CN113274733A - Golf ball top-placing type detection method, system and storage medium - Google Patents
Golf ball top-placing type detection method, system and storage medium Download PDFInfo
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- CN113274733A CN113274733A CN202110783940.2A CN202110783940A CN113274733A CN 113274733 A CN113274733 A CN 113274733A CN 202110783940 A CN202110783940 A CN 202110783940A CN 113274733 A CN113274733 A CN 113274733A
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F13/00—Video games, i.e. games using an electronically generated display having two or more dimensions
- A63F13/55—Controlling game characters or game objects based on the game progress
- A63F13/57—Simulating properties, behaviour or motion of objects in the game world, e.g. computing tyre load in a car race game
- A63F13/573—Simulating properties, behaviour or motion of objects in the game world, e.g. computing tyre load in a car race game using trajectories of game objects, e.g. of a golf ball according to the point of impact
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F13/00—Video games, i.e. games using an electronically generated display having two or more dimensions
- A63F13/80—Special adaptations for executing a specific game genre or game mode
- A63F13/816—Athletics, e.g. track-and-field sports
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/70—Determining position or orientation of objects or cameras
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F2300/00—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game
- A63F2300/10—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game characterized by input arrangements for converting player-generated signals into game device control signals
- A63F2300/1087—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game characterized by input arrangements for converting player-generated signals into game device control signals comprising photodetecting means, e.g. a camera
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F2300/00—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game
- A63F2300/60—Methods for processing data by generating or executing the game program
- A63F2300/66—Methods for processing data by generating or executing the game program for rendering three dimensional images
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F2300/00—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game
- A63F2300/80—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game specially adapted for executing a specific type of game
- A63F2300/8011—Ball
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10004—Still image; Photographic image
- G06T2207/10012—Stereo images
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- Computer Vision & Pattern Recognition (AREA)
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- Length Measuring Devices By Optical Means (AREA)
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Abstract
The invention discloses a top-placed type detection method of a golf ball, which is used for detecting the state of the golf ball placed on the top, and the detection state of the golf ball comprises the ejection angle, the ejection speed and the rotation state of a ball body; the detection process comprises the following steps: s1, collecting data; s2, positioning a sphere; s3 establishing a coordinate system; s4 virtual sphere theoretical trajectory simulation; s5 simulating the actual track of the virtual sphere; a golf ball top-mounted detection system comprises a physical device and a detection module; the solid equipment comprises a court, a screen and a marker post, wherein the screen and the marker post are fixed at the top of the court, the screen and the marker post are arranged oppositely, and a sphere is placed at the top of the marker post; a speedometer and a first camera which are respectively positioned at two sides of the post are fixed at the top of the court, and a second camera is fixed above the court; a golf ball top-mounted detection storage medium, the calculation data is directly stored in ROM and backups are stored in hard disk.
Description
Technical Field
The invention relates to the field of sports, in particular to a golf top-mounted detection method, a system and a storage medium.
Background
The indoor simulated golf is an indoor sport which is made by simulating outdoor golf and relies on an instrument which adopts a computer speed measurement software system to realize the simulation effect of a real scene. The indoor simulated golf is provided with an advanced sound function, the sound of hitting a ball, the sound of the ball produced by the friction of the ball meeting wind, and the sound of the ball falling to the ground can be produced truly through sound equipment. The indoor simulated golf shows the scene of the real golf course, such as concave-convex, fluctuating, tree and sand pits, including the floating of clouds, the ripple of water, each grass and buildings, etc. which are the same as the scene of the original golf course, by the field survey of the real golf course and adopting the three-dimensional technology, and the scene is well-known. Indoor simulated golf enables player-to-field scene interaction at 30-40 square meters indoor play using real golf balls and clubs: the player swings as if actually hitting the ball outdoors, hitting the ball toward the course in the curtain; the picture shows the same visual sense as the real court, and the flight height, angle, distance and bounce of the ball are as lifelike as when playing the ball in the real court.
The indoor simulation golf system software product adopts a computer three-dimensional simulation technology and a high-speed moving object intelligent measurement technology to simulate a real golf ball flight scene on an indoor large screen, so that a player can be as if he is in the scene, the player uses a real golf tool to hit the real golf ball, the flight state of the golf ball in the air can be displayed in the simulated golf three-dimensional scene in real time, and the feeling is vivid. Therefore, the detection technology and the detection method for the ball in the golf system directly influence the simulation effect of the golf system.
