CN112263804A

CN112263804A - Standing long jump physical measurement equipment based on machine vision

Info

Publication number: CN112263804A
Application number: CN202011254792.7A
Authority: CN
Inventors: 孙紫阳; 刘芳
Original assignee: Jiangsu Fenghuang Intelligent Education Research Institute Co ltd
Current assignee: Jiangsu Fenghuang Intelligent Education Research Institute Co ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-01-26

Abstract

The invention relates to the technical field of automatic evaluation of standing long jump and discloses a standing long jump body measuring device based on machine vision, which comprises a first base, a second base, an android client control end, a long jump pad and a server terminal, wherein the upper surface of the second base is fixedly connected with a mounting plate, one side of the mounting plate is provided with a chute, one side of the chute is movably connected with a sliding rod, one side of the sliding rod is movably connected with a rotating plate, one side of the rotating plate is movably connected with a second claw bolt, one side of the rotating plate is fixedly connected with a fixing plate, the upper surface of the fixing plate is fixedly connected with a mounting table, one side of the mounting table is embedded with a second camera, and the android client control end is connected with the second camera through a signal line. The invention positions the effective landing frame, reminds the examinee of finishing recording, has simple operation structure, is convenient for autonomous test, reduces the labor cost, is convenient and quick, has accurate detection precision and improves the detection efficiency.

Description

Standing long jump physical measurement equipment based on machine vision

Technical Field

The invention relates to the technical field of automatic evaluation of standing long jump, in particular to a standing long jump physical testing device based on machine vision.

Background

As is known, the standing long jump automatic evaluation is a test which is required by all students in the beginning, middle and university in the national student physical health standard and requires specific action specifications, so that a very complicated work task is brought to a test teacher, the existing test mode mainly depends on manual test evaluation, the manual evaluation has subjective deviation, counting and timing errors, the large-scale test is easy to cause work fatigue and the standards are not uniform, so that the test result is unfair, therefore, the standing long jump physical testing equipment based on machine vision is provided, and the equipment is widely used in the field.

At present, most of the existing standing long jump physical measurement equipment based on machine vision has the following defects: the arrangement is complex, the detection precision is poor, the detection efficiency is low, and in conclusion, most of the existing standing long jump physical measurement equipment based on machine vision cannot well meet the actual needs.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides standing long jump body measurement equipment based on machine vision, which mainly solves the problems of complex arrangement, poor detection precision and low detection efficiency.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme:

the standing long jump physical measurement device based on machine vision comprises a first machine base, a second machine base, an android client control end, a long jump pad and a server terminal, wherein the upper surface of the second machine base is fixedly connected with a mounting plate, one side of the mounting plate is provided with a chute, one side of the chute is movably connected with a sliding rod, one side of the sliding rod is movably connected with a rotating plate, one side of the rotating plate is movably connected with a second goat's horn bolt, one side of the rotating plate is fixedly connected with a fixing plate, the upper surface of the fixing plate is fixedly connected with a mounting table, one side of the mounting table is embedded with a second camera, the android client control end and the second camera are connected through a signal line, the second camera is connected with the long jump pad through a signal line, the upper surface of the first machine base is fixedly connected with a telescopic rod, the top end of the telescopic rod is fixedly connected with a mounting base, and the, one side swing joint of bracing piece has the display, and the display passes through the signal line with tall and erect client control end of ann and is connected, one side of display has inlayed first camera, and first camera passes through the signal line with the display and is connected, and server terminal passes through the signal line with the display and is connected.

Further: one side swing joint of display and bracing piece has first goat's horn bolt.

On the basis of the scheme: one side of the mounting plate is provided with a sliding hole, and one side of the sliding hole is movably connected with a pressing plate.

As a still further scheme of the invention: one side of the pressing plate is movably connected with an adjusting knob, and the adjusting knob is in contact with the sliding rod.

Further: one side of the second base is electrically connected with a wire, and one end of the wire is electrically connected with a force calculating machine.

