CN110960843A - Basketball skill auxiliary training system - Google Patents
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- CN110960843A CN110960843A CN201911338575.3A CN201911338575A CN110960843A CN 110960843 A CN110960843 A CN 110960843A CN 201911338575 A CN201911338575 A CN 201911338575A CN 110960843 A CN110960843 A CN 110960843A
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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
- A63B69/0071—Training appliances or apparatus for special sports for basketball
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/20—Analysis of motion
- G06T7/246—Analysis of motion using feature-based methods, e.g. the tracking of corners or segments
- G06T7/248—Analysis of motion using feature-based methods, e.g. the tracking of corners or segments involving reference images or patches
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/40—Analysis of texture
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- 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
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30241—Trajectory
Abstract
The invention discloses a basketball skill auxiliary training system, which relates to the technical field of basketball training teaching and comprises a three-dimensional model module, an information acquisition module, a trajectory tracking module, a trend operation module, a characteristic correction module and a training feedback module; through information acquisition module includes human characteristic module, sensor information module, target display module, gathers the training person sign, when the basketball throws, trajectory tracking module and trend operation module are to the real-time observation record of basketball flight orbit, and the characteristic is corrected and is trained feedback module and carry out standard judgement and correction to training person, through three-dimensional model module set up three-dimensional model, throw the orbit analysis to the basketball, improve the organism regulation of basketball throw angle, dynamics and different aspects.
Description
Technical Field
The invention relates to the technical field of basketball training teaching, in particular to a basketball skill auxiliary training system.
Background
At present, in the basketball game, the fixed point shooting score is an important skill, and is an important skill which is victimized by the score pulling and the critical moment, so the training of the fixed point shooting score is particularly important in the basketball training. Present training mode, generally place a plurality of basketballs in great frame, then the training person gets from big frame and shoots the training with the basketball, shoot and finish to pick up the basketball by other people specially to come to place again in the frame in order to use subsequent training person, current training person need go in turn to pick up the ball, it is very inconvenient to get the ball from the frame on the one hand like this, especially when the bottom of frame is arrived soon, it is very hard to get the ball, training person's training rhythm has been disturbed, make the shooting of just cultivateing feel to interrupt, be unfavorable for the training of smooth system. Moreover, due to the lack of professional knowledge and systematic training, people shoot the basketball with various shooting actions, and the shooting action is strange and wrong, so that the judgment of the shooting action on the flight path of the basketball and the control of the shooting force of the basketball on the shooting action of the basketball are easily caused, the appreciation of the basketball is influenced, the shooting action of the basketball cannot be judged and analyzed in real time, and the shooting training efficiency is extremely low.
Disclosure of Invention
The invention aims at the problems and provides a basketball skill auxiliary training system which comprises a three-dimensional model module, an information acquisition module, a data evaluation module, a trajectory tracking module, a trend operation module, a characteristic correction module and a training feedback module;
the three-dimensional model module is used for establishing a three-dimensional model with a space coordinate system for basketball projection in the training process;
the information acquisition module is used for adjusting and recording the motion condition of the trainer in real time;
the information acquisition module comprises a human body characteristic module, a sensor information module and a target display module;
the human body characteristic module is used for displaying and recording the motion mode of the trainer;
the sensor information module is used for recording the conditions of all parts of the body of a trainer during exercise training;
the target display module is used for processing and integrating the sensor information on the body of the trainer;
the data evaluation module is used for evaluating the information index in the whole process of throwing the basketball by the trainer;
the track tracking module is used for tracking and recording the flight track of the basketball shot by the trainer in real time;
the trend operation module is used for performing trend checking operation on the tracking condition of the thrown basketball track;
the characteristic correction module is used for editing the standard shooting mode to form a database and performing reference correction on the standard shooting mode and the trainer shooting mode;
and the training feedback module is used for recording and storing the training process of the trainer to form a training library.
Furthermore, the system also comprises an action judgment module which is used for judging the action standard of the trainer in basketball shooting.
