CN109978390A - Office efficiency assessment system and its method based on image recognition - Google Patents

Abstract

The present invention discloses a kind of office efficiency assessment system based on image recognition, equipment is obtained with application including application pre-processing device to connect, it is connect using mapping processing equipment with using pre-processing device, it is connect using Characteristic Contrast equipment with application mapping processing equipment and characteristic storage equipment, regionally detecting equipment is connect with using Characteristic Contrast equipment, applied analysis identifies equipment, connect respectively with application Characteristic Contrast equipment, characteristic storage equipment, regionally detecting equipment, height condition detection device.The present invention passes through the corresponding pressure scales of personnel and computer center height on screening seat, judge the pressure value detected in induction region whether in pressure data range, it is whether in running order to analyze staff, the statistical work time, to assess office efficiency, have the characteristics that accuracy is good, and computer center height is adjusted, guarantees that computer center is adjusted according to different personnel.

Description

Office efficiency evaluation system and method based on image recognition

technical field

The invention belongs to the technical field of image recognition, and relates to an office efficiency evaluation system and method based on image recognition.

Background technique

At present, the work intensity of the staff in the office is relatively high. Proper relaxation and rest can improve the enthusiasm and efficiency of the staff at work. However, some staff continue to do things unrelated to work during work, such as playing with mobile phones and going out. Even if the office staff is sitting on the seat, there may be a state of continuous non-working. In addition, due to the different heights of different staff, the height of the computer required to face the computer is also different. If the height of the computer is too high or too low, it will cause The cervical spine fatigue and other physical discomfort of the staff, in order to meet the height of the computer and the working efficiency of the staff in the office, an image recognition-based office efficiency evaluation system and method are designed.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an office efficiency evaluation system based on image recognition, by collecting images in the office, analyze whether each sub-image in each position image satisfies the signal-to-noise ratio threshold, and if so, the corresponding sub-image The feature is mapped into a feature vector, and the mapped feature vector is compared with the feature vector of each person, and the personnel number with the greatest similarity and satisfying the similarity threshold is screened, and the pressure value range and computer center height corresponding to the personnel number are screened. When If the pressure value detected in the sensing area is within the pressure value range, it means that the person is in working state, and the working time and office efficiency are counted. In addition, the computer center height is compared with the computer center height corresponding to the selected personnel to adjust the actual computer center height. The height of the computer meets the requirements of the computer height when the staff is working, which solves the problem that the work efficiency of the office staff cannot be monitored and evaluated in the existing office, resulting in poor work enthusiasm and low efficiency of the staff. The height of the computer is adaptively adjusted.

The object of the present invention can be realized through the following technical solutions:

An office efficiency evaluation system based on image recognition, including support for height-adjustable equipment, installed directly under the computer, for clamping and fixing the computer base, and adjusting the height of the computer screen based on the height difference between the staff's eyes and the computer center ;

The application acquisition device is set above the office area and used for shooting in the office to acquire the image of the application scene in the office, and output the image information;

The application preprocessing device is connected to the application acquisition device to receive the image of the application scene in the office, and perform differential Gaussian filtering processing on the image of the application scene to obtain the primary filtered image to reduce the influence of brightness changes on the image;

The application mapping processing device is connected with the application preprocessing device to receive the primary filtered image, divide the primary filtered image according to the office location of each person, and divide it into several position images, and divide each position image into several sub-images. image, analyze whether the signal-to-noise ratio of each sub-image in each position image is greater than the set signal-to-noise ratio threshold, if it is greater than, then extract the feature in the sub-image, and map the feature in the image to the corresponding feature vector, Otherwise, the image is not processed;

The application feature comparison device is connected with the application mapping processing device and the feature data storage device, and is used to extract all the feature vectors of the images of each position in the collected images, and compare the feature vectors with the feature vectors corresponding to each staff member in the feature data storage device one by one. Compare and count the similarity between the collected feature vector and the feature vector corresponding to each staff member stored in the feature data storage device, and filter the information of the staff with the largest similarity. When the maximum similarity screened is greater than the set similarity threshold , then output the number of the staff with the largest similarity, and send a processing signal to the area detection device at the same time, when the maximum similarity of the screening is less than the set similarity threshold, the data processing will not be performed;

The area detection device, connected with the application feature comparison device, is used to receive and process signals, detect the pressure in the sensing area, and determine whether the pressure in the sensing area is greater than the set pressure threshold, if the pressure is greater than the set pressure threshold , the working time is counted, if the pressure is less than the set pressure threshold, the working time is not counted;

The characteristic data storage device is used to pre-store the characteristic vector corresponding to each staff member in the office, the pressure value range of each staff on the sensing area when working, and the height of the computer center corresponding to the staff;