Disclosure of Invention
The invention aims to solve the defect that the simulation effect of a golf system in the prior art needs to be improved, and provides a golf top-set detection method, a system and a storage medium.
In order to achieve the purpose, the invention adopts the following technical scheme:
a golf ball top-placing type detection method is used for detecting the state of a golf ball placed on top, and the detection state of the golf ball comprises the angle of the golf ball, the speed of the golf ball and the rotation state of a ball body; the detection process comprises the following steps: s1, collecting data; installing a camera and a speed measuring sensor, and carrying out camera shooting collection on the rod and the ball to obtain 20-50 real golf emergent high-definition pictures; s2, positioning a sphere; carrying out image recognition on the obtained high-definition picture, and recognizing and calibrating the position of a real golf ball; s3 establishing a coordinate system; establishing a three-dimensional coordinate system of a simulated court by taking the position of the sphere where the marker post is placed as a zero point, calculating the coordinates of the real golf in each picture, and planning the moving track of the sphere from the multiple pictures; s4 virtual sphere theoretical trajectory simulation; simulating a theoretical moving track of the virtual golf ball according to the moving track of the ball at the planned position in the S3 and the rotating state of the ball; s5 simulating the actual track of the virtual sphere; according to the selected scene, adding environmental interference to the moving track of the ball, calculating the actual moving track of the virtual golf ball, and presenting the actual moving track on a screen.
Preferably, in the step of collecting data at S1, the collected data includes the incident speed and the rotation state of the real golf ball when being hit by the club into the golf course, the sampling frequency of the image is constant, and the sampling period is 0.1S.
Preferably, in the step of S2 sphere positioning, the following process is included: s21, dividing the area; dividing the picture into areas according to the green of the court, the white color of the sphere and the indoor background color, and dividing the picture area into a court area, a background area and a sphere area; s22 calibrating a sphere; and according to the divided sphere areas, the sphere is delineated by red lines.
Preferably, the step of establishing a coordinate system at S3 includes the following steps: s31, establishing a three-dimensional coordinate system; taking the center of the top of the marker post as a zero point O, taking the direction vertical to the court as the positive direction of a Z axis, taking the direction parallel to the edge of the court and extending from the marker post to the position of the screen as the positive direction of a Y axis, and taking the direction parallel to the edge of the court and vertical to the Y axis as an X axis, thereby establishing an XYZO three-dimensional coordinate system; s32 path metrics; according to the image of the same real golf ball collected at the same time point, firstly, the image distance from the zero point O of the image is calculated at the plane position, and the conversion is carried out according to the image and the real scaling scale, so as to obtain the coordinate positions of the real ball body on a plurality of paths in the golf course.
Preferably, in the step of simulating the theoretical trajectory of the virtual sphere at S4, the method includes the following steps: s41 path point confirmation; extracting coordinates of a plurality of path points in the S32, and arranging the coordinates into a coordinate system according to the shooting time; s42 path fitting; according to the obtained multiple coordinate points, the system performs piecewise fitting to complete path equation fitting of each section, so that more points are on the fitting equation as much as possible; connecting the multiple paths to make them continuous, and completing the simulation of virtual path; a theoretical trajectory simulation of the simulated virtual sphere is presented in the simulation system according to the fitted equation.
Preferably, in the step of simulating the virtual sphere actual trajectory in S5, the moving trajectory of the sphere is corrected by analyzing the force applied to the sphere according to the added wind direction disturbance.
A golf ball top-mounted detection system comprises a physical device and a detection module; the solid equipment comprises a court, a screen and a marker post, wherein the screen and the marker post are fixed on the top of the court, the screen and the marker post are oppositely arranged, and a sphere is placed on the top of the marker post; a speedometer and a first camera which are respectively positioned at two sides of the post are fixed at the top of the court, and a second camera is fixed above the court; the first camera collects ball images in YZ direction, and the second camera collects ball images in XY direction; the detection module comprises a data collection module and a calculation module, wherein the data collection module and the calculation module are used for collecting data by utilizing entity equipment.
A golf ball top-mounted detection storage medium, the calculation data is directly stored in ROM and backups are stored in hard disk.
The invention has the beneficial effects that: the invention adopts a camera shooting method to collect data, collects images of the initial shooting speed and the rotary direction of the ball body, then carries out positioning analysis and coordinate determination on the collected images, simulates the motion path of the ball body by utilizing a plurality of determined path coordinates, thereby determining the moving path of the virtual ball body, adding the interference of wind direction and wind power according to the difference of the court selected by a user, correcting the simulated ball body path and improving the reality of indoor batting.
