en) * | 2020-01-09 | 2020-05-19 | 淄博职业学院 | Face recognition method and device |
| CN111212203A (en) * | 2019-12-26 | 2020-05-29 | 中国科学院自动化研究所 | Self-adaptive face detection and recognition device |
| CN210771203U (en) * | 2019-10-29 | 2020-06-16 | 深圳市思创斯克电子有限公司 | Angle-adjustable face recognition equipment |
-
2020
- 2020-07-20 CN CN202010698045.6A patent/CN112001245A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000001184U (en) * | 1998-06-22 | 2000-01-25 | 유무성 | LCD Liquid Crystal Display Angle Adjuster |
| KR100661051B1 (en) * | 2005-10-07 | 2006-12-26 | 피엠이케이(주) | Angle controlling apparatus of the camera for a rear observation of vehicle |
| CN201021627Y (en) * | 2007-01-27 | 2008-02-13 | 山西锦恒汽车部件有限公司 | Response time detection device for oil pressure leaf executor |
| CN207489041U (en) * | 2017-12-02 | 2018-06-12 | 王斌 | A kind of face identification device |
| CN109558802A (en) * | 2018-10-31 | 2019-04-02 | 云南电网有限责任公司昆明供电局 | Personal identification monitoring system and monitoring method in cable tunnel |
| CN109829998A (en) * | 2019-02-27 | 2019-05-31 | 江苏腾武信息技术有限公司 | A kind of schools attendance recording face identification terminal that stability is good |
| CN209525684U (en) * | 2019-04-07 | 2019-10-22 | 博高港(北京)科技有限公司 | Identification device is used in one kind acquisition Internet-based |
| CN210091201U (en) * | 2019-08-12 | 2020-02-18 | 乌鲁木齐明华智能电子科技有限公司 | Unmanned on duty wisdom terminal based on people's face payment |
| CN210428474U (en) * | 2019-09-10 | 2020-04-28 | 广州科升信息科技有限公司 | Face recognition all-in-one machine |
| CN210771203U (en) * | 2019-10-29 | 2020-06-16 | 深圳市思创斯克电子有限公司 | Angle-adjustable face recognition equipment |
| CN111212203A (en) * | 2019-12-26 | 2020-05-29 | 中国科学院自动化研究所 | Self-adaptive face detection and recognition device |
| CN111182234A (en) * | 2020-01-09 | 2020-05-19 | 淄博职业学院 | Face recognition method and device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114333035A (en) * | 2022-01-05 | 2022-04-12 | 魏泽青 | Identity recognition system based on 5G network |
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