The height status detection device is installed on the upper end surface of the height-adjustable device to detect the distance from the upper end surface of the support height-adjustable device to the lower end surface of the support height-adjustable device in real time, and the upper end of the support height-adjustable device to the computer center The distance is a fixed value;

The application analysis and identification device is connected to the application feature comparison device, the feature data storage device, the area detection device, and the altitude state detection device, respectively. It is used to receive the number of the person sent by the application feature comparison device, and according to the person number, from the feature data storage device. Screen out the pressure value range corresponding to the person, and compare the screened pressure value range with the pressure sent by the regional detection equipment. Comparing the accumulated working hours of the staff with the prescribed working hours to obtain the office evaluation efficiency of each staff member; at the same time, according to the staff number, the corresponding computer center height of the staff is selected from the characteristic data storage device, and the selected The height of the computer center is compared with the height of the current computer center. When the height of the screened computer center is less than the current height of the computer center, a driving signal of height drop is sent to reduce the height of the current computer center. When the height of the selected computer center is greater than the current computer center height When , send the height rising drive signal to increase the current computer center height;

The height drive emergency adjustment device is respectively connected with the application analysis and identification device and the motor on the support height adjustable device to receive the height drop or rise drive signal, and drive and control the motor on the support height adjustable device until the selected one The height of the computer center corresponding to the person is equal to the current computer center height.

Further, the supporting height adjustable device includes a base, a height adjustment mechanism, a clamping mechanism and a power mechanism, the height adjustment mechanism is installed on the lower end face of the clamping mechanism, the power mechanism includes a motor and a circular gear, and the output end of the motor is connected to the circular gear. The gear is connected, and the circular gear meshes with the height adjustment mechanism, which drives the clamping mechanism to move up and down.

Further, the clamping mechanism includes an inner wall cylinder, an outer wall cylinder, a support base, a moving seat, a limit fixing plate, a plurality of first transmission rods, a second transmission rod, a clamping moving block and a connecting head, and the lower end surface of the inner wall cylinder is provided with a There are through holes;

The support base includes a support platform, a first limit stop ring and a plurality of first support columns, a blind hole is opened on the support platform, a first limit stop ring is arranged above the blind hole, and the first limit stop ring is supported by a number of first The column is connected to the support platform;

The movable seat includes a planetary table and a buffer spring. Several hinge blocks are distributed on the periphery of the planetary table. The hinge blocks are provided with hinged positioning holes. A telescopic rod is fixed on the lower end surface of the planetary table. The lower end of the telescopic rod is matched with the blind hole on the supporting platform. The buffer spring is sleeved on the telescopic rod;

The connector includes a hinged linkage column, two mutually parallel baffles are respectively fixed at both ends of the hinged linkage column, and a supporting hinge column is vertically fixed between the two baffles;

The first transmission rod includes a first connecting rod, and both ends of the first connecting rod are provided with sleeves, the sleeves are gap-fitted with the support hinges, and the sleeves rotate angularly around the support hinges;

The second transmission rod includes a second connection rod, one end of the second connection rod is provided with a hinged cylinder, the other end is fixed with a sliding column, the hinged cylinder and the hinged linkage column are gap-fitted, and the second transmission rod rotates around the hinged linkage column;

The clamping moving block includes a sliding guide plate and a T-shaped clamping plate. The sliding guide plate is fixed on the T-shaped clamping plate. One end of the sliding guide plate is provided with a U-shaped conducting groove, and the opposite end surface is provided with a notch, and the sliding column slides in the groove. , the T-type clamping plate moves to the axis of the inner wall cylinder under the action of the limit hole.

Further, a limit fixing plate is arranged between the inner wall tube and the outer wall tube, and a number of limit holes for limiting the moving direction of the T-shaped clamping plate are opened on the peripheral side of the limit fixing plate.

Further, the central axis of the support platform, the blind hole and the first limit stop ring are on the same straight line.

Further, a number of telescopic push rods are fixed on the planetary table, the upper end of the telescopic push rod is fixed with the lower end surface of the inner wall cylinder, and the lower end surface of the planetary table is provided with a second limit stop ring and a number of second support columns. The ring is connected with the lower end surface of the planetary table through a plurality of second support columns, and the plurality of second support columns are distributed on the peripheral side of the telescopic rod along the circumferential direction.

Further, the central axis of the planet platform, the telescopic rod, the second limit stop ring and the buffer spring are on the same straight line, the distance from the lower end face of the second limit stop ring to the planet platform, and the first limit stop ring. The sum of the distances from the end face to the bottom of the blind hole is less than the length of the telescopic rod at the minimum stroke, and the inner diameters of the first limit stop ring and the second limit stop ring are the same and larger than the outer diameter of the buffer spring.