Drawings
Fig. 1 is a schematic view of the structure of a court of the invention;
FIG. 2 is a flow chart of the detection method of the present invention.
Reference numbers in the figures: 1 court, 2 simulation screens, 3 clubs, 4 spheroid, 5 tachymeter, 6 first cameras, 7 second cameras.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to specific embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 and 2, a golf ball top-set type detecting method for detecting a state of a golf ball placed on top, the detecting state of the golf ball including an angle of ejection of the golf ball, a speed of ejection, and a rotation state of a ball body; the detection process comprises the following steps: s1, collecting data; installing a camera and a speed measuring sensor, and carrying out camera shooting collection on the rod and the ball to obtain 20-50 real golf emergent high-definition pictures; s2, positioning a sphere; carrying out image recognition on the obtained high-definition picture, and recognizing and calibrating the position of a real golf ball; s3 establishing a coordinate system; establishing a three-dimensional coordinate system of a simulated court by taking the position of the sphere where the marker post is placed as a zero point, calculating the coordinates of the real golf in each picture, and planning the moving track of the sphere from the multiple pictures; s4 virtual sphere theoretical trajectory simulation; simulating a theoretical moving track of the virtual golf ball according to the moving track of the ball at the planned position in the S3 and the rotating state of the ball; s5 simulating the actual track of the virtual sphere; according to the selected scene, adding environmental interference to the moving track of the ball, calculating the actual moving track of the virtual golf ball, and presenting the actual moving track on a screen.
In the present embodiment, in the step of data collection at S1, the collected data includes the incident speed and the rotation state of the real golf ball when being hit out into the course by the club, the sampling frequency of the image is constant, and the sampling period is 0.1S.
In the present embodiment, in the step of S2 sphere positioning, the following process is included: s21, dividing the area; dividing the picture into areas according to the green of the court, the white color of the sphere and the indoor background color, and dividing the picture area into a court area, a background area and a sphere area; s22 calibrating a sphere; and according to the divided sphere areas, the sphere is delineated by red lines.
In the present embodiment, the step of establishing the coordinate system at S3 includes the following steps: s31, establishing a three-dimensional coordinate system; taking the center of the top of the marker post as a zero point O, taking the direction vertical to the court as the positive direction of a Z axis, taking the direction parallel to the edge of the court and extending from the marker post to the position of the screen as the positive direction of a Y axis, and taking the direction parallel to the edge of the court and vertical to the Y axis as an X axis, thereby establishing an XYZO three-dimensional coordinate system; s32 path metrics; according to the image of the same real golf ball collected at the same time point, firstly, the image distance from the zero point O of the image is calculated at the plane position, and the conversion is carried out according to the image and the real scaling scale, so as to obtain the coordinate positions of the real ball body on a plurality of paths in the golf course.
In this embodiment, the step of simulating the theoretical trajectory of the virtual sphere at S4 includes the following steps: s41 path point confirmation; extracting coordinates of a plurality of path points in the S32, and arranging the coordinates into a coordinate system according to the shooting time; s42 path fitting; according to the obtained multiple coordinate points, the system performs piecewise fitting to complete path equation fitting of each section, so that more points are on the fitting equation as much as possible; connecting the multiple paths to make them continuous, and completing the simulation of virtual path; a theoretical trajectory simulation of the simulated virtual sphere is presented in the simulation system according to the fitted equation.
In this embodiment, in the step of simulating the virtual sphere actual trajectory at S5, the moving trajectory of the sphere is corrected by analyzing the force applied to the sphere according to the added wind direction disturbance.
A golf ball top-mounted detection system comprises a physical device and a detection module; the solid equipment comprises a court 1, a screen 2 and a post 3 which are fixed on the top of the court 1, wherein the screen 2 and the post 3 are arranged oppositely, and a sphere 4 is placed on the top of the post 3; a speedometer 5 and a first camera 6 which are respectively positioned at two sides of the post 3 are fixed at the top of the court 1, and a second camera 7 is fixed above the court 1; the first camera 6 collects ball images in YZ direction, and the second camera 7 collects ball images in XY direction; the detection module comprises a data collection module and a calculation module, wherein the data collection module and the calculation module are used for collecting data by utilizing entity equipment.
