JP2000292144A - System for detecting human movement - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an apparatus and a method which judge wrong start (false start) by position-detecting and measuring human movement (action) on a start stand surely as the change amount of a physical quantity, and measuring the change amount. SOLUTION: This system for detecting human movement position-detects the movement of a man on a start stand for race with a detection sensor 2 installed in a roof 1 of the start stand, compares the result with the start signal from a start pistol 103 and a time forming means 104 via a measuring means 101, processes the output signal as the change amount of a physical quantity with a calculation/comparison/false start judging means 102, and outputs the data as the final output to a visual display (containing the display from an external output to a large image device) such as a print-out, a signal lamp and an LED or an audible display such as a buzzer.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a system for detecting the movement of a person, and more particularly to a system in which a competitor on a table, when starting in a swimming competition, moves on the table before the start signal of the starter. The present invention relates to a system that detects whether the user has moved or not and detects and compares the two.

[0002]

2. Description of the Related Art In a competition event, a start signal is left to the starter at the instruction of the chief judge, and the start of the race is started by the start signal. At this time, if the competitor on the start base is operating before the start signal, it is determined that the start is a false start (a false start). Especially in the 50m and 100m races,
Good start is an important point, and most competitors do very careful starting.

[0003] Also, since 1999, the International Swimming Federation (abbreviated FIN)
A) With the revision of the rules, the start system will be introduced once and the system will be adopted for the World Swimming Championships and the Olympic Games. Current star
The judge judgment is visual judgment by the chief of competition judge and the starter. Also, the data output from the start table is only data of the competitor's feet off the start table at the time of start or relay competition.

FIG. 5 (a) is a diagram showing a measurement configuration for determining relay succession conventionally measured in a swimming competition, and FIG. 5 (b) shows a conventional (relay competition) flowchart in a swimming competition. Show. Conventionally, only the relay takeover determination data was measured. In relay takeover, the upper body may move as long as the feet are not separated from the start table. In other words, the upper body may fly if the toes or the like are on the start table.

[0005] That is, in FIG. 5 (a), the touch of the current swimmer is detected by the touch plate 4, and the separation of the next swimmer's foot is measured by the detection sensor in the start table 3, and is created by the time creation means 105. By comparing the time difference between the two data, it is determined by the relay takeover determination device 106 whether or not the relay takeover is invalid. This will be described with reference to the flowchart of FIG. Current swimmer touch data 3
09 is compared and calculated 311 with the next swimmer's foot separation data 310 from the start table, and it is determined whether or not the relay takeover is illegal. In short, conventionally, only the detection when the foot is separated is measured.

FIG. 6 is a representative of another sport competition.
This shows start detection, measurement, and judgment in athletics. As shown in the figure, the illegal start detection / measurement / judgment in athletics is performed by placing both hands on the start line of each course and placing both feet on a predetermined position of the installed starting block 107 with spikes. Put on. Then, the movement of the competitor's foot is detected by the built-in pressure sensor 108,
The start judging device 1 is compared with the start signal of the starter.
10. The fraudulent start judging device 111 judges whether or not the fraudulent start has occurred. It simply checks the specific waveform with one pressure sensor.

[0007]

The start of swimming is different from the start of athletics (foot is fixed position), and what kind of foot stands on the top plate (shaped 50 cm square) of the stand The problem is how to obtain a detection method at that time.
In addition, once the start system is introduced, the very important start as described above is determined only by human visual inspection, and at present, it becomes reliable evidence when trouble occurs. The absence of data is a very big problem.

[0008] The conventional relay takeover determination device cannot determine an improper start, and the improper start determination device used in athletics cannot detect information on the position or attitude of an athlete. There was a problem. Accordingly, the present invention realizes a system which assists a starter or a judge of a game referee to make a judgment and generates data serving as evidence when a claim has occurred.

[0009]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, according to the present invention, a sensor is installed on a start table in a swimming competition to detect a human motion. The output signal is measured as the amount of change in the physical quantity, and the amount of change in the measured value is calculated to detect the position. When a large amount of change is calculated before the start signal signal, position detection is performed based on the calculated data, such as whether it has moved up or down, or moved forward, backward, left or right. To determine whether it is an illegal start.
Output a signal.