Further, the width of the second connecting plate is less than or equal to the width of the U-shaped conduction groove, and the diameter of the sliding column is less than or equal to the width of the notch.

A method for evaluating office efficiency based on image recognition, comprising the following steps:

S1. Shooting in the office to obtain images of the application scene in the office;

S2. Perform differential Gaussian filtering processing on the application scene image in the office to obtain a primary filtered image;

S3. Divide the primary filtered image according to the position of the person into several position images, and divide the several position images into several sub-images;

S4. Determine whether the signal-to-noise ratio of each sub-image in the position image is greater than the set signal-to-noise ratio threshold. If it is greater than the set signal-to-noise ratio threshold, perform step S5; Each signal-to-noise ratio of the image is greater than the set signal-to-noise ratio threshold;

S5, extract the features in the sub-image, and map the features in the image into corresponding feature vectors;

S6. Extract all the feature vectors of each position image in the collected image, compare the feature vectors with the feature vectors corresponding to each staff member in the feature data storage device one by one, and count the collected feature vectors with the staff members stored in the feature data storage device. The similarity of the corresponding feature vectors;

S7. Judging that the maximum similarity of the screening is greater than the set similarity threshold, output the number of the staff with the largest similarity, and send a processing signal to the area detection device corresponding to the staff number. When the maximum similarity of the screening is less than the set similarity If the similarity threshold is set, the data processing will not be performed;

S8. The area detection device detects the pressure on the current sensing area, and judges whether the current pressure value is greater than the set pressure threshold. If it is greater than the set pressure threshold, the time statistics are performed, otherwise, the working time statistics are not performed;

S9. Detect the height of the computer center, and select the computer center height corresponding to the staff number from the characteristic data storage device, and compare the screened computer center height with the detected computer center height. If the detected computer center height is smaller than the screened computer center height If the computer center height is high, it will send the height rising drive signal, otherwise, it will send the height falling drive signal;

S10. Screen out the pressure value range corresponding to the staff number from the characteristic data storage device, and compare the pressure value range with the pressure detected by the detection equipment in the area. If the detected pressure is within the pressure data range, accumulate the number of staff members. working hours to obtain staff office evaluation efficiency.

Further, the number of the staff is the same as the number corresponding to the area detection equipment.

Beneficial effects of the present invention:

1. The office efficiency evaluation system based on image recognition provided by the present invention judges whether someone is working in front of the computer through the pressure value of the sensing area when the office worker is working, and according to the recorded pressure threshold corresponding to each office worker, which is convenient for the computer. Detect whether someone is working in front of the computer, which improves the efficiency of detection;

2. The scene in the office is collected, and the collected scene images are filtered, divided and mapped, the images of each position are extracted, and the images of each position are further divided into several sub-images, and the signal-to-noise ratio of the sub-images is judged. Whether the signal-to-noise ratio threshold requirements are met, once the signal-to-noise ratios of all sub-images in the position image meet the requirements, the features in the sub-images are extracted, and the extracted sub-image features are mapped into feature vectors, which is convenient for the extraction of position images. Conditional screening of the sub-images provided by the sub-image provides the accuracy and efficiency of image processing, and provides reliable features for the identification of later image features;

3. By comparing the feature vector of each sub-image in the extracted position image with the feature vector corresponding to each worker in the feature data storage device one by one, count the similarity with each worker, and judge whether the similarity is greater than the set similarity If it is greater than the degree threshold, the staff number with the greatest similarity will be screened and output, which improves the efficiency of staff screening;

4. Obtain the computer center height corresponding to the staff member in the characteristic data storage device, and judge the current computer center height. When the current computer center height is less than or greater than the stored computer center height corresponding to the person, the computer will be raised or lowered. In order to ensure that the computer center and the staff's eyes are on the same level, avoid the staff's irregular office sitting posture, reduce the incidence of cervical spondylosis, and improve the standardization and health of the staff's sitting posture;

5. By supporting the height adjustment mechanism and the clamping mechanism in the height-adjustable equipment and combining the power mechanism, when the height of the computer center is not at the same level as the human eyes, the height adjustment is performed to meet the free adjustment of the height, and the computer is placed in the clamping device. In the mechanism, the movable seat in the clamping mechanism moves downward under the action of the computer's gravity, and drives the first transmission rod and the second transmission rod to move downward through the connector, and the second transmission rod drives the clamping moving block to move downward. The limit hole of the limit fixing plate moves inward to the center to clamp the computer base, which improves the stability during the height adjustment process of the computer.

