190 results about "Ball tennis" patented technology

An apparatus and a method are provided for a sports paddle for pickleball, tennis, smashball, ping pong, or racquetball. The sports paddle comprises a planar portion defining opposing flat surfaces for striking a ball and a handle portion for grasping in a hand. A skin layer encloses the planar portion and the handle portion. Rounded edges are disposed around the planar portion and the handle portion. The planar portion may comprise a core material surrounded by a rigid portion. The rigid portion may comprise 20-24 lb. foam while the core material is a honeycomb structured material. A synthetic or polymeric grip is wrapped around the handle portion to provide stability and firmness for a player. A binding secures the grip to a neck of the planar portion. An end cap placed at an end of the handle provides support and protection of the paddle.

The invention relates to the technical field of artificial intelligence, in particular to a multi-dimensional tennis action analysis system, which comprises a data acquisition module, a data preprocessing module, an evaluation analysis module and a feedback interaction module, and is characterized in that the data acquisition module comprises a posture data acquisition unit, a ball path and walking tracking unit and a motion parameter acquisition unit; the data preprocessing module carries out space-time calibration on posture, track and motion parameters based on a timestamp synchronization mechanism, a fusion data set is formed through data cleaning and standardization processing, and the evaluation analysis module is used for distinguishing action types, integrating scores of posture dimensions, power generation dimensions and drop point dimensions and generating a comprehensive evaluation report; and the feedback interaction module displays an evaluation result in real time on an interface based on characters and visual icons and outputs historical analysis. According to the invention, the data validity is guaranteed, the error interference is eliminated, the analysis efficiency and the professionality of the evaluation result are improved, the use threshold is reduced, and the universality and practicability of the system are improved.

[The proposed invention consists of a dividing-net and a lightweight frame which can be rapidly and easily assembled and disassembled repeatedly with the use of multiple pole segments which are fully or partially connected when expanded and collapsed. The net system can be stored and carried in a compact configuration. This net system can be applied to the design of net systems for numerous sports including pickleball, tennis, badminton and other sports with similar net-system requirements including all where the net-system divides a court or any space into two pieces. The net system can come in variable lengths such as one which could divide a standard court or portion thereof, or a shorter length to create net systems that can collapse and fit in piece of luggage or even a backpack.

A scoop collector for court balls includes a container with an open front into which balls can roll through the open front. A push handle is operably connected to the container. A ball retaining device allows the balls to roll into the container and prevents the balls from rolling out of the container. The ball retaining device can include a plurality of flappers, an elastic cord, and / or a roller that extend(s) across the open front of the container. The container can be translucent and can be removably supported on a frame. The push handle can be secured in a fixed position by a hook. Wings can be provided adjacent the open front of the container to funnel balls into the container.

The invention provides a tennis player sport injury risk early warning analysis method, which comprises the following steps of: preprocessing acquired multi-dimensional sport data, accurately modeling time sequence dependence and dynamically focusing key features by utilizing a model architecture combining a long-short term memory network and an attention mechanism; through interpretability constraint loss function and Grad-CAM thermodynamic diagram visualization, high-risk action stages and key features are automatically extracted from a model decision path, a causal analysis interpretation report is generated, and finally real-time prediction and interpretation of damage risk levels are realized. According to the method, the accuracy of risk identification, the interpretability of model output and the adaptability of actual deployment are effectively improved, and scientific auxiliary decision making of coaches and medical teams