CN111659096A - Application of image-based table tennis serving machine control device in training of transverse clappers - Google Patents

Application of image-based table tennis serving machine control device in training of transverse clappers Download PDF

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Publication number
CN111659096A
CN111659096A CN202010544846.7A CN202010544846A CN111659096A CN 111659096 A CN111659096 A CN 111659096A CN 202010544846 A CN202010544846 A CN 202010544846A CN 111659096 A CN111659096 A CN 111659096A
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Prior art keywords
table tennis
service
difficulty
player
unit
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CN202010544846.7A
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Chinese (zh)
Inventor
智慧
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Bengbu Zhuling Intelligent Technology Co Ltd
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Bengbu Zhuling Intelligent Technology Co Ltd
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Priority to CN202010544846.7A priority Critical patent/CN111659096A/en
Publication of CN111659096A publication Critical patent/CN111659096A/en
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    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00Training appliances or apparatus for special sports
    • A63B69/40Stationarily-arranged devices for projecting balls or other bodies
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/06Indicating or scoring devices for games or players, or for other sports activities
    • A63B71/0605Decision makers and devices using detection means facilitating arbitration
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2220/00Measuring of physical parameters relating to sporting activity
    • A63B2220/80Special sensors, transducers or devices therefor
    • A63B2220/806Video cameras
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2220/00Measuring of physical parameters relating to sporting activity
    • A63B2220/80Special sensors, transducers or devices therefor
    • A63B2220/83Special sensors, transducers or devices therefor characterised by the position of the sensor
    • A63B2220/833Sensors arranged on the exercise apparatus or sports implement

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Image Processing (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Image Analysis (AREA)

Abstract

The invention provides a table tennis service robot control device based on images and application thereof in training of transverse clappers, the difficulty coefficients of all dimensions are set according to the training requirements of the table tennis players, the image acquisition unit shoots images of table tennis players and transmits the images to the player posture analysis module of the image acquisition unit, the table tennis player posture analysis module analyzes the standing positions of the table tennis players relative to the table tennis table and the holding posture of the table tennis players according to the images, and transmits the analysis result to the central processing unit, the central processing unit receives the difficulty coefficient set by the difficulty setting unit, and according to the stand position of the table tennis player relative to the table tennis table and the holding posture of the table tennis player, which are sent by the image acquisition unit, a service instruction is sent to the table tennis service unit, and the table tennis service unit comprises a table tennis service machine and a service instruction receiving module.