6. Based on the pressure value range in the sensing area of each staff member's location, compare the pressure value collected in each sensing area with the pressure data range in the sensing area corresponding to the person to determine whether the staff is in an office state. , Count the time of the office status, and then count the office efficiency during the working period, which is convenient to effectively analyze the working efficiency of the staff during the working period.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

Fig. 1 is the schematic diagram of supporting height adjustable equipment in the present invention;

Fig. 2 is the sectional view of supporting height adjustable equipment in the present invention;

Fig. 3 is the exploded view of supporting height adjustable equipment in the present invention;

4 is a schematic diagram of a partial connection in the present invention;

Fig. 5 is the schematic diagram of partial explosion in the present invention;

6 is a schematic diagram of a partial explosion in the present invention;

7 is a schematic diagram of a partial explosion in the present invention;

FIG. 8 is a schematic diagram of the structure of the clamping moving block in the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

An office efficiency evaluation system based on image recognition, including support for height-adjustable equipment, installed directly under the computer, for clamping and fixing the computer base, and adjusting the height of the computer screen based on the height difference between the staff's eyes and the computer center , which ensures that the height of the staff's eyes and the center of the computer screen is on the same level, providing the staff with neck comfort;

The application acquisition device is set above the office area and used for shooting in the office to acquire the image of the application scene in the office, and output the image information;

The application preprocessing device is connected to the application acquisition device to receive the image of the application scene in the office, and perform differential Gaussian filtering processing on the image of the application scene to obtain the primary filtered image to reduce the influence of brightness changes on the image;

The application mapping processing device is connected with the application preprocessing device to receive the primary filtered image, divide the primary filtered image according to the office location of each person, and divide it into several position images, and divide each position image into several sub-images. image, analyze whether the signal-to-noise ratio of each sub-image in each position image is greater than the set signal-to-noise ratio threshold, if it is greater than, then extract the feature in the sub-image, and map the feature in the image to the corresponding feature vector, Otherwise, the image is not processed;

The application feature comparison device is connected with the application mapping processing device and the feature data storage device, and is used to extract all the feature vectors of the images of each position in the collected images, and compare the feature vectors with the feature vectors corresponding to each staff member in the feature data storage device one by one. Compare and count the similarity between the collected feature vector and the feature vector corresponding to each staff member stored in the feature data storage device, and filter the information of the staff with the largest similarity. When the maximum similarity screened is greater than the set similarity threshold , then output the number of the staff with the largest similarity, and send a processing signal to the area detection device at the same time, when the maximum similarity of the screening is less than the set similarity threshold, the data processing will not be performed;

The area detection device, connected with the application feature comparison device, is used to receive and process signals, detect the pressure in the sensing area, and determine whether the pressure in the sensing area is greater than the set pressure threshold, if the pressure is greater than the set pressure threshold If the pressure is less than the set pressure threshold, the working time will not be counted. The pressure threshold refers to the pressure value when the staff does not generate pressure in the induction area. There is a pressure sensor in the induction area. In real-time detection of the pressure in the sensing area;

The characteristic data storage device is used to pre-store the characteristic vector corresponding to each staff member in the office, the pressure value range of each staff on the sensing area when working, and the height of the computer center corresponding to the staff;

The height status detection device is installed on the upper end surface of the height-adjustable device to detect the distance from the upper end surface of the support height-adjustable device to the lower end surface of the support height-adjustable device in real time, and the upper end of the support height-adjustable device to the computer center The distance is a fixed value;

The application analysis and identification device is connected to the application feature comparison device, the feature data storage device, the area detection device, and the altitude state detection device, respectively. It is used to receive the number of the person sent by the application feature comparison device, and according to the person number, from the feature data storage device. Screen out the pressure value range corresponding to the person, and compare the screened pressure value range with the pressure sent by the regional detection equipment. If the sent pressure is within the screened pressure value range, the working time of the person will be accumulated. The accumulated working time is compared with the specified working time to obtain the office evaluation efficiency of each staff member; at the same time, the computer center height corresponding to the person is selected from the characteristic data storage device according to the personnel number, and the selected computer center The height is compared with the current computer center height. When the screened computer center height is less than the current computer center height, a height drop drive signal is sent to reduce the current computer center height. When the screened computer center height is greater than the current computer center height, Then it sends a height-rising drive signal to improve the current computer center height, meet the requirements of different personnel for different computer screen heights, reduce the probability of cervical spondylosis, and improve the work efficiency of personnel. with statistics.

The height drive emergency adjustment device is respectively connected with the application analysis and identification device and the motor on the support height adjustable device to receive the height drop or rise drive signal, and drive and control the motor on the support height adjustable device until the selected one The height of the computer center corresponding to the person is equal to the current computer center height.

