CN113144565A - Automatic scoring system and examination method for volleyball serving teaching examination - Google Patents
Automatic scoring system and examination method for volleyball serving teaching examination Download PDFInfo
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
- A63B71/0605—Decision makers and devices using detection means facilitating arbitration
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/0095—Training appliances or apparatus for special sports for volley-ball
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
- A63B71/0686—Timers, rhythm indicators or pacing apparatus using electric or electronic means
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
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Abstract
The invention discloses an automatic scoring system for volleyball service teaching examination, which comprises: examinee's identity identification subassembly, service area detect and timing subassembly, net and court end line detection subassembly, motion state identification subassembly and central control treater, central control treater respectively with examinee's identity identification subassembly, service area detect and timing subassembly, motion state identification subassembly, net and court end line detection subassembly looks communication connection setting. Meanwhile, the invention also discloses a volleyball serving teaching examination method with automatic scoring. The invention can not only automatically identify the examinee, but also judge whether the serve of the examinee is effective or not and whether the serve action is qualified or not, then judge the whole service completion condition by combining the service flight track, the ball speed and the landing point, and give a reference score, so that the examination score of the volleyball service of the examinee is given more scientifically, objectively and accurately, and the examination is more fair and fair.
Description
Technical Field
The invention relates to an examination system, in particular to an automatic scoring system and an examination method for volleyball serving teaching examination.
Background
The traditional volleyball serving teaching examination generally adopts an examination method of manual invigilation scoring, namely, an invigilator judges and scores volleyball serving of an examinee on site, and the volleyball serving examination judges the running track and the landing point of a volleyball, and further judges the harmony and the standard of the volleyball serving action of the examinee, so that the examination system depends on the teaching service capability and the professional level of the invigilator to a great extent, and the situations of artificial misjudgment, scoring and the like frequently occur in the examination process to influence the fairness and the accuracy of the examination scoring, so that an examination system capable of automatically completing invigilation and scoring is needed in the volleyball serving teaching to avoid the technical problems encountered by human invigilation scoring.
Disclosure of Invention
The invention discloses an automatic scoring system and an automatic scoring method for volleyball service teaching examination, and mainly aims to overcome the defects and shortcomings in the prior art.
The technical scheme adopted by the invention is as follows:
an automatic scoring system for volleyball service teaching examinations, comprising:
examinee's identity recognition subassembly: the examinee identity recognition component is used for recognizing the identity of the examinee;
service area detection and timing subassembly: the service area detection and timing assembly is used for judging whether an examinee steps into a field area or steps on an end line when the examinee sends a service after entering the service area during examination, and judging whether the examinee enters the service area to time the service time;
motion state identification component: the motion state identification component is used for identifying the ball serving action state of a player, the volleyball track and ball speed monitoring, wherein the ball serving action state of the player comprises the whole body action state of the service of an examinee through monitoring and recording, and the motion track of the examinee is drawn; the monitoring of the volleyball track and the ball speed comprises monitoring and recording the running state of the volleyball, drawing the running track of the volleyball and calculating the ball speed state;
net and court end line detection subassembly: the net and court end line measuring component is used for detecting the states of the net and court end lines;
the central control processor: the central control processor is respectively in communication connection with the examinee identity recognition component, the service area detection and timing component, the motion state recognition component, the ball net and the ball course terminal line detection component.
Still further, the examinee identification module includes: information identification compares module, identity information and reads module and first voice broadcast module, identity information reads the module and includes: the face recognition module is used for reading face information of an examinee, the identity information reading module is used for reading identity card information of the examinee, the information recognition comparison module is respectively in communication connection with the identity information reading module and the first voice broadcasting module, the information recognition comparison module receives information sent by the identity information reading module, then carries out recognition comparison verification on the received information and examinee information stored in a database of the information and sends a processing result to the first voice broadcasting module; when the identified examinee is not the examinee himself, the first voice broadcast module prompts the non-examinee himself, and when the identified examinee is the examinee himself, the first voice broadcast module prompts the non-examinee himself.
Furthermore, the service area detection and timing assembly comprises an induction sensor, a timing assembly and a second voice broadcast module, the induction sensor comprises a service line inductor and an inlet and outlet inductor, the service line inductor is used for inducing and judging whether an examinee enters a field or steps on an end line, when the service line inductor detects a signal, the examinee enters the field or steps on the line for service, service foul occurs, and the second voice broadcast module prompts the service exam foul; the entrance and exit inductive sensors are respectively arranged at the entrance and the exit of the service area, when the entrance and exit inductive sensors at the entrance detect signals, the examinee enters the service area, the second voice broadcast module prompts the start of an examination, and the timing component starts timing; when the inlet and outlet inductive sensors at the outlet detect signals, the examination leaves the service area, the second voice broadcast module prompts the examination to be finished, and the timing component stops timing.