On the basis of the scheme: the force calculating machine is connected with the long jump pad and the first camera through signal lines, and is connected with the server terminal through the signal lines.

As a still further scheme of the invention: the upper surface of the long jump mat is coated with a plurality of identification lines.

Further: one side of the first base is electrically connected with a connecting wire, and the connecting wire is electrically connected with the second base.

On the basis of the scheme: one side of the display is embedded and installed with voice broadcast, and the voice broadcast is connected with the service meter terminal through a signal line.

(III) advantageous effects

Compared with the prior art, the invention provides the standing long jump body measuring equipment based on machine vision, which has the following beneficial effects:

1. through the setting of telescopic link and adjust knob, can adjust the height of first camera and display, can shoot comprehensive mat and people to make the picture as far as well as possible, operation structure is simple, has improved the flexibility of device.

2. Through the setting of first goat's horn bolt and second goat's horn bolt, can adjust the angle of display and second camera, and can come the height of second camera according to examinee's height to make things convenient for the examinee of different heights to carry out the standing long jump test work, the suitability is good, has improved the suitability of device.

3. Through the setting of second camera, can set up when long jump begins at examinee's, begin to record the fixed length video, examinee accomplishes the long jump during this period, and can fix a position effective frame that falls to the ground, records the completion back, reminds the examinee to finish, and operation structure is simple, is convenient for independently test, and detects the precision accurate, has improved detection efficiency.

4. Through the setting of the computer, can carry out data analysis to the long video of setting long jump shooting, and utilize the deep learning example to cut apart and carry out the analysis to the effective frame that obtains, judge the position of foothold at the reference line, according to the scale that the reference line set up in advance, obtain examinee's final score, reduced the cost of labor, convenient and fast has improved the practicality of device.

Drawings

Fig. 1 is a schematic perspective view of a standing long jump body measuring device based on machine vision according to the present invention;

FIG. 2 is a schematic side view of a standing long jump body-measuring device based on machine vision according to the present invention;

fig. 3 is a schematic top view of the standing long jump physical measurement device based on machine vision according to the present invention;

fig. 4 is a schematic diagram of a signal flow structure of the standing long jump physical measurement device based on machine vision according to the present invention.

In the figure: 1. a first base; 2. a telescopic rod; 3. a mounting seat; 4. a support bar; 5. a display; 6. a first ram's horn bolt; 7. a first camera; 8. a second frame; 9. mounting a plate; 10. a chute; 11. a slide hole; 12. a slide bar; 13. a rotating plate; 14. a fixing plate; 15. a second ram's horn bolt; 16. an installation table; 17. a second camera; 18. connecting a lead; 19. calculating a force machine; 20. pressing a plate; 21. adjusting a knob; 22. a long jump pad; 23. and marking the line.

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.