It is needless to say that the judgment result of the system of the present invention is very important and valuable data for a judge or starter who visually monitors the start situation. Also, it becomes important and valuable evidence data in the event of a claim.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION The system for detecting the movement of a person constituted as described above is described as follows. Is measured as physical quantities of upward and downward movements and forward and backward movements, and the amount of change in the measured values is determined as position detection.
Then, it is repeatedly calculated and compared within the start time of "Done" from the call of "Preparation for position" of the starter, and it is determined whether or not the start is illegal.

If there are two detection sensors installed on the top plate of the competition start table, the up / down movement and the front / back movement can be measured and calculated separately, so that the movement of the person can be further improved. Can be determined. Also, if there are three detection sensors installed on the top plate of the competition start base, up and down movement, front and back movement, left and right movement are separately measured and calculated and determined. I can do it. Furthermore, if a plurality of (many) detection sensors are installed on the top plate of the start table, it is possible to determine in detail where the position has occurred on the competition start table.

[0013]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing a signal output configuration at the time of a start of a swimming competition, in which a competitor is on a top board 1 of a competition start table and a detection sensor installed on the start table. 2
Thus, the movement (movement) of the competitor on the start table is detected and output to the measuring means 101. This output signal is processed by the calculation / comparison / start determination means 102 as a physical quantity change (position detection).

The start of the race is started by the start pistol 103, which is a signal to start the race officer start, through the start signal generating means 104, and the time is generated by the time preparation means 105. Is engraved. This data is
Calculation, comparison, comparison with the data from the measuring means 101 outputted to the illegal start judging means 102 and whether or not there is a change (whether or not the competitor on the start table has moved) before the start signal. It outputs whether or not there is an illegal start (foreword start).

FIG. 2A shows a state in which one detection sensor PA installed on the top plate 1 of the swimming start table is installed at the front center. "If the weight (weight) of the competitor on the start table at rest is Po, the competitor on the start table moved upward or slew forward if Po⇒ + (increase). Status. Conversely, if Po⇒- (decrease), the competitor on the start table has moved downward or pulled backward. ] Is determined.

FIG. 2B shows a state in which a total of two detection sensors PA and PB are installed at the front center and the rear center of the top plate 1 of the swimming start table. It is. As described above, assuming that the output difference of the sensor detection between the front sensor PA and the rear sensor PB is (PA-PB) due to the movement of the competitor on the start table, the larger the difference, the more the front movement The smaller, the more backward. ] And the position can be detected.

FIG. 2C shows a state in which two detection sensors PA and PB are installed at both front ends of the top 1. Considering the same as above, "In this installation method, since the current system is the rear sub-frame and the back is the fulcrum, the left and right movements can be simultaneously detected from its structure. The sum of the two detection sensors PA and PB at the front ends of the top plate 1 of the swimming start table and one detection sensor PC at the rear center.
FIG. 2D shows a state in which three are installed. In this installation method, the position of each of the up / down movement, the front / back movement, and the left / right movement can be detected.

In FIG. 2D, for example, assuming that the competitor on the start table is operating the right hand or the right foot, the detection sensor PA is more sensitive than the other detection sensors, and the left hand or the left foot is operated. If so, the detection sensor PB shows higher sensitivity than the other detection sensors. In a crouching posture similar to athletics, both feet are open forward and backward. Sensor P
The position is detected by a movement in which one or both of A and PB show sensitivity.

When there are a plurality (a large number) of detection sensors 2 installed on the top plate 1 of the swimming start table, the position on the start table where the occurrence has occurred is detected in detail. As a display output, it is possible to output not only a signal lamp, LED and printout as a visual display, but also an auditory display output of a headset, a buzzer, etc., and it is possible to display on a large-sized video device etc. by having an external output. . As a matter of course, it is also possible to display all of them in a mixed manner, or to display each of them alone or in some selections. FIG. 3 shows the display output.

The measuring operation of the present invention will be described with reference to the flowchart of FIG. Starter signal "Take you"
R Marks ”in Japanese,“ Arrive at position ”with the competitor arrives at the start position on the start table, and then partially triggers the start pistol held by the starter Measurement is started (step 301). Then, the movement of the competitor on the start table is detected and measured, and calculated as a change in physical quantity.