Furthermore, the motion state identification component comprises a camera arranged around the examination court, the camera is used for collecting the body motion state, the flight trajectory, the ball speed and the landing point of volleyball of the examinee when the examinee serves the ball in real time, the collected data information is transmitted to the central control processor, the central control processor comprises a visual identification module based on deep learning, and the visual identification module is used for judging whether the serve of the examinee is effective or not and whether the serve meets the qualification or not by modeling the examination court and processing the collected image of the ball serving motion and the flight trajectory of volleyball of the examinee, and then judging the complete condition of the whole serve by combining the flight trajectory, the ball speed and the landing point of the serve and giving a reference score.
Still further, the reference scores given by the visual recognition module include three of excellence, pass, and fail.
Furthermore, the ball net and ball course terminal line detection assembly comprises a ball net sensor arranged on the ball net and ball net identification rod, a terminal line sensor arranged on the ball course and terminal line and a third voice broadcast module, wherein the ball net sensor and the terminal line sensor are respectively used for sensing whether the volleyball is played, touched and touched, when the ball net sensor senses a signal, the volleyball is sent to touch the net or touched, the volleyball is sent to fail, and the third voice broadcast module prompts that the volleyball is sent to fail; when the end line sensor senses a signal, the goal point indicating that the goal is located outside the field or the end line and the goal fails, and the third voice broadcast module prompts that the goal fails.
Furthermore, the net sensor is a trigger sensor, and the end line sensor is an infrared sensor.
An automatic scoring volleyball serving teaching examination method, which adopts the automatic scoring system for volleyball serving teaching examination of any one of claims 1 to 7, the examination method comprising the following concrete steps:
the method comprises the following steps: the examinee identity recognition and verification method comprises the steps that examinees respectively conduct face recognition and identity card information reading and recognition on examinees through examinee identity recognition components, the examinee identity recognition components conduct recognition, comparison and verification on collected information and examinee information stored in a database of the examinee identity recognition and verification through an information recognition and comparison module, and processing results are sent to the first voice broadcasting module; when the identified examinee is not the examinee himself, the first voice broadcast module prompts the examinee to be not the examinee himself, and the examination is finished; when the identified examinee is the examinee himself, the first voice broadcast module prompts the examinee to be the examinee himself, and the step II is carried out;
step two: after identity identification and verification, an examinee enters a service area to prepare service, when the examinee enters the service area, the service area detection and timing assembly starts service timing, meanwhile, the service area detection and timing assembly also judges whether the examinee enters a field area or steps on an end line when service is performed through the induction of a service line inductor, when the service line inductor detects a signal, the examinee enters the service area or steps on the line when service is performed, the service is violated, the second voice broadcasting module prompts the service exam to violate the rules, and the examination is finished; when the signal is not detected by the serve line sensor, the examinee does not enter the field or does not serve the ball and step on the line when serving the ball, and the step enters a third step; when an entrance and exit induction sensor at an entrance detects a signal, an examinee enters a service area, the second voice broadcast module prompts the start of an examination, and the timing component starts timing; when an entrance and exit inductive sensor at an exit detects a signal, the user leaves a service area, the second voice broadcast module prompts the end of the examination, the timing component stops timing, when the timing duration exceeds the set timing duration, the service foul is issued, the second voice broadcast module prompts the foul of the service examination, the examination is ended, and otherwise, the step three is entered;
step three: after the service of the service area is successful, the net and the court terminal line detection assembly are respectively used for sensing whether the volleyball is served, and touching the net, touching the pole and touching the line through the net sensor and the terminal line sensor, when the net sensor senses a signal, the service touching the net or touching the pole is indicated, the service fails, the third voice broadcast module prompts the service failure, the examination is finished, otherwise, the fourth step is carried out; when the end line sensor senses a signal, the goal point of the goal is located outside the field or the end line, the goal fails, the third voice broadcast module prompts the goal to fail, the examination is finished, and otherwise, the fourth step is executed;
step four: sportsman's service action state and volleyball orbit and the ball speed monitoring information that motion state discernment subassembly will be discerned sends the central control treater, the central control treater is including the vision identification module based on degree of depth study, and this vision identification module is through modeling the examination place, handle examinee's service action and volleyball flight path image that gather, and whether the service of judging the examinee is effective, and the service action reaches qualifiedly, then combines service flight orbit, ball speed and point of landing, judges the condition of accomplishing of whole service to give reference score, accomplish the service examination.