Referring to fig. 1-4, the standing long jump physical testing device based on machine vision comprises a first base 1, a second base 8, an android client control end, a long jump pad 22 and a server terminal, wherein a mounting plate 9 is fixed on the upper surface of the second base 8 through bolts, the second base 8 plays a role in mounting the mounting plate 9, a chute 10 is arranged on one side of the mounting plate 9, a sliding rod 12 is slidably connected on one side of the chute 10, a rotating plate 13 is rotatably connected on one side of the sliding rod 12, a second claw bolt 15 is threadedly connected on one side of the rotating plate 13, the second claw bolt 15 is rotated to enable the rotating plate 13 to rotate so as to drive a fixing plate 14 to rotate, and further the angle of the second camera 17 can be adjusted, a fixing plate 14 is fixed on one side of the rotating plate 13 through bolts, a mounting table 16 is fixed on the upper surface of the fixing plate 14 through bolts, and a second camera 17 is embedded on one side of the mounting table 16, the design of the second camera 17 can start to record a fixed length video when an examinee starts to set a long jump, the examinee finishes the long jump in the period, and can locate an effective landing frame, after the recording is finished, the examinee is reminded to finish the recording, the operation structure is simple, the test is conveniently and autonomously carried out, the detection precision is accurate, an android client control end is connected with the second camera 17 through a signal line, the second camera 17 is connected with the long jump pad 22 through a signal line, the upper surface of the first machine base 1 is fixed with the telescopic rod 2 through a bolt, the first machine base 1 plays a role in mounting the telescopic rod 2, the top end of the telescopic rod 2 is fixed with the mounting base 3 through a bolt, the upper surface of the mounting base 3 is fixed with the support rod 4 through a bolt, one side of the support rod 4 is rotatably connected with the display 5, the support rod 4 plays a role in supporting the display 5, the display 5 is connected with the android client control end through a signal line, one side of display 5 has inlayed first camera 7, first camera 7 passes through the signal line with display 5 and is connected, server terminal passes through the signal line with display 5 and is connected, begin to record the fixed length video through first camera 7 and second camera 17, the examinee accomplishes the long jump during this period, and must not walk about at will, record the completion back, remind the examinee to finish, secondly, carry out data analysis through computer 19 to the fixed length video, effective frame that falls to the ground is located, thereby give the server terminal on passing through the signal line with the score of examinee.

The display 5 is in threaded connection with a first goat's horn bolt 6 on one side of the support rod 4, the first goat's horn bolt 6 and a second goat's horn bolt 15 are designed, the angle between the display 5 and the second camera 17 can be adjusted, and the height of the second camera 17 can be adjusted according to the height of an examinee, so that the examinees with different heights can conveniently carry out standing jump test work, the applicability is good, one side of the mounting plate 9 is provided with a sliding hole 11, one side of the sliding hole 11 is in sliding connection with a pressing plate 20, one side of the pressing plate 20 is in rotating connection with an adjusting knob 21, the telescopic rod 2 and the adjusting knob 21 are designed, the heights of the first camera 7 and the display 5 can be adjusted, comprehensive cushions and people can be shot, the picture is as well as possible, the operation structure is simple, the adjusting knob 21 is in contact with the sliding rod 12, one side of the second machine base 8 is electrically connected with a lead, one end of the lead, the design of the computing machine 19 can analyze data of long videos shot at a fixed long jump, and the obtained effective frames are analyzed by utilizing the deep learning example division, the position of a foot-landing point on a reference line is judged, the final score of an examinee is obtained according to the preset scale of the reference line, the labor cost is reduced, the practicability of the device is conveniently and quickly improved, the computing machine 19 is connected with the long jump pad 22 and the first camera 7 through signal lines, the computing machine 19 is connected with a server terminal through the signal lines, a plurality of identification lines 23 are coated on the upper surface of the long jump pad 22, the edges of the identification lines 23 are utilized to conveniently detect the sensitive and regional reference lines, the calibration is completed, one side of the first base 1 is electrically connected with a connecting lead 18, the connecting lead 18 is electrically connected with the second base 8, one side of the display 5 is embedded and installed with voice broadcast, the server terminal uploads the voice broadcast to a voice broadcast device through the signal lines, the score of the examinee is reported through the voice broadcasting device, and the voice broadcasting device is connected with the service meter terminal through a signal line.