Among them, the supporting height-adjustable equipment, as shown in Figure 1-8, includes a base 1, a height adjustment mechanism 2, a clamping mechanism 3 and a power mechanism. The base 1 is provided with a mounting hole, and the upper end face of the base 1 is installed with a power mechanism. The power mechanism includes a motor 4 and a circular gear 5, and the output end of the motor 4 is connected with the circular gear 5;

The height adjustment mechanism 2 is a rack, the upper end of the rack is fixed with the bottom of the clamping mechanism 3, the rack cooperates with the circular gear 5, the circular gear 5 is driven to rotate by the motor 4, and the circular gear 5 drives the rack to move up and down.

The clamping mechanism 3 includes an inner wall cylinder 31, an outer wall cylinder 32, a support base 33, a moving seat 34, a limit fixing plate 38, a plurality of first transmission rods 35, a second transmission rod 36, a clamping moving block 37 and a connecting head 39, The cross section of the inner cylinder 31 is a truncated cone, the lower end surface of the inner wall cylinder 31 is provided with a conducting hole, a limit fixing plate 38 is arranged between the upper end surface of the inner wall cylinder 31 and the lower surface of the upper end surface of the outer wall cylinder 32, and the limit fixing plate 38 is on the peripheral side. There are several limit holes;

The support base 33 includes a support platform 331 , a first limit stop ring 334 and a plurality of first support columns 333 . The support platform 331 is provided with a blind hole 332 , and a first limit stop ring 334 is arranged above the blind hole 332 . The stop ring 334 is connected to the support platform 331 through a plurality of first support columns 333, wherein the central axes of the support platform 331, the blind hole 332 and the first stop ring 334 are on the same straight line;

The movable seat 34 includes a planetary table 341 and a buffer spring 348. A plurality of hinge blocks 342 are distributed on the periphery of the planetary table 341. The angle between two adjacent hinge blocks 342 is 90°. A number of telescopic push rods 344 are fixed on the upper end surface of the table 341, the upper end of the telescopic push rod 344 is fixed with the lower end surface of the inner wall cylinder 31, and the lower end surface of the planet table 341 is fixed with a telescopic rod 345, a second limit stop ring 347 and a number of second support columns 346 , the lower end of the telescopic rod 345 is matched with the blind hole 332 on the support platform 331, the second limit stop ring 347 is connected with the lower end surface of the planetary platform 341 through a plurality of second support columns 346, and the plurality of second support columns 26 are distributed in the circumferential direction. On the peripheral side of the telescopic rod 345, the buffer spring 348 is sleeved on the telescopic rod 345, and the central axis of the planetary table 341, the telescopic rod 345, the second limit stop ring 347 and the buffer spring 348 are on the same line, the second limit stop ring The sum of the distance from the lower end face of 347 to the planetary table 341 and the distance from the upper end face of the first limit stop ring 334 to the bottom of the blind hole 332 is less than the length of the telescopic rod 345 when it is in the minimum stroke. The inner diameter of the limit stop ring 347 is the same, and both are larger than the outer diameter of the buffer spring 348. The structural arrangement of the first limit stop ring 334 and the second limit stop ring 347 prevents the buffer paralysis 348 from appearing in the compression process. The problems of offset and uneven stress shorten the service life of the movable base 4 , facilitate the replacement of the buffer spring 348 , and increase the service life of the buffer spring 348 .

The connecting head 39 includes a hinged linkage column 391, two mutually parallel blocking pieces 292 are respectively fixed at both ends of the hinged linkage column 391, and a supporting hinge column 293 is vertically fixed between the two blocking pieces 392;

The first transmission rod 35 includes a first connecting rod 351. Both ends of the first connecting rod 351 are provided with sleeves 352. The sleeves 352 are in clearance fit with the support hinges 293, and the sleeves 352 can rotate angularly around the support hinges 293;

The second transmission rod 36 includes a second connecting rod 361, one end of the second connecting rod 361 is provided with a hinge cylinder 362, and the other end is fixed with a sliding column 363, the hinge cylinder 362 is in clearance fit with the hinge linkage column 391, and the second transmission rod 36 can be wound around The hinged linkage column 391 rotates 360°;

The clamping moving block 37 includes a sliding guide plate 371 and a T-shaped clamping plate 372. The sliding guide plate 371 is vertically fixed on the T-shaped clamping plate 372. One end surface of the sliding guide plate 371 is provided with a U-shaped conducting groove 374, and the opposite end surface is provided with a groove. The opening 373, the two ends of the opening 373 are semicircular shapes, the sliding column 363 slides in the opening 373, wherein the width of the second connecting plate 361 is less than or equal to the width of the U-shaped conducting groove 374, and the diameter of the sliding column 363 is less than or equal to the groove The width of the opening 373, and the position of the T-shaped clamping plate 372 is limited by the limiting hole on the limiting fixed plate 38, and the T-shaped clamping plate 372 moves to the axis of the inner wall cylinder 31 under the action of the limiting hole.