As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following advantages:
1. the invention can automatically identify and verify the identity of the examinee by arranging the examinee identity identification component, thereby preventing the cheating behavior of the test in stead.
2. The invention can automatically detect and time the start and the end of the service by arranging the service area detection and timing component, and automatically judge whether the service violates entering the field or stepping on the terminal line, thereby improving the accuracy of examination monitoring.
3. The invention sends the identified ball serving action state of the player, the volleyball track and the ball speed monitoring information to the central control processor by arranging the motion state identification component, the central control processor comprises a visual identification module based on deep learning, the visual identification module judges whether the ball serving of the examinee is effective and whether the ball serving action is qualified by modeling the examination field and processing the collected ball serving action and volleyball flight track images of the examinee, then the whole ball serving completion condition is judged by combining the ball serving flight track, the ball speed and the landing point, and a reference score is given, so that the volleyball serving examination score of the examinee is given more scientifically, objectively and accurately, and the examination is more fair and fair.
Drawings
Figure 1 is a flow chart of the examination method of the present invention.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, an automatic scoring system for volleyball service teaching examination includes: examinee's identity recognition subassembly: the examinee identity recognition component is used for recognizing the identity of the examinee;
service area detection and timing subassembly: the service area detection and timing assembly is used for judging whether an examinee steps into a field area or steps on an end line when the examinee sends a service after entering the service area during examination, and judging whether the examinee enters the service area to time the service time;
motion state identification component: the motion state identification component is used for identifying the ball serving action state of a player, the volleyball track and ball speed monitoring, wherein the ball serving action state of the player comprises the whole body action state of the service of an examinee through monitoring and recording, and the motion track of the examinee is drawn; the monitoring of the volleyball track and the ball speed comprises monitoring and recording the running state of the volleyball, drawing the running track of the volleyball and calculating the ball speed state;
net and court end line detection subassembly: the net and court end line measuring component is used for detecting the states of the net and court end lines;
the central control processor: the central control processor is respectively in communication connection with the examinee identity recognition component, the service area detection and timing component, the motion state recognition component, the ball net and the ball course terminal line detection component.
Still further, the examinee identification module includes: information identification compares module, identity information and reads module and first voice broadcast module, identity information reads the module and includes: the face recognition module is used for reading face information of an examinee, the identity information reading module is used for reading identity card information of the examinee, the information recognition comparison module is respectively in communication connection with the identity information reading module and the first voice broadcasting module, the information recognition comparison module receives information sent by the identity information reading module, then carries out recognition comparison verification on the received information and examinee information stored in a database of the information and sends a processing result to the first voice broadcasting module; when the identified examinee is not the examinee himself, the first voice broadcast module prompts the non-examinee himself, and when the identified examinee is the examinee himself, the first voice broadcast module prompts the non-examinee himself.
Furthermore, the service area detection and timing assembly comprises an induction sensor, a timing assembly and a second voice broadcast module, the induction sensor comprises a service line inductor and an inlet and outlet inductor, the service line inductor is used for inducing and judging whether an examinee enters a field or steps on an end line, when the service line inductor detects a signal, the examinee enters the field or steps on the line for service, service foul occurs, and the second voice broadcast module prompts the service exam foul; the entrance and exit inductive sensors are respectively arranged at the entrance and the exit of the service area, when the entrance and exit inductive sensors at the entrance detect signals, the examinee enters the service area, the second voice broadcast module prompts the start of an examination, and the timing component starts timing; when the inlet and outlet inductive sensors at the outlet detect signals, the examination leaves the service area, the second voice broadcast module prompts the examination to be finished, and the timing component stops timing.
Furthermore, the motion state identification component comprises a camera arranged around the examination court, the camera is used for collecting the body motion state, the flight trajectory, the ball speed and the landing point of volleyball of the examinee when the examinee serves the ball in real time, the collected data information is transmitted to the central control processor, the central control processor comprises a visual identification module based on deep learning, and the visual identification module is used for judging whether the serve of the examinee is effective or not and whether the serve meets the qualification or not by modeling the examination court and processing the collected image of the ball serving motion and the flight trajectory of volleyball of the examinee, and then judging the complete condition of the whole serve by combining the flight trajectory, the ball speed and the landing point of the serve and giving a reference score.