In FIG. 4, as an example, the detection sensors installed on the top plate shown in FIG.
Also, a description is given as an example of three installations, one PC at the rear center. First, the weight (pressure) of each detection sensor (each measurement point) at the measurement start time R = 0 is measured (step 30).
2). Then, repeat measurement time D and repeat measurement time α
Is added, the weight (pressure) at that time is measured. (Step 304) The amount of change in the measured data (measurement data at the measurement start time and measurement data at the repeated measurement time) is calculated, and the change is within the allowable change ε previously input. A comparison process (step 305) is performed to determine whether the start is unauthorized (step 306). If the start is invalid, the measurement, calculation, and comparison are repeated until the start pistol sounds, via the output (step 307) indicating that the operation is illegal. Measured when the start pistol sounds
The calculation / comparison ends. This measurement is repeated many times until confirmed in real time. When it is determined, the measurement ends. A, B, and C indicate measurement points, PAR, PBR, and PCR indicate weight (pressure) at each measurement point at the measurement start time, respectively, and PAD, PBD, P
CD indicates the weight (pressure) at each measurement point at each measurement time. The smaller the repeated measurement time α is, the more times it is determined to be repeated.

FIG. 7 shows an embodiment using another detection sensor according to the present invention. The embodiment using infrared light is described as a sensor for detecting the amount of change in temperature. The movement of the competitor on the start base is detected by the temperature detection sensors 5 installed before and after the top board 1 of the start base for the competition and output to the measuring means 101. The measured signal is sent to calculation / comparison / illegal start determination means 102. The start of the race is issued by the start pistol 103 of the starter 103, but the subsequent description is the same as that of the embodiment described above.

FIG. 8 (a) shows an embodiment in which a plurality (many) of temperature detecting sensors 5 are mounted on a pole installed overhead from the rear of the start table. FIG. 8B shows that the temperature detection sensors 5 are opposed to both front ends of the top of the start table.
1 shows an embodiment with one attached. FIG. 8 (c) shows the star
In this embodiment, one temperature detection sensor 5 is attached to both ends of the top plate of the start side of the pool side away from the start table. FIG. 8 (d) shows an embodiment in which a large number of temperature detection sensors 5 are mounted on columns which are installed opposite to the front end of the top plate of the pool side start table apart from the start table.

[0024]

As described above, the start of the swimming competition is based on a table top (having a shape of 50).
The present invention has a system for detecting the movement of a person at the start of a swimming competition as described above, It is determined whether or not there is an illegal start (for example, a false start), and the data is visually displayed (such as a signal lamp, LED, or printout) or an auditory display method (such as a headset or a buzzer). It is configured to provide various display methods such as display on a large video device by output.

When the measurement of the fraudulent start (foreign start) determination is confirmed, the data is held as evidence as well as immediately transmitted to the competition officials, and can be viewed at any time. It can also be displayed on a large-sized video device or the like. The following effects can be obtained by summarizing the above configuration. .Reliable illegal start (Follow start) judgment data
Data is obtained.・ It can be transmitted instantly to the competition officials.・ Evidence of illicit start data is obtained.・ It can be instantly displayed on a large video device. And so many important effects can be obtained.

[Brief description of the drawings]

FIG. 1 is a system configuration diagram according to a main embodiment of the present invention.

FIG. 2A is a diagram in which one detection sensor is installed at the front center in the present invention. (B) is a diagram in which one detection sensor is installed at the front center and the rear center in the present invention. (C)
FIG. 2 is a diagram in which one detection sensor is installed at each of the left and right front ends in the present invention. (D) is a diagram in which one detection sensor is installed at each of the front left and right and one at the rear center in the present invention.

FIG. 3 is a diagram showing types of display output in the present invention.

FIG. 4 is a signal flow diagram according to a main embodiment of the present invention;
It is a chart.

FIG. 5 (a) shows a conventional swimming competition (relay competition)
1 is a system configuration diagram of FIG. (B) is a conventional (relay competition) flowchart in a swimming competition.

FIG. 6 is a system configuration diagram of a start in a conventional track and field event.

FIG. 7 is a system configuration diagram according to another embodiment of the present invention.

FIG. 8A is a diagram showing that a number of temperature detection sensors are installed in another embodiment of the present invention. (B) is a diagram showing that a temperature detection sensor is installed at both front ends of a start table in another embodiment of the present invention. (C) is a view showing that the temperature detection sensor is installed away from the start base toward both ends in front of the start base on the pool side in another embodiment of the present invention. (D) is a view showing that a plurality of temperature detecting sensors are installed away from the start base toward both ends in front of the start base on the pool side in another embodiment of the present invention.