Description

Application of image-based table tennis serving machine control device in training of transverse clappers
The application is divisional application with application number 201810853241.9, application date 2018, 07, 30 and invention name "image-based control device and method for table tennis serving machine".
Technical Field
The invention belongs to the field of image processing, and particularly relates to a table tennis serving machine control device and method based on images.
Background
The table tennis ball serving machine is a common apparatus for table tennis athletes, and at present, the table tennis ball serving machine can serve table tennis balls at a specified angle, speed and rotation.
However, because the levels of table tennis players are different, playing methods are different, and the standing position and the posture of holding the table tennis bat are different at ordinary times, an intelligent table tennis service robot which can train aiming at the characteristics of the table tennis players is lacked at present.
Disclosure of Invention
In order to solve the technical problems, the invention provides a control device and a control method for a table tennis service machine based on images.
First, the present invention provides an image-based table tennis service machine control apparatus, comprising:
the table tennis service unit comprises a table tennis service machine and a service instruction receiving module, wherein after the service instruction receiving module of the table tennis service unit receives a service instruction, the table tennis service machine can be used for launching table tennis at a specified angle, speed and rotation according to the service instruction.
The image acquisition unit comprises an image shooting module and an athlete posture analysis module, wherein the image shooting module adopts a camera to shoot images of a table tennis athlete and transmits the images to the athlete posture analysis module, and the table tennis athlete posture analysis module analyzes the standing position of the table tennis athlete relative to the table tennis table and the holding posture of the table tennis athlete according to the images and transmits an analysis result to the central processing unit.
Specifically, the standing position of the table tennis player relative to the table tennis table means that the table tennis player stands at a position deviated from the left or right of the table tennis table, and the table tennis player holding posture means that the table tennis player holds a table tennis bat with a left hand or a table tennis bat with a right hand.
The difficulty setting unit comprises a service angle difficulty coefficient setting interface, a service speed difficulty coefficient setting interface and a rotation difficulty coefficient setting interface and is used for pertinently setting the difficulty coefficients of all dimensions according to the training requirements of the table tennis players.
The central processing unit is electrically connected with the difficulty setting unit, the image acquisition unit and the table tennis serving unit, receives the difficulty coefficients of the three dimensions of angle, speed and rotation set by the difficulty setting unit, and sends a serving instruction to the table tennis serving unit according to the standing position of the table tennis player relative to the table tennis table and the table tennis player holding posture sent by the image acquisition unit.
Specifically, the central processing unit may be a single chip or a PLC processor.
The invention also provides a control method of the table tennis service robot based on the image, which is characterized by comprising the following steps:
the method comprises the following steps: and the difficulty coefficients of all dimensions are set in a serving angle difficulty coefficient setting interface, a serving speed difficulty coefficient setting interface and a rotation difficulty coefficient setting interface of the difficulty setting unit according to the training requirements of the table tennis players.
Step two: the image shooting module of the image acquisition unit shoots images of table tennis players by adopting the camera and transmits the images to the player posture analysis module of the image acquisition unit, and the table tennis player posture analysis module analyzes the standing positions of the table tennis players relative to the table tennis table and the holding and shooting postures of the table tennis players according to the images and transmits analysis results to the central processing unit.
Specifically, the standing position of the table tennis player relative to the table tennis table means that the table tennis player stands at a position on the table tennis table which is deviated from the left or right, and the holding posture of the table tennis player means that the table tennis player holds the table tennis bat with the left or the right.
Step three: the central processing unit receives the degree of difficulty, the speed and the difficulty coefficient of the three dimensions of rotation which are set by the difficulty setting unit, and sends a service instruction to the table tennis service unit according to the standing position of the table tennis player relative to the table tennis table and the table tennis player holding posture which are sent by the image acquisition unit.
Specifically, the central processing unit may be a single chip or a PLC processor.
Step four: the table tennis service unit comprises a table tennis service machine and a service instruction receiving module, wherein after the service instruction receiving module of the table tennis service unit receives a service instruction, the table tennis service machine can be used for launching table tennis at a specified angle, speed and rotation according to the service instruction.
Drawings
Fig. 1 is a flow chart of the operation of a table tennis service machine control device based on images.
Detailed Description
The embodiments are described in detail below with reference to the accompanying drawings.
First, the present invention provides an image-based table tennis service apparatus control device, comprising:
the table tennis service unit comprises a table tennis service machine and a service instruction receiving module, wherein after the service instruction receiving module of the table tennis service unit receives a service instruction, the table tennis service machine can be used for launching table tennis at a specified angle, speed and rotation according to the service instruction.
In the prior art, the table tennis serving machine can launch table tennis balls at a specified angle, speed and rotation, and the specific technical scheme is not the key point of the invention and is not described in detail here.
The image acquisition unit comprises an image shooting module and an athlete posture analysis module, wherein the image shooting module adopts a camera to shoot images of a table tennis athlete and transmits the images to the athlete posture analysis module, and the table tennis athlete posture analysis module analyzes the standing position of the table tennis athlete relative to the table tennis table and the holding posture of the table tennis athlete according to the images and transmits an analysis result to the central processing unit.
The standing position of the table tennis player relative to the table tennis table means that the table tennis player stands at the left position or the right position of the table tennis table, and the table tennis player holding posture means that the table tennis player holds a table tennis bat with a left hand or a table tennis bat with a right hand.
The difficulty setting unit comprises a service angle difficulty coefficient setting interface, a service speed difficulty coefficient setting interface and a rotation difficulty coefficient setting interface and is used for pertinently setting the difficulty coefficients of all dimensions according to the training requirements of the table tennis players.
For the transverse bat athlete, the difficulty can be increased in the rotation difficulty coefficient setting interface, so that the table tennis service robot can send out balls with strong rotation, and the ball receiving capacity of the rotating balls can be trained in a targeted manner.
For the athletes needing to train the moving speed under feet, the difficulty can be increased in the service angle difficulty coefficient setting interface, so that the table tennis service robot can send balls far away from the standing position of the table tennis athlete and balls in the backhand position, and the table tennis athlete is forced to accelerate the moving speed under feet.
For athletes with high comprehensive competitive level, the difficulty coefficients of the angle, the speed and the rotation can be all increased so as to improve the training quality.
The central processing unit is electrically connected with the difficulty setting unit, the image acquisition unit and the table tennis serving unit, receives the difficulty coefficients of the three dimensions of angle, speed and rotation set by the difficulty setting unit, and sends a serving instruction to the table tennis serving unit according to the standing position of the table tennis player relative to the table tennis table and the table tennis player holding posture sent by the image acquisition unit.
The invention discloses a control method of a table tennis serving machine control device based on images, which comprises the following steps:
the method comprises the following steps: and the difficulty coefficients of all dimensions are set in a serving angle difficulty coefficient setting interface, a serving speed difficulty coefficient setting interface and a rotation difficulty coefficient setting interface of the difficulty setting unit according to the training requirements of the table tennis players.
For the transverse bat athlete, the difficulty can be increased in the rotation difficulty coefficient setting interface, so that the table tennis service robot can send out balls with strong rotation, and the ball receiving capacity of the rotating balls can be trained in a targeted manner.
For the athletes needing to train the moving speed under feet, the difficulty can be increased in the service angle difficulty coefficient setting interface, so that the table tennis service robot can send balls far away from the standing position of the table tennis athlete and balls in the backhand position, and the table tennis athlete is forced to accelerate the moving speed under feet.
For athletes with high comprehensive competitive level, the difficulty coefficients of the angle, the speed and the rotation can be all increased so as to improve the training quality.
Step two: the image shooting module of the image acquisition unit shoots images of table tennis players by adopting the camera and transmits the images to the player posture analysis module of the image acquisition unit, and the table tennis player posture analysis module analyzes the standing positions of the table tennis players relative to the table tennis table and the holding and shooting postures of the table tennis players according to the images and transmits analysis results to the central processing unit.
The standing position of the table tennis player relative to the table tennis table means that the table tennis player stands at the left position or the right position of the table tennis table, and the table tennis player holding posture means that the table tennis player holds a table tennis bat with a left hand or a table tennis bat with a right hand.
Step three: the central processing unit receives the degree of difficulty, the speed and the difficulty coefficient of the three dimensions of rotation which are set by the difficulty setting unit, and sends a service instruction to the table tennis service unit according to the standing position of the table tennis player relative to the table tennis table and the table tennis player holding posture which are sent by the image acquisition unit.
The central processing unit can adopt a singlechip or a PLC processor and the like.
Step four: the table tennis service unit comprises a table tennis service machine and a service instruction receiving module, wherein after the service instruction receiving module of the table tennis service unit receives a service instruction, the table tennis service machine can be used for launching table tennis at a specified angle, speed and rotation according to the service instruction.
The above embodiments are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (3)