Still further, the reference scores given by the visual recognition module include three of excellence, pass, and fail.
Furthermore, the ball net and ball course terminal line detection assembly comprises a ball net sensor arranged on the ball net and ball net identification rod, a terminal line sensor arranged on the ball course and terminal line and a third voice broadcast module, wherein the ball net sensor and the terminal line sensor are respectively used for sensing whether the volleyball is played, touched and touched, when the ball net sensor senses a signal, the volleyball is sent to touch the net or touched, the volleyball is sent to fail, and the third voice broadcast module prompts that the volleyball is sent to fail; when the end line sensor senses a signal, the goal point indicating that the goal is located outside the field or the end line and the goal fails, and the third voice broadcast module prompts that the goal fails.
Furthermore, the net sensor is a trigger sensor, and the end line sensor is an infrared sensor.
An automatic scoring volleyball serving teaching examination method, which adopts the automatic scoring system for volleyball serving teaching examination of any one of claims 1 to 7, the examination method comprising the following concrete steps:
the method comprises the following steps: the examinee identity recognition and verification method comprises the steps that examinees respectively conduct face recognition and identity card information reading and recognition on examinees through examinee identity recognition components, the examinee identity recognition components conduct recognition, comparison and verification on collected information and examinee information stored in a database of the examinee identity recognition and verification through an information recognition and comparison module, and processing results are sent to the first voice broadcasting module; when the identified examinee is not the examinee himself, the first voice broadcast module prompts the examinee to be not the examinee himself, and the examination is finished; when the identified examinee is the examinee himself, the first voice broadcast module prompts the examinee to be the examinee himself, and the step II is carried out;
step two: after identity identification and verification, an examinee enters a service area to prepare service, when the examinee enters the service area, the service area detection and timing assembly starts service timing, meanwhile, the service area detection and timing assembly also judges whether the examinee enters a field area or steps on an end line when service is performed through the induction of a service line inductor, when the service line inductor detects a signal, the examinee enters the service area or steps on the line when service is performed, the service is violated, the second voice broadcasting module prompts the service exam to violate the rules, and the examination is finished; when the signal is not detected by the serve line sensor, the examinee does not enter the field or does not serve the ball and step on the line when serving the ball, and the step enters a third step; when an entrance and exit induction sensor at an entrance detects a signal, an examinee enters a service area, the second voice broadcast module prompts the start of an examination, and the timing component starts timing; when an entrance and exit inductive sensor at an exit detects a signal, the user leaves a service area, the second voice broadcast module prompts the end of the examination, the timing component stops timing, when the timing duration exceeds the set timing duration, the service foul is issued, the second voice broadcast module prompts the foul of the service examination, the examination is ended, and otherwise, the step three is entered;
step three: after the service of the service area is successful, the net and the court terminal line detection assembly are respectively used for sensing whether the volleyball is served, and touching the net, touching the pole and touching the line through the net sensor and the terminal line sensor, when the net sensor senses a signal, the service touching the net or touching the pole is indicated, the service fails, the third voice broadcast module prompts the service failure, the examination is finished, otherwise, the fourth step is carried out; when the end line sensor senses a signal, the goal point of the goal is located outside the field or the end line, the goal fails, the third voice broadcast module prompts the goal to fail, the examination is finished, and otherwise, the fourth step is executed;
step four: sportsman's service action state and volleyball orbit and the ball speed monitoring information that motion state discernment subassembly will be discerned sends the central control treater, the central control treater is including the vision identification module based on degree of depth study, and this vision identification module is through modeling the examination place, handle examinee's service action and volleyball flight path image that gather, and whether the service of judging the examinee is effective, and the service action reaches qualifiedly, then combines service flight orbit, ball speed and point of landing, judges the condition of accomplishing of whole service to give reference score, accomplish the service examination.
As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following advantages:
1. the invention can automatically identify and verify the identity of the examinee by arranging the examinee identity identification component, thereby preventing the cheating behavior of the test in stead.
2. The invention can automatically detect and time the start and the end of the service by arranging the service area detection and timing component, and automatically judge whether the service violates entering the field or stepping on the terminal line, thereby improving the accuracy of examination monitoring.