The working principle of the support height adjustable mechanism:

The computer base is placed in the conducting hole of the inner wall cylinder 31, and is pressed against the moving seat 34 through the conducting hole, the moving seat 34 moves downward under the action of pressure, and the moving seat 34 drives the first The transmission rod 35 moves downward, the first transmission rod 35 drives the second transmission rod 36 to move downward through the connecting head 39, the buffer spring 348 is in a compressed state, and the clamping moving block 37 is in the limit hole of the limit fixing plate 38 and the first Under the action of the two transmission rods 36, the clamping moving block 37 is driven to move toward the axis close to the inner wall cylinder 31, so as to realize the fixing of the computer base. When the computer is picked up, the buffer spring 348 pushes the moving seat under the action of restoring elastic force. 34 moves up, the movable seat 34 drives the first transmission rod 35 to move through the connector 39, the first transmission rod 35 drives the second transmission rod 36 to move, and the second transmission rod 36 pushes the clamping moving block 37 away from the axis of the inner wall cylinder 31. move in the direction.

The motor 4 works, the output shaft of the motor 4 rotates to drive the circular gear 5 to work, and the circular gear 5 drives the height adjustment mechanism 2 to move up and down until the center of the computer screen and the staff's eyes are on the same plane.

A method for evaluating office efficiency based on image recognition, comprising the following steps:

S1. Shooting in the office to obtain images of the application scene in the office;

S2. Perform differential Gaussian filtering processing on the application scene image in the office to obtain a primary filtered image;

S3. Divide the primary filtered image according to the position of the person into several position images, and divide the several position images into several sub-images;

S4. Determine whether the signal-to-noise ratio of each sub-image in the position image is greater than the set signal-to-noise ratio threshold. If it is greater than the set signal-to-noise ratio threshold, perform step S5; Each signal-to-noise ratio of the image is greater than the set signal-to-noise ratio threshold;

S5, extract the features in the sub-image, and map the features in the image into corresponding feature vectors;

S6. Extract all the feature vectors of each position image in the collected image, compare the feature vectors with the feature vectors corresponding to each staff member in the feature data storage device one by one, and count the collected feature vectors with the staff members stored in the feature data storage device. The similarity of the corresponding feature vectors;

S7. Judging that the maximum similarity of the screening is greater than the set similarity threshold, output the number of the staff with the largest similarity, and send a processing signal to the area detection device corresponding to the staff number. When the maximum similarity of the screening is less than the set similarity If the similarity threshold is determined, the data processing will not be performed, wherein the number of the staff is the same as the number corresponding to the area detection equipment;

S8. The area detection device detects the pressure on the current sensing area, and judges whether the current pressure value is greater than the set pressure threshold. If it is greater than the set pressure threshold, the time statistics are performed, otherwise, the working time statistics are not performed;

S9. Detect the height of the computer center, and select the computer center height corresponding to the staff number from the characteristic data storage device, and compare the screened computer center height with the detected computer center height. If the detected computer center height is smaller than the screened computer center height If the computer center height is high, it will send the height rising drive signal, otherwise, it will send the height falling drive signal;

S10. Screen out the pressure value range corresponding to the staff number from the characteristic data storage device, and compare the pressure value range with the pressure detected by the detection equipment in the area. If the detected pressure is within the pressure data range, accumulate the number of staff members. working hours to obtain staff office evaluation efficiency.

The above content is only an example and description of the concept of the present invention. Those skilled in the art can make various modifications or supplements to the described specific embodiments or replace them in a similar manner, as long as they do not deviate from the concept of the invention. Or beyond the scope defined by the claims, all belong to the protection scope of the present invention.

Claims (10)

1. a kind of office efficiency assessment system based on image recognition, it is characterised in that: including supporting height-adjustable equipment, peace Immediately below computer, for being clamped height fixed and based on staff's eyes and computer center to computer base Difference carries out the adjusting of computer screen height；

Using equipment is obtained, the top of Administrative Area is set, for being answered to obtain in office to shooting in office With the image of scene, and export image information；

Using pre-processing device, equipment is obtained with application and is connect, for receiving the image of application scenarios in office, to applied field The image of scape carries out difference gaussian filtering process, obtains primary filtering image, reduces influence of the brightness change to image；

Using mapping processing equipment, it is connect with using pre-processing device, for receiving primary filtering image, to primary filtering image It is divided according to office location where everyone, is divided into several location drawing pictures, and divide to each position image, divided At several subgraphs, whether the signal-to-noise ratio for analyzing each subgraph in each position image is greater than the snr threshold of setting, if more than, The feature in subgraph is then extracted, and by the Feature Mapping in image at corresponding feature vector, conversely, then not to image It is handled；