The working principle of the embodiment is as follows: when the device is used, firstly, before the standing jump body test, the second goat's horn bolt 15 is rotated, so that the rotating plate 13 can rotate, the fixing plate 14 is driven to rotate, and then the angle of the second camera 17 can be adjusted, secondly, the adjusting knob 21 is rotated, so that the pressing plate 20 can slide up and down on one side of the sliding hole 11, so that the sliding rod 12 can slide up and down on one side of the sliding groove 10, so that the height of the second camera 17 can be adjusted, the second camera 17 can shoot a jump pad 22 and the whole body of an examinee, the angle of the first camera 7 can be adjusted by rotating the first goat's horn bolt 6, and the height of the first camera 7 can be adjusted by the telescopic rod 2, after the angles and the heights of the first camera 7 and the second camera 17 are adjusted, an unmanned image on the jump pad 22 is collected by the first camera 7, then the examinee stands at one end of the jump pad 22 to prepare for standing jump, when the examinee takes off the jump and prepares, open display 5 and second camera 17 through the tall and erect client control end simultaneously, after the jump of standing the jump begins, begin to record the fixed length video through first camera 7 and second camera 17, the examinee accomplishes the jump during this period, and must not walk about at will, record the completion back, remind the examinee to finish, secondly, carry out data analysis to the fixed length video through computer 19, effective frame that falls to the ground is located, thereby give the server terminal on passing through the signal line with the examinee's score, the server terminal passes through the signal line with the score and uploads the voice broadcast ware, report out the examinee's score through the voice broadcast ware.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

In the description herein, it is to be noted that, unless expressly stated or limited otherwise, the terms "connected" and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection may be mechanical or electrical, and may be direct or indirect via an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, it is noted that relational terms such as first and second, and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The standing long jump physical measurement device based on machine vision comprises a first machine base (1), a second machine base (8), an android client control end, a long jump pad (22) and a server terminal, and is characterized in that the upper surface of the second machine base (8) is fixedly connected with a mounting plate (9), one side of the mounting plate (9) is provided with a sliding chute (10), one side of the sliding chute (10) is movably connected with a sliding rod (12), one side of the sliding rod (12) is movably connected with a rotating plate (13), one side of the rotating plate (13) is movably connected with a second claw bolt (15), one side of the rotating plate (13) is fixedly connected with a fixing plate (14), the upper surface of the fixing plate (14) is fixedly connected with an installation platform (16), one side of the installation platform (16) is embedded with a second camera (17), and the android client control end is connected with the second camera (17) through a signal line, and second camera (17) and long jump pad (22) are connected through the signal line, the last fixed surface of first frame (1) is connected with telescopic link (2), the top fixedly connected with mount pad (3) of telescopic link (2), the last fixed surface of mount pad (3) is connected with bracing piece (4), one side swing joint of bracing piece (4) has display (5), and display (5) and tall and erect customer control end through the signal line connection, one side of display (5) has inlayed first camera (7), and first camera (7) are connected with display (5) through the signal line, and the server terminal is connected with display (5) through the signal line.

2. The machine-vision-based standing jump physical testing device of claim 1, wherein: one side of the display (5) and one side of the supporting rod (4) are movably connected with a first claw bolt (6).

3. The machine-vision-based standing jump physical testing device of claim 1, wherein: one side of the mounting plate (9) is provided with a sliding hole (11), and one side of the sliding hole (11) is movably connected with a pressing plate (20).

4. The machine-vision-based standing jump physical testing device of claim 3, wherein: one side of the pressure plate (20) is movably connected with an adjusting knob (21), and the adjusting knob (21) is in contact with the sliding rod (12).

5. The machine-vision-based standing jump physical testing device of claim 1, wherein: one side of the second base (8) is electrically connected with a lead, and one end of the lead is electrically connected with a computer (19).

6. The machine-vision-based standing jump physical testing device of claim 5, wherein: the force calculating machine (19) is connected with the long jump pad (22) and the first camera (7) through signal lines, and the force calculating machine (19) is connected with the server terminal through the signal lines.

7. The machine-vision-based standing jump physical testing device of claim 1, wherein: the upper surface of the long jump pad (22) is coated with a plurality of identification lines (23).

8. The machine-vision-based standing jump physical testing device of claim 1, wherein: one side of the first base (1) is electrically connected with a connecting lead (18), and the connecting lead (18) is electrically connected with the second base (8).

9. The machine-vision-based standing jump physical testing device of claim 1, wherein: one side scarf joint of display (5) is installed voice broadcast, and voice broadcast passes through the signal line with the service meter terminal and is connected.