Furthermore, the three-dimensional model module comprises a coordinate extraction module and a finite element analysis module, wherein the coordinate extraction module is used for calculating the corresponding space coordinate value of the established three-dimensional model by a least square method; uniformly dividing a three-dimensional model into small rectangles based on a selected plane as a coordinate bottom surface, and obtaining the space coordinates of a point by a least square fitting algorithm according to the space coordinates of the small rectangles through fixed point coordinates and four points of the small rectangles surrounding the fixed point; and the finite element analysis module is used for carrying out finite element analysis model refinement on the established three-dimensional model, and carrying out finite element analysis refinement on the three-dimensional model containing the space coordinates through the finite element analysis module to obtain a three-dimensional labeling model.
Furthermore, the human body feature module comprises a scanning device, an analysis and recombination module and an arrangement and registration module, wherein the scanning device performs projection through a holographic display system, the analysis and recombination module is used for performing skin layering processing on the rendered holographic displayed human body model, meanwhile, a filtering unit in the analysis and recombination module performs filtering and drying-removing processing, and the arrangement and registration module is used for performing integrated arrangement on the processed human body model to obtain a high-quality texture image; the method comprises the steps of scanning and rendering a trainer for a holographic scanner through scanning equipment, analyzing and recombining rendered images from inside to outside of human skin into a multilayer structure through an analysis and recombination module, and filtering and drying each layer of structure through a filtering unit to form high-definition textures.
Furthermore, the sensor information module is characterized in that training induction sensors are added to the upper limbs and the lower limbs of a person, the training induction sensors rapidly process the information according to the difference of the bioelectric current waveform during movement measurement and the bioelectric current waveform during normal operation and the comparison information of the bending pressure sensor of the limbs during projection by a singlechip in the target display module, and the MCU controller synchronously processes the processed information and finally feeds back and displays the processed information in the human body model with holographic display.
Furthermore, the trajectory tracking module comprises a camera device and an IMU module, the angle of the shot basketball is measured through an angle sensor and then enters the shooting device, the camera device shoots and records the movement trajectory of the basketball hoop after shooting under the action of a high-frequency camera, the IMU module is arranged inside the basketball and used for recording the speed information of the trajectory of the basketball and combining the speed information with the data of the shooting record, a dynamic model is established through linearization, a corresponding trajectory with a small error performance index is obtained and then recorded in the three-dimensional model module, and a texture finite element trajectory coordinate image is established.
Furthermore, the training feedback module finally forms a standard training model database through standard training and recognition, and performs training judgment on the display in the information acquisition module in combination with the data evaluation module and the distortion test in the process of shooting the basketball under the track tracking module and the trend operation module.
A basketball skill training aid system comprising the steps of:
s1: firstly, three-dimensional modeling is carried out on a projection field through the three-dimensional model module, and a space coordinate is established by taking a selected plane as a coordinate bottom surface;
s2: then, the motion mode of the trainer is displayed and recorded through a human body characteristic module, the motion condition of the body of the trainer is recorded through sensors on all parts of the body of the trainer, and the data of the training induction sensors are processed, integrated and displayed through the target display module;
s3: when a trainer wears the training induction sensor to shoot the basketball, the shooting posture is subjected to standard judgment through the action judgment module, then the information fed back by the sensor is used, the trend operation module is used for analyzing and processing the feedback information to calculate the preset flight track of the basketball in the shooting field, and the preset flight track is displayed in the three-dimensional model module;
s4: the basketball shooting device comprises a trajectory tracking module, a training feedback module and a characteristic correction module, wherein the trajectory tracking module shoots and records a flight trajectory of a basketball projected to a projection field in a three-dimensional model to obtain a flight trajectory image in the basketball projection process, meanwhile, the training feedback module forms a standard training database through standard training and recognition, and the characteristic correction module compares and analyzes the flight trajectory image and the training database during projection to perform reference correction.
Further, the projection site in the step S1 includes a training frame, a basket is disposed at the rear end of the training frame, an inclined buffer board is disposed in the training frame, a spring is disposed between the lower portion of the buffer board and the vertical portion of the training frame, a guide board is obliquely disposed on one side of the training frame above the buffer board, an arc groove is disposed at the front end of the training frame, an arc slide rail corresponding to the arc groove is disposed in front of the training frame, a standing board is disposed on the arc slide rail, connecting rods are respectively connected to the left side and the right side of the standing board and the inner wall and the outer wall of the arc groove, and a baffle is disposed in the arc groove.