It using Characteristic Contrast equipment, is connect with application mapping processing equipment and characteristic storage equipment, for extracting acquisition figure All feature vectors of each position image as in, and feature vector is corresponding with each staff in characteristic storage equipment Feature vector is compared one by one, and each staff stored in the feature vector of statistics gatherer and characteristic storage equipment The similarity of corresponding feature vector screens the information of the maximum staff of similarity, when the maximum similarity of screening is greater than The similarity threshold of setting, then export the number of the maximum staff of similarity, while sending processing signal to regionally detecting Equipment, when the maximum similarity of screening is less than the similarity threshold of setting, then without the processing of data；

Regionally detecting equipment is connect with using Characteristic Contrast equipment, for receiving processing signal, is detected suffered in the induction region Pressure, and judge whether pressure suffered by induction region is greater than the pressure threshold of setting, if pressure is greater than setting pressure threshold, The statistics of working time is then carried out, if pressure is less than setting pressure threshold, not statistical work time；

Characteristic stores equipment, for the corresponding feature vector of each staff in office, everyone to be stored in advance in work To the pressure scales of induction region and the corresponding computer center height of personnel when making；

Height condition detection device is mounted on the upper surface for supporting height-adjustable equipment, is used for real-time detection bearing height Adjustable apparatus upper surface is to the distance of bearing height adjustable apparatus lower end surface, and bearing height adjustable apparatus upper surface is arrived The distance of computer center is fixed numbers；

Applied analysis identifies equipment, stores equipment, regionally detecting equipment, height with application Characteristic Contrast equipment, characteristic respectively Spend condition detecting device connection, for receives apply Characteristic Contrast equipment transmission personnel number, according to the person number from The corresponding pressure scales of the personnel are filtered out in characteristic storage equipment, and by the pressure scales filtered out and area Domain detecting devices send pressure compare, if send pressure in the pressure scales of screening, cumulative statistics The working time of the personnel, the working time added up according to personnel compare with the defined work hours, to obtain each work Efficiency is assessed in the office of personnel；Meanwhile the corresponding electricity of the personnel is filtered out from characteristic storage equipment according to person number Brain centre-height, and the computer center height filtered out and current computer center height are compared, when the computer filtered out Centre-height is less than current computer center height, then sends height decline driving signal, to reduce current computer center height, when When the computer center height filtered out is greater than current computer center height, then sends height and rise driving signal, it is current to improve Computer center height；

Height driving emergency adjustment equipment identifies equipment with applied analysis respectively and the motor in height-adjustable equipment is supported to connect It connects, for receiving the down or up driving signal of height, drive control is carried out to the motor in bearing height adjustable apparatus, directly It is equal to current computer center height to the corresponding computer center height of personnel filtered out.

2. a kind of office efficiency assessment system based on image recognition according to claim 1, it is characterised in that: the branch Hold height-adjustable equipment, including pedestal (1), height adjustment mechanism (2), clamp system (3) and power mechanism, height adjustment machine Structure (2) is mounted on clamp system (3) lower end surface, and power mechanism includes motor (4) and Knucle-gear (5), the output end of motor (4) with Knucle-gear (5) connection, Knucle-gear (5) are meshed with height adjustment mechanism (2), and clamp system (3) is driven to move up and down.

3. a kind of office efficiency assessment system based on image recognition according to claim 2, it is characterised in that: the folder Tight mechanism (3) include inner wall cylinder (31), outer wall cylinder (32), support base (33), Mobile base (34), limit fixed disk (38) if, Dry first drive rod (35), the second drive rod (36), clamping movable block (37) and connector (39), inner wall cylinder (31) lower end surface are set There is via hole；

Support base (33) includes support platform (331), the first limit baffle ring (334) and several first support columns (333), support It is provided on platform (331) blind hole (332), is equipped with the first limit baffle ring (334) above blind hole (332), the first limit baffle ring (334) It is connect by several first support columns (333) with support platform (331)；

Mobile base (34) includes planet platform (341) and buffer spring (348), and several hinged blocks are distributed in planet platform (341) side (342), it is provided with hinged location hole (343) on hinged block (342), planet platform (341) lower end surface is fixed with telescopic rod (345), stretches Contracting bar (345) lower end is matched with the blind hole (332) on support platform (331), and buffer spring (348) is placed on telescopic rod (345) On；

Connector (39) includes hinged linkage post (391), and hinged linkage post (391) both ends are respectively fixed with two gears being parallel to each other Piece (292) is vertically and fixedly provided with support hinge post (293) between two baffles (392)；

First drive rod (35) includes first connecting rod (351), and first connecting rod (351) both ends are equipped with sleeve (352), sleeve (352) with support hinge post (293) clearance fit, sleeve (352) is around support hinge post (293) progress angle rotation；

Second drive rod (36) includes the second connecting rod (361), and the second connecting rod (361) one end is equipped with hinge barrels (362), another End is fixed with slide post (363), and hinge barrels (362) and hinged linkage post (391) clearance fit, the second drive rod (36) is around hinged Linkage post (391) is rotated；

Clamping movable block (37) includes sliding guide (371) and T-type clamping plate (372), and sliding guide (371) is fixed on T-type folder On tight plate (372), (371) one end face of sliding guide is provided with U-shaped conductance slot (374), and opposing end surface is provided with notch (373), sliding The axle center of column (363) sliding in notch (373), T-type clamping plate (372) inward wall cylinder (31) under the action of limit hole is moved It is dynamic.