[Explanation of symbols]

 1 top board of the starter for swimming competition 2 sensor for detecting weight and center of gravity 3 starter for swimming competition 4 touch panel for swimming competition 5 temperature detection sensor 101 measuring means 102 calculation / comparison / judgement of illegal start Means 103 Start pistol 104 Start signal generation means 105 Time creation means 106 Relay takeover judgment means 107 Athletics starting block 108 Pressure sensor 110 Start judgment device 111 Illegal start judgment device

Claims (23)

[Claims] 1. A sensor for outputting a signal in response to a motion of a person, measuring means for measuring a change amount of an output signal of the sensor to detect a position of the person, and applying a predetermined value to a measured value of the measuring means. A system for detecting a motion of a person, comprising a determination means for performing a calculation and a comparison to determine a change in the motion of the person. 2. The system according to claim 1, wherein a change in the position is detected by a single sensor as a sensor for detecting and outputting the motion of the person. 3. The system according to claim 1, wherein a change in the position is detected by two sensors as sensors for detecting and outputting the motion of the person. 4. The system according to claim 1, wherein a change in the position is detected by three sensors as sensors for detecting and outputting the motion of the person. 5. The system according to claim 1, wherein a change in the position is detected by a plurality of sensors as a sensor for detecting and outputting the movement of the person. 6. A start signal and a time creation means are added to the means for calculating, comparing and judging the amount of change in the measured value,
2. The system according to claim 1, wherein an illegal start determination is performed by comparing the timings. 7. The system according to claim 1, wherein a sensor that measures a change in weight or center of gravity as position detection is used as a sensor that detects and outputs a motion of a person. 8. A system for detecting a position of a start signal output and a movement of an athlete on the table as an amount of change of a physical quantity and measuring, calculating, comparing and judging the start signal output. 2. The system according to claim 1, wherein the motion of the person is detected. 9. A sensor for detecting and outputting a human motion,
A means for measuring an amount of change in a physical quantity as a position detection using an output signal of the sensor on a start table for a game, and outputting the calculated signal to a means for calculating, comparing and determining.
A system that detects the movement of the person described. 10. The system for detecting human movement according to claim 1, wherein a start of a measurement start switch operation by a competition official starts monitoring a stationary state of the competitor on the competition start table. 11. The movement of a person according to claim 1, wherein the start of a pistol, which is a start signal for a competition official, is started to monitor the athlete's resting state on the competition start table. System to detect. 12. The motion detection system according to claim 1, wherein a start of the competitor is monitored in response to a starter's voice as a start signal to monitor a stationary state of the competitor on the competition start table. System to do. 13. The system according to claim 1, wherein the means for starting to monitor the stationary state of the competitor on the starting platform is repeatedly measured in real time. 14. The system according to claim 1, wherein the output after the determination means includes a visual display, an auditory display, an external output to a large-sized video device, or the like. . 15. The system according to claim 1, wherein the outputs after the determining means are provided alone, mixed, or all. 16. The system for detecting motion of a person according to claim 1, wherein the sensor that detects and outputs the motion of the person measures and determines the amount of change in temperature as position detection. 17. The system according to claim 16, wherein a position of the change is detected by one sensor as the sensor for detecting and outputting the amount of change in temperature. 18. The system according to claim 16, wherein the sensor detects and outputs the amount of change in temperature, and the position of the change is detected by two sensors. 19. The system according to claim 16, wherein the sensor detects and outputs the amount of change in temperature, and the position of the change is detected by three sensors. 20. The system according to claim 16, wherein the sensor detects and outputs the amount of change in temperature, and the position of the change is detected by a plurality of sensors. 21. The sensor according to claim 1, wherein the sensor that detects and outputs the motion of a person measures and determines the amount of infrared rays by a sensor that measures the amount of change in temperature as position detection.
6. A system for detecting a motion of a person according to 6. 22. A starter attached to a competition start base.
17. The system for detecting human movement according to claim 16, wherein the position of the signal output and the movement of the competitor on the table are detected as a change in the physical quantity of the temperature, and the measurement, calculation, comparison, and determination are performed. 23. A competition starter comprising: a sensor for detecting and measuring the amount of change in temperature and a means for measuring the amount of change in physical quantity by using the output signal of the sensor as position detection; 17. The system according to claim 16, wherein the output is outputted to a comparing / determining means.