Furthermore, in the trajectory tracking module in step S4, the IMU module is used to perform information feedback on the basketball during flying, so as to increase the calculation of the linear velocity, and the acceleration threshold value in the three-axis attitude in the three-dimensional coordinate system is calculated when the flight trajectory is determined, and then the linear velocity threshold value is determined, so as to perform the difference operation on the linear velocity and the standard flight trajectory matched with the training feedback module.
The invention has the advantages that: different projection angles of the trainer in the basketball projection process are adjusted through the projection equipment, so that the applicability is improved; by three-dimensional modeling of the projection equipment, the basketball flight trajectory in the basketball projection process can be observed and analyzed in real time, and the projection strength, the projection angle and different aspects of a trainer can be adjusted and analyzed; by carrying out holographic projection and body characteristic analysis on the trainer, the body adjusting capability of the trainer during projection can be observed and recorded, and the targeted training of the trainer in the later period is facilitated; through carrying out real-time recording and contrast to basketball flight orbit, can throw the in-process to the training person at the basketball and carry out data analysis, guarantee that the training person knows self problem and throw the problem of in-process, standardize the action of shooting, improve and throw efficiency.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
FIG. 1 is a flow chart of the present invention.
FIG. 2 is a schematic structural view of a projection apparatus of the present invention;
figure 3 is a top view of the apparatus of the present invention.
Reference numerals:
1 is training frame, 2 is the basket, 3 is the buffer board, 4 is the spring, 5 is the deflector, 6 is the arc recess, 7 is the arc slide rail, 8 is the board of standing, 9 is the connecting rod, 10 is the baffle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, as shown in fig. 1, a basketball skill auxiliary training system includes a three-dimensional model module, an information acquisition module, a data evaluation module, a trajectory tracking module, a trend operation module, a feature correction module, and a training feedback module;
the three-dimensional model module is used for establishing a three-dimensional model with a space coordinate system for basketball projection in the training process;
the information acquisition module is used for adjusting and recording the motion condition of the trainer in real time;
the information acquisition module comprises a human body characteristic module, a sensor information module and a target display module;
the human body characteristic module is used for displaying and recording the motion mode of the trainer;
the sensor information module is used for recording the conditions of all parts of the body of a trainer during exercise training;
the target display module is used for processing and integrating the sensor information on the body of the trainer;
the data evaluation module is used for evaluating the information index in the whole process of throwing the basketball by the trainer;
the track tracking module is used for tracking and recording the flight track of the basketball shot by the trainer in real time;
the trend operation module is used for performing trend checking operation on the tracking condition of the thrown basketball track;
the characteristic correction module is used for editing the standard shooting mode to form a database and performing reference correction on the standard shooting mode and the trainer shooting mode;
and the training feedback module is used for recording and storing the training process of the trainer to form a training library.
And the action judgment module is used for judging the action standard of the trainer during basketball shooting.
The three-dimensional model module comprises a coordinate extraction module and a finite element analysis module, wherein the coordinate extraction module is used for calculating a corresponding space coordinate value of the established three-dimensional model according to a least square method; uniformly dividing a three-dimensional model into small rectangles based on a selected plane as a coordinate bottom surface, and obtaining the space coordinates of a point by a least square fitting algorithm according to the space coordinates of the small rectangles through fixed point coordinates and four points of the small rectangles surrounding the fixed point; and the finite element analysis module is used for carrying out finite element analysis model refinement on the established three-dimensional model, carrying out finite element analysis refinement on the three-dimensional model containing the space coordinates through the finite element analysis module, and obtaining the three-dimensional labeling model.
The human body characteristic module comprises scanning equipment, an analysis recombination module and an arrangement registration module, wherein the scanning equipment performs projection through a holographic display system, the analysis recombination module is used for performing skin layering processing on a rendered holographic displayed human body model, meanwhile, a filtering unit in the analysis recombination module performs filtering and drying processing, and the arrangement registration module is used for performing integrated arrangement on the processed human body model to obtain a high-quality texture image; the method comprises the steps of scanning and rendering a trainer for a holographic scanner through scanning equipment, analyzing and recombining rendered images from inside to outside of human skin into a multilayer structure through an analysis and recombination module, and filtering and drying each layer of structure through a filtering unit to form high-definition textures.