4. a kind of office efficiency assessment system based on image recognition according to claim 3, it is characterised in that: in described Limit fixed disk (38) is equipped between wall cylinder (31) and outer wall cylinder (32), limit fixed disk (38) side is provided with several for restricted T The limit hole of type clamping plate (372) moving direction.

5. a kind of office efficiency assessment system based on image recognition according to claim 3, it is characterised in that: the branch Support the central axes of platform (331), blind hole (332) and the first limit baffle ring (334) on the same line.

6. a kind of office efficiency assessment system based on image recognition according to claim 1, it is characterised in that: the row Several flexible catch bars (344) are fixed on star platform (341), stretch catch bar (344) upper end and inner wall cylinder (31) lower end surface phase Fixed, planet platform (341) lower end surface is equipped with the second limit baffle ring (347) and several second support columns (346), the second limit baffle ring (347) it is connect by several second support columns (346) with planet platform (341) lower end surface, several second support columns (26) are circumferentially Directional spreding is in telescopic rod (345) side.

7. a kind of office efficiency assessment system based on image recognition according to claim 1, it is characterised in that: the row Star platform (341), telescopic rod (345), the second limit baffle ring (347) and buffer spring (348) central axes on the same line, Distance of the lower end surface of two limit baffle rings (347) to planet platform (341), the first limit baffle ring (334) upper surface to blind hole (332) The sum of the distance of bottom is less than length when telescopic rod (345) are in minimum stroke, the first limit baffle ring (334) and the second limit The internal diameter of baffle ring (347) is identical, and is all larger than the outer diameter of buffer spring (348).

8. a kind of office efficiency assessment system based on image recognition according to claim 1, it is characterised in that: described The width of two connecting plates (361) is less than or equal to the width of U-shaped conductance slot (374), and the diameter of slide post (363) is less than or equal to notch (373) width.

9. a kind of office efficiency appraisal procedure based on image recognition, it is characterised in that: the following steps are included:

S1, to being shot in office, to obtain the image of application scenarios in office；

S2, difference gaussian filtering process is carried out to application scenarios image in office, obtains primary filtering image；

S3, primary filtering image is divided by personnel positions, is divided into several location drawing pictures, and to several location drawing pictures into Row divides, and is divided into several subgraphs；

S4, judge whether the signal-to-noise ratio of each subgraph in location drawing picture is greater than the snr threshold of setting, if more than step is executed S5 executes step S1 conversely, not handling the location drawing picture then, up to each signal-to-noise ratio of each subgraph in location drawing picture It is all larger than the snr threshold of setting；

Feature in S5, extraction subgraph, and by the Feature Mapping in image at corresponding feature vector；

It is each in S6, all feature vectors for extracting each position image in acquisition image, feature vector and characteristic storage equipment The corresponding feature vector of staff is compared one by one, and is deposited in the feature vector of statistics gatherer and characteristic storage equipment The similarity of the corresponding feature vector of each staff of storage；

The maximum similarity that S7, judgement are screened is greater than the similarity threshold of setting, then exports the maximum staff's of similarity Number, while processing signal is sent to the corresponding regionally detecting equipment of staff number, when the maximum similarity of screening is small In the similarity threshold of setting, then without the processing of data；

S8, regionally detecting equipment detect pressure suffered by current induction region, and judge whether current pressure value is greater than and set Fixed pressure threshold, if more than the statistics of time then being carried out, conversely, then without the statistics of working time；

S9, the height for detecting computer center, and filter out staff from characteristic storage equipment and number corresponding computer Centre-height compares the computer center height of screening and the computer center of detection height, if the computer center of detection is high Degree is less than the computer center height of screening, then sends height and rise driving signal, conversely, sending height decline driving signal；

S10, staff is filtered out from characteristic storage equipment number corresponding pressure scales, and by pressure value The pressure that range is detected with the regionally detecting equipment compares, if the pressure of detection within the scope of pressure data, adds up to be somebody's turn to do The working time of number personnel, to obtain personnel's office assessment efficiency.

10. a kind of office efficiency appraisal procedure based on image recognition according to claim 1, it is characterised in that: described The number of staff number corresponding with regionally detecting equipment is identical one by one.