3. The invention sends the identified ball serving action state of the player, the volleyball track and the ball speed monitoring information to the central control processor by arranging the motion state identification component, the central control processor comprises a visual identification module based on deep learning, the visual identification module judges whether the ball serving of the examinee is effective and whether the ball serving action is qualified by modeling the examination field and processing the collected ball serving action and volleyball flight track images of the examinee, then the whole ball serving completion condition is judged by combining the ball serving flight track, the ball speed and the landing point, and a reference score is given, so that the volleyball serving examination score of the examinee is given more scientifically, objectively and accurately, and the examination is more fair and fair.
The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications of the present invention using this concept shall fall within the scope of infringing the present invention.
Claims (8)
1. The utility model provides an automatic system of grading for volleyball service teaching examination which characterized in that: the method comprises the following steps:
examinee's identity recognition subassembly: the examinee identity recognition component is used for recognizing the identity of the examinee;
service area detection and timing subassembly: the service area detection and timing assembly is used for judging whether an examinee steps into a field area or steps on an end line when the examinee sends a service after entering the service area during examination, and judging whether the examinee enters the service area to time the service time;
motion state identification component: the motion state identification component is used for identifying the ball serving action state of a player, the volleyball track and ball speed monitoring, wherein the ball serving action state of the player comprises the whole body action state of the service of an examinee through monitoring and recording, and the motion track of the examinee is drawn; the monitoring of the volleyball track and the ball speed comprises monitoring and recording the running state of the volleyball, drawing the running track of the volleyball and calculating the ball speed state;
net and court end line detection subassembly: the net and court end line measuring component is used for detecting the states of the net and court end lines;
the central control processor: the central control processor is respectively in communication connection with the examinee identity recognition component, the service area detection and timing component, the motion state recognition component, the ball net and the ball course terminal line detection component.
2. The automatic scoring system for volleyball service teaching examinations according to claim 1, wherein: the examinee identification component comprises: information identification compares module, identity information and reads module and first voice broadcast module, identity information reads the module and includes: the face recognition module is used for reading face information of an examinee, the identity information reading module is used for reading identity card information of the examinee, the information recognition comparison module is respectively in communication connection with the identity information reading module and the first voice broadcasting module, the information recognition comparison module receives information sent by the identity information reading module, then carries out recognition comparison verification on the received information and examinee information stored in a database of the information and sends a processing result to the first voice broadcasting module; when the identified examinee is not the examinee himself, the first voice broadcast module prompts the non-examinee himself, and when the identified examinee is the examinee himself, the first voice broadcast module prompts the non-examinee himself.
3. The automatic scoring system for volleyball service teaching examinations according to claim 1, wherein: the service area detection and timing assembly comprises an induction sensor, a timing assembly and a second voice broadcast module, the induction sensor comprises a service line inductor and an inlet and outlet inductor, the service line inductor is used for inducing and judging whether an examinee enters a field or steps on an end line, when the service line inductor detects a signal, the examinee enters the field or steps on the line for service, and service violations are issued, and the second voice broadcast module prompts the service exam violations; the entrance and exit inductive sensors are respectively arranged at the entrance and the exit of the service area, when the entrance and exit inductive sensors at the entrance detect signals, the examinee enters the service area, the second voice broadcast module prompts the start of an examination, and the timing component starts timing; when the inlet and outlet inductive sensors at the outlet detect signals, the examination leaves the service area, the second voice broadcast module prompts the examination to be finished, and the timing component stops timing.
4. The automatic scoring system for volleyball service teaching examinations according to claim 1, wherein: the motion state identification assembly comprises cameras arranged on the periphery of an examination court, the cameras are used for collecting body motion states, flight tracks of volleyballs, ball speeds of the volleyballs and landing points of the volleyballs in real time when examinees serve the balls, the collected data information is conveyed to the central control processor, the central control processor comprises a visual identification module based on deep learning, the visual identification module is used for judging whether the serve of the examinees is effective or not and whether the serve action is qualified or not by modeling the examination court and processing the collected images of the examinees' service actions and the flight tracks of the volleyballs, and then the complete condition of the whole service is judged by combining the service flight tracks, the ball speeds and the landing points and giving reference scores.
5. The automatic scoring system for volleyball service teaching examinations according to claim 4, wherein: the reference scores given by the visual recognition module comprise excellence, pass and fail.