The sensor information module is characterized in that training induction sensors are added to the upper limbs and the lower limbs of a person, the training induction sensors rapidly process information through a single chip microcomputer in a target display module according to the difference of a biological current waveform during movement and a biological current at the elevation in a normal state and comparison information of a bending pressure sensor of the limbs during projection, and an MCU controller synchronously processes the processed information and finally feeds back and displays the processed information in a holographically displayed human body model.
The track tracking module comprises a camera device and an IMU module, the basketball projected is measured through an angle sensor, then the basketball enters the projection device, the camera device is used for shooting and recording the movement track of the basketball hoop projected under the action of a high-frequency camera, the IMU module is arranged inside the basketball and used for recording the speed information of the basketball track, the speed information is combined with the data of the shooting and recording, a dynamic model is established through linearization, the track corresponding to the small error performance index is obtained, the track corresponding to the small error performance index is recorded in the three-dimensional model module, and a texture finite element track coordinate image is established.
And the training feedback module is used for finally forming a standard training model database through standard training and recognition, and training and judging the display in the information acquisition module in combination with the data evaluation module and the distortion test in the process of shooting the basketball under the track tracking module and the trend operation module.
A method of assisting a basketball skill training system, comprising the steps of:
s1: firstly, three-dimensional modeling is carried out on a projection field through a three-dimensional model module, then fixed point coordinates are selected by taking a selected plane as a coordinate bottom surface, a coordinate system consisting of a plurality of small rectangles is established in a coordinate extraction module, the formed coordinate system is subjected to space coordinate calculation based on the fixed point coordinates on the small rectangles by adopting a least square fitting algorithm, space coordinates of four points of each small rectangle are obtained, and a finite element analysis module carries out finite element analysis refinement on the coordinate system containing the space coordinates;
s2: then, under the action of a holographic display system, a human body model of a trainer is subjected to projection display, an analysis recombination module is used for filtering and drying after the skin of the projection display model is layered from inside to outside, an arrangement and registration module is used for integrating and arranging to obtain a high-quality texture image, meanwhile, a sensor information module is used for adding training induction sensors to the upper limbs and the lower limbs of a human body, and a target display module is used for processing and integrating data of the training induction sensors and transmitting the data to a projection display module for display;
s3: when a trainer wears the training induction sensor to shoot the basketball, the action judgment module is used for carrying out standard judgment on the shooting posture, then the information fed back by the sensor is used, the trend operation module is used for analyzing and processing the feedback information to calculate the preset flight track of the basketball in the shooting field, and the preset flight track is displayed in the three-dimensional model module.
S4: the system comprises a trajectory tracking module, a finite element analysis module, a training feedback module, a characteristic correction module and a dynamic model, wherein the trajectory tracking module shoots and records the flight trajectory of a basketball projected to a projection field in a three-dimensional model, then a dynamic model is established and finite element refinement analysis is carried out under the action of the finite element analysis module to obtain a flight trajectory image in the basketball projection process, meanwhile, the training feedback module forms a standard training database through standard training and recognition, and the characteristic correction module carries out comparison analysis on the flight trajectory image and the training database during projection and carries out reference correction;
the system is externally connected with a display screen and used for displaying information fed back by each module.
Referring to fig. 2 and 3, as shown in fig. 2 and 3, in the method of the basketball skill auxiliary training system, the shooting ground in step S1 includes a training frame 1, a basket 2 is disposed at the rear end of the training frame 1, an inclined buffer plate 3 is disposed in the training frame 1, a spring 4 is disposed between the lower portion of the buffer plate 3 and the vertical direction of the training frame 1, a guide plate 5 is obliquely disposed at one side of the training frame 1 above the buffer plate 3, an arc groove 6 is disposed at the front end of the training frame 1, the vertical height of the arc groove 6 is lower than the height of the buffer 3, an arc slide rail 7 corresponding to the arc groove 6 is disposed in front of the training frame 1, a standing plate 8 is disposed on the arc slide rail 7, connecting rods 9 are respectively connected to the inner and outer walls of the arc groove 6 at the left and right sides of the standing plate 8, the connecting rods 9 are disposed in the arc groove 6, a baffle plate 10 is disposed in the arc groove 6, the connecting rod 9 is in sliding connection with the arc-shaped groove 6;
the sport method of the projection field comprises the following steps: through adjusting stand 8 position relation on arc slide rail 7, the training person stands and carries out the basketball on stand 8 and throws, and after the basketball throws and falls, buffer board 3 cushions the basketball under the effect of spring, in the arc recess 6 flows through deflector 5, baffle 10 intercepts the basketball in arc recess 6, and the training person can the basketball once more throw, through the removal of stand 8 at arc slide rail 7, and then realizes throwing of different angles to the basketball.