A golf ball top-mounted detection storage medium, the calculation data is directly stored in ROM and backups are stored in hard disk.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A golf ball top-placing type detection method is used for detecting the state of a golf ball placed on the top, and is characterized in that the detection state of the golf ball comprises the angle of the golf ball, the speed of the golf ball and the rotation state of a ball body; the detection process comprises the following steps:
s1, collecting data; installing a camera and a speed measuring sensor, and carrying out camera shooting collection on the rod and the ball to obtain 20-50 real golf emergent high-definition pictures;
s2, positioning a sphere; carrying out image recognition on the obtained high-definition picture, and recognizing and calibrating the position of a real golf ball;
s3 establishing a coordinate system; establishing a three-dimensional coordinate system of a simulated court by taking the position of the sphere where the marker post is placed as a zero point, calculating the coordinates of the real golf in each picture, and planning the moving track of the sphere from the multiple pictures;
s4 virtual sphere theoretical trajectory simulation; simulating a theoretical moving track of the virtual golf ball according to the moving track of the ball at the planned position in the S3 and the rotating state of the ball;
s5 simulating the actual track of the virtual sphere; according to the selected scene, adding environmental interference to the moving track of the ball, calculating the actual moving track of the virtual golf ball, and presenting the actual moving track on a screen.
2. The golf ball top-set detection method according to claim 1, wherein in the step of collecting data at S1, the collected data includes the incident speed and the rotation state of the real golf ball when being hit by the club into the course, the sampling frequency of the image is constant, and the sampling period is 0.1S.
3. The golf ball top-loading detecting method according to claim 1, wherein the step of positioning the ball at S2 comprises the following steps:
s21, dividing the area; dividing the picture into areas according to the green of the court, the white color of the sphere and the indoor background color, and dividing the picture area into a court area, a background area and a sphere area;
s22 calibrating a sphere; and according to the divided sphere areas, the sphere is delineated by red lines.
4. The golf ball top-loading detecting method according to claim 1, wherein the step of establishing a coordinate system at S3 comprises the following steps:
s31, establishing a three-dimensional coordinate system; taking the center of the top of the marker post as a zero point O, taking the direction vertical to the court as the positive direction of a Z axis, taking the direction parallel to the edge of the court and extending from the marker post to the position of the screen as the positive direction of a Y axis, and taking the direction parallel to the edge of the court and vertical to the Y axis as an X axis, thereby establishing an XYZO three-dimensional coordinate system;
s32 path metrics; according to the image of the same real golf ball collected at the same time point, firstly, the image distance from the zero point O of the image is calculated at the plane position, and the conversion is carried out according to the image and the real scaling scale, so as to obtain the coordinate positions of the real ball body on a plurality of paths in the golf course.
5. The golf ball top-set detection method according to claim 1, wherein the step of simulating the theoretical trajectory of the virtual sphere at S4 comprises the steps of:
s41 path point confirmation; extracting coordinates of a plurality of path points in the S32, and arranging the coordinates into a coordinate system according to the shooting time;
s42 path fitting; according to the obtained multiple coordinate points, the system performs piecewise fitting to complete path equation fitting of each section, so that more points are on the fitting equation as much as possible; connecting the multiple paths to make them continuous, and completing the simulation of virtual path; a theoretical trajectory simulation of the simulated virtual sphere is presented in the simulation system according to the fitted equation.
6. The golf ball top-mounted detection method according to claim 1, wherein in the step of simulating the virtual sphere actual trajectory at S5, the moving trajectory of the sphere is corrected by analyzing the applied force to the sphere according to the added wind direction disturbance.
7. A golf ball top-mounted detection system is characterized by comprising physical equipment and a detection module; the entity equipment comprises a court (1), and a screen (2) and a marker post (3) which are fixed on the top of the court (1), wherein the screen (2) and the marker post (3) are arranged oppositely, and a sphere (4) is placed on the top of the marker post (3); a speedometer (5) and a first camera (6) which are respectively positioned at two sides of the marker post (3) are fixed at the top of the court (1), and a second camera (7) is fixed above the court (1); the first camera (6) collects ball images in YZ direction, and the second camera (7) collects ball images in XY direction; the detection module comprises a data collection module and a calculation module, wherein the data collection module and the calculation module are used for collecting data by utilizing entity equipment.
8. A golf ball top-mounted detection storage medium is characterized in that calculation data is directly stored in a ROM and is backed up and stored in a hard disk.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116271766A (en) * | 2022-09-07 | 2023-06-23 | 彭峻 | Tennis training simulation method and device, electronic equipment and storage medium |
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