6. The automatic scoring system for volleyball service teaching examinations according to claim 1, wherein: the net and court end line detection assembly comprises a net sensor arranged on a net and a net identification rod, an end line sensor arranged on a court and an end line and a third voice broadcast module, wherein the net sensor and the end line sensor are respectively used for sensing whether volleyballs are played, touched and touched, when the net sensor senses a signal, the volleyball is sent to the net or touched, the volleyball is failed, and the third voice broadcast module prompts that the volleyball is failed; when the end line sensor senses a signal, the goal point indicating that the goal is located outside the field or the end line and the goal fails, and the third voice broadcast module prompts that the goal fails.
7. The automatic scoring system for volleyball service teaching examinations according to claim 6, wherein: the net sensor is a trigger sensor, and the end line sensor is an infrared sensor.
8. An automatic scoring volleyball service teaching examination method, which employs the automatic scoring system for volleyball service teaching examination of any one of claims 1 to 7, wherein: the examination method comprises the following specific steps:
the method comprises the following steps: the examinee identity recognition and verification method comprises the steps that examinees respectively conduct face recognition and identity card information reading and recognition on examinees through examinee identity recognition components, the examinee identity recognition components conduct recognition, comparison and verification on collected information and examinee information stored in a database of the examinee identity recognition and verification through an information recognition and comparison module, and processing results are sent to the first voice broadcasting module; when the identified examinee is not the examinee himself, the first voice broadcast module prompts the examinee to be not the examinee himself, and the examination is finished; when the identified examinee is the examinee himself, the first voice broadcast module prompts the examinee to be the examinee himself, and the step II is carried out;
step two: after identity identification and verification, an examinee enters a service area to prepare service, when the examinee enters the service area, the service area detection and timing assembly starts service timing, meanwhile, the service area detection and timing assembly also judges whether the examinee enters a field area or steps on an end line when service is performed through the induction of a service line inductor, when the service line inductor detects a signal, the examinee enters the service area or steps on the line when service is performed, the service is violated, the second voice broadcasting module prompts the service exam to violate the rules, and the examination is finished; when the signal is not detected by the serve line sensor, the examinee does not enter the field or does not serve the ball and step on the line when serving the ball, and the step enters a third step; when an entrance and exit induction sensor at an entrance detects a signal, an examinee enters a service area, the second voice broadcast module prompts the start of an examination, and the timing component starts timing; when an entrance and exit inductive sensor at an exit detects a signal, the user leaves a service area, the second voice broadcast module prompts the end of the examination, the timing component stops timing, when the timing duration exceeds the set timing duration, the service foul is issued, the second voice broadcast module prompts the foul of the service examination, the examination is ended, and otherwise, the step three is entered;
step three: after the service of the service area is successful, the net and the court terminal line detection assembly are respectively used for sensing whether the volleyball is served, and touching the net, touching the pole and touching the line through the net sensor and the terminal line sensor, when the net sensor senses a signal, the service touching the net or touching the pole is indicated, the service fails, the third voice broadcast module prompts the service failure, the examination is finished, otherwise, the fourth step is carried out; when the end line sensor senses a signal, the goal point of the goal is located outside the field or the end line, the goal fails, the third voice broadcast module prompts the goal to fail, the examination is finished, and otherwise, the fourth step is executed;
step four: sportsman's service action state and volleyball orbit and the ball speed monitoring information that motion state discernment subassembly will be discerned sends the central control treater, the central control treater is including the vision identification module based on degree of depth study, and this vision identification module is through modeling the examination place, handle examinee's service action and volleyball flight path image that gather, and whether the service of judging the examinee is effective, and the service action reaches qualifiedly, then combines service flight orbit, ball speed and point of landing, judges the condition of accomplishing of whole service to give reference score, accomplish the service examination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110398285.9A CN113144565A (en) | 2021-04-14 | 2021-04-14 | Automatic scoring system and examination method for volleyball serving teaching examination |
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| CN110639197A (en) * | 2019-09-27 | 2020-01-03 | 上海淡竹体育科技有限公司 | Sports test method, device and system |
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| JPH1099477A (en) * | 1996-09-30 | 1998-04-21 | Senoo Kk | Net for volley ball |
| CN1765442A (en) * | 2004-10-28 | 2006-05-03 | 赵健 | Foul ball number detection system in ball game |
| CN103845888A (en) * | 2012-11-30 | 2014-06-11 | 北京克强科技文化中心 | Electronic stadium |
| CN109999469A (en) * | 2019-04-05 | 2019-07-12 | 福建省通通发科技发展有限公司 | A kind of football around rod examination intelligent judgment system |
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