In the step S4, the trajectory tracking module feeds back information when the basketball flies through the IMU module, increases the calculation of the linear velocity, calculates the acceleration threshold value under the triaxial attitude in the three-dimensional coordinate system when judging the flight trajectory, then judges the linear velocity threshold value, and further performs difference operation on the standard flight trajectory of which the linear velocity is matched with the training feedback module.
The basketball shooting device adjusts different shooting angles of a trainer in the basketball shooting process through the shooting equipment, so that the applicability is improved; by three-dimensional modeling of the projection equipment, the basketball flight trajectory in the basketball projection process can be observed and analyzed in real time, and the projection strength, the projection angle and different aspects of a trainer can be adjusted and analyzed; by carrying out holographic projection and body characteristic analysis on the trainer, the body adjusting capability of the trainer during projection can be observed and recorded, and the targeted training of the trainer in the later period is facilitated; through carrying out real-time recording and contrast to basketball flight orbit, can throw the in-process to the training person at the basketball and carry out data analysis, guarantee that the training person knows self problem and throw the problem of in-process, standardize the action of shooting, improve and throw efficiency.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A basketball skill auxiliary training system is characterized by comprising a three-dimensional model module, an information acquisition module, a data evaluation module, a trajectory tracking module, a trend operation module, a characteristic correction module and a training feedback module;
the three-dimensional model module is used for establishing a three-dimensional model with a space coordinate system for basketball projection in the training process;
the information acquisition module is used for adjusting and recording the motion condition of the trainer in real time;
the information acquisition module comprises a human body characteristic module, a sensor information module and a target display module;
the human body characteristic module is used for displaying and recording the motion mode of the trainer;
the sensor information module is used for recording the conditions of all parts of the body of a trainer during exercise training;
the target display module is used for processing and integrating the sensor information on the body of the trainer;
the data evaluation module is used for evaluating the information index in the whole process of throwing the basketball by the trainer;
the track tracking module is used for tracking and recording the flight track of the basketball shot by the trainer in real time;
the trend operation module is used for performing trend checking operation on the tracking condition of the thrown basketball track;
the characteristic correction module is used for editing the standard shooting mode to form a database and performing reference correction on the standard shooting mode and the trainer shooting mode;
and the training feedback module is used for recording and storing the training process of the trainer to form a training library.
2. The basketball skill training aid system as recited in claim 1, further comprising a motion determination module for determining the motion criteria of the trainer when shooting the basketball.
3. The basketball skill training system as claimed in claim 1, wherein said three-dimensional model module comprises a coordinate extraction module and a finite element analysis module, said coordinate extraction module is used for calculating the corresponding space coordinate value of the established three-dimensional model according to the least square method; uniformly dividing a three-dimensional model into small rectangles based on a selected plane as a coordinate bottom surface, and obtaining the space coordinates of a point by a least square fitting algorithm according to the space coordinates of the small rectangles through fixed point coordinates and four points of the small rectangles surrounding the fixed point; and the finite element analysis module is used for carrying out finite element analysis model refinement on the established three-dimensional model, and carrying out finite element analysis refinement on the three-dimensional model containing the space coordinates through the finite element analysis module to obtain a three-dimensional labeling model.
4. The basketball skill auxiliary training system as claimed in claim 1, wherein the human body feature module comprises a scanning device, an analysis and reorganization module and an arrangement and registration module, the scanning device performs projection through the holographic display system, the analysis and reorganization module is used for performing skin layering processing on the rendered holographic displayed human body model, meanwhile, a filtering unit in the analysis and reorganization module performs filtering and drying processing, and the arrangement and registration module is used for performing integration and arrangement on the processed human body model to obtain a high-quality texture image; the method comprises the steps of scanning and rendering a trainer for a holographic scanner through scanning equipment, analyzing and recombining rendered images from inside to outside of human skin into a multilayer structure through an analysis and recombination module, and filtering and drying each layer of structure through a filtering unit to form high-definition textures.