1. Use of an image-based table tennis ball serving machine control in a racquet player training, wherein the image-based table tennis ball serving machine control comprises:
the table tennis service unit comprises a table tennis service machine and a service instruction receiving module, wherein after the service instruction receiving module of the table tennis service unit receives a service instruction, the table tennis service machine can be used for launching table tennis at a specified angle, speed and rotation according to the service instruction;
the image acquisition unit comprises an image shooting module and an athlete posture analysis module, wherein the image shooting module adopts a camera to shoot images of a table tennis athlete and transmits the images to the athlete posture analysis module, and the table tennis athlete posture analysis module analyzes the standing position of the table tennis athlete relative to a table tennis table and the holding posture of the table tennis athlete according to the images and transmits an analysis result to the central processing unit;
the difficulty setting unit comprises a service angle difficulty coefficient setting interface, a service speed difficulty coefficient setting interface and a rotation difficulty coefficient setting interface and is used for pertinently setting the difficulty coefficients of all dimensions according to the training requirements of the table tennis players;
the central processing unit is electrically connected with the difficulty setting unit, the image acquisition unit and the table tennis serving unit, receives the three-dimensional difficulty coefficients of the angle, the speed and the rotation set by the difficulty setting unit, and sends a serving instruction to the table tennis serving unit according to the stand position of the table tennis player relative to the table tennis table and the table tennis player holding posture sent by the image acquisition unit;
the standing position of the table tennis player relative to the table tennis table refers to the left position or the right position of the table tennis player standing on the table tennis table, and the table tennis player holding posture refers to whether the table tennis player holds a table tennis bat with a left hand or a table tennis bat with a right hand;
the application comprises the following steps: the table tennis player is a cross-bat player, and the training of the table tennis player requires setting the difficulty in the interface for increasing the rotation difficulty coefficient.
2. The application of claim 1, wherein the central processing unit is a single chip or a PLC processor.
3. An image-based table tennis ball serving machine control apparatus, comprising:
the table tennis service unit comprises a table tennis service machine and a service instruction receiving module, wherein after the service instruction receiving module of the table tennis service unit receives a service instruction, the table tennis service machine can be used for launching table tennis at a specified angle, speed and rotation according to the service instruction;
the image acquisition unit comprises an image shooting module and an athlete posture analysis module, wherein the image shooting module adopts a camera to shoot images of a table tennis athlete and transmits the images to the athlete posture analysis module, and the table tennis athlete posture analysis module analyzes the standing position of the table tennis athlete relative to a table tennis table and the holding posture of the table tennis athlete according to the images and transmits an analysis result to the central processing unit;
the difficulty setting unit comprises a pitching angle difficulty coefficient setting interface, a pitching speed difficulty coefficient setting interface and a rotation difficulty coefficient setting interface, and is used for increasing the difficulty in the rotation difficulty coefficient setting interface in a pertinence manner according to the training requirement of the horizontal racket;
the central processing unit is electrically connected with the difficulty setting unit, the image acquisition unit and the table tennis serving unit, receives the three-dimensional difficulty coefficients of the angle, the speed and the rotation set by the difficulty setting unit, and sends a serving instruction to the table tennis serving unit according to the stand position of the table tennis player relative to the table tennis table and the table tennis player holding posture sent by the image acquisition unit;
the standing position of the table tennis player relative to the table tennis table means that the table tennis player stands at a left position or a right position of the table tennis table, and the table tennis player holding posture means that the table tennis player holds a table tennis bat with a left hand or a table tennis bat with a right hand.
CN202010544846.7A 2018-07-30 2018-07-30 Application of image-based table tennis serving machine control device in training of transverse clappers Withdrawn CN111659096A (en)

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CN202010544846.7A CN111659096A (en) 2018-07-30 2018-07-30 Application of image-based table tennis serving machine control device in training of transverse clappers
CN201810853241.9A CN108970075B (en) 2018-07-30 2018-07-30 Image-based table tennis service machine control device and method

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CN202010543929.4A Withdrawn CN111514568A (en) 2018-07-30 2018-07-30 Application of control device of table tennis serving machine in comprehensive athletic training of athletes
CN201810853241.9A Active CN108970075B (en) 2018-07-30 2018-07-30 Image-based table tennis service machine control device and method
CN202010544847.1A Withdrawn CN111558215A (en) 2018-07-30 2018-07-30 Application of control device of table tennis serving machine in training of moving speed of feet of sportsman
CN202010544846.7A Withdrawn CN111659096A (en) 2018-07-30 2018-07-30 Application of image-based table tennis serving machine control device in training of transverse clappers

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CN202010544847.1A Withdrawn CN111558215A (en) 2018-07-30 2018-07-30 Application of control device of table tennis serving machine in training of moving speed of feet of sportsman

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115025470A (en) * 2022-06-28 2022-09-09 上海创屹科技有限公司 Intelligent table tennis bat, service robot and intelligent table tennis teaching system

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CN110538443A (en) * 2019-08-09 2019-12-06 西交利物浦大学 Table tennis training robot with visual identification function
CN111228773A (en) * 2020-03-02 2020-06-05 怀化学院 Service control method and device based on binocular vision, storage medium and service machine
CN112535853A (en) * 2020-12-07 2021-03-23 深兰科技(上海)有限公司 Automatic ball feeding method and device and ball feeding machine
CN113134224A (en) * 2021-04-25 2021-07-20 国家体育总局体育科学研究所 Multi-machine linkage intelligent high-speed service robot for table tennis
CN114589719B (en) * 2022-04-02 2024-03-08 中国电子科技集团公司第五十八研究所 Real-time calibration and calibration system and method for table tennis service robot

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US9033828B2 (en) * 2011-09-29 2015-05-19 Robosport Technologies LLC Mechanical baseball tee
CN203736821U (en) * 2013-07-03 2014-07-30 付卫东 Intelligent tennis training device
CN104436611B (en) * 2014-12-09 2016-08-31 张锐明 Projection automatic kicking apparatus and the service method of this device
CN106730721B (en) * 2016-12-15 2019-08-06 英华达(上海)科技有限公司 A kind of automatic service training system and its method of serving a ball
CN107773939A (en) * 2017-11-30 2018-03-09 河南理工大学 A kind of table tennis auxiliary training device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115025470A (en) * 2022-06-28 2022-09-09 上海创屹科技有限公司 Intelligent table tennis bat, service robot and intelligent table tennis teaching system
CN115025470B (en) * 2022-06-28 2024-03-08 上海创屹科技有限公司 Intelligent table tennis bat, ball dispenser and intelligent table tennis teaching system

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CN108970075A (en) 2018-12-11
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CN111558215A (en) 2020-08-21

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Application publication date: 20200915