5. The basketball skill auxiliary training system as claimed in claim 1, wherein the sensor information module is configured to add training inductive sensors to the upper and lower limbs of the human body, the training inductive sensors rapidly process the information by a single chip in the target display module according to the difference between the measured bioelectric current waveform during exercise and the bioelectric current waveform during normal exercise in elevation and the comparison information of the bending pressure sensor of the limbs during projection, and the MCU controller synchronously processes the processed information and finally feeds back the processed information to the human body model for holographic display.
6. The basketball skill auxiliary training system as claimed in claim 1, wherein the trajectory tracking module comprises a camera device and an IMU module, the camera device is a high-frequency camera for taking and recording the movement trajectory projected to the basketball rim, the IMU module is arranged inside the basketball for recording the speed information of the basketball trajectory, combining with the data of the shooting record, building a dynamic model by linearization, obtaining a corresponding trajectory with a small error performance index, and recording the trajectory into the three-dimensional model module to build a texture finite element trajectory coordinate image.
7. The basketball skill training aid system according to claim 1, wherein the training feedback module is used for training and identifying through standard training to finally form a standard training model database, and the training judgment is performed on the basketball projection process through the trajectory tracking module and the trend operation module in combination with the data evaluation module and the distortion test in the display of the information acquisition module.
8. A basketball skill training aid system for use in the basketball skill training aid system according to any one of claims 1-7, comprising the steps of:
s1: firstly, three-dimensional modeling is carried out on a projection field through the three-dimensional model module, and a space coordinate is established by taking a selected plane as a coordinate bottom surface;
s2: then, the motion mode of the trainer is displayed and recorded through a human body characteristic module, the motion condition of the body of the trainer is recorded through sensors on all parts of the body of the trainer, and the data of the training induction sensors are processed, integrated and displayed through the target display module;
s3: when a trainer wears the training induction sensor to shoot the basketball, the shooting posture is subjected to standard judgment through the action judgment module, then the information fed back by the sensor is used, the trend operation module is used for analyzing and processing the feedback information to calculate the preset flight track of the basketball in the shooting field, and the preset flight track is displayed in the three-dimensional model module;
s4: the basketball shooting device comprises a trajectory tracking module, a training feedback module and a characteristic correction module, wherein the trajectory tracking module shoots and records a flight trajectory of a basketball projected to a projection field in a three-dimensional model to obtain a flight trajectory image in the basketball projection process, meanwhile, the training feedback module forms a standard training database through standard training and recognition, and the characteristic correction module compares and analyzes the flight trajectory image and the training database during projection to perform reference correction.
9. The method of basketball skill auxiliary training system according to claim 8, wherein the shooting ground in the step S1 comprises a training frame (1), the training frame (1) is provided with a basket (2) at the rear end, the training frame (1) is provided with an inclined buffer board (3), a spring (4) is arranged between the lower part of the buffer board (3) and the vertical direction of the training frame (1), a guide board (5) is obliquely arranged at one side of the training frame (1) above the buffer board (3), the front end of the training frame (1) is provided with an arc-shaped groove (6), an arc-shaped slide rail (7) corresponding to the arc-shaped groove (6) is arranged in front of the training frame (1), a standing board (8) is arranged on the arc-shaped slide rail (7), and the left side and the right side of the standing board (8) are respectively connected with the inner wall and the outer wall of the arc-shaped groove (6) through, the connecting rod (9) is positioned in the arc-shaped groove (6) and is internally provided with a baffle (10).
10. The method for assisting training system of basketball skills according to claim 7, wherein in said step S4, said trajectory tracking module feeds back information for basketball flight through the IMU module, and increases the calculation of linear velocity, and calculates the acceleration threshold value under three-axis attitude in three-dimensional coordinate system when judging flight trajectory, and then judges the linear velocity threshold value, and further performs difference operation on the standard flight trajectory of which linear velocity matches with said training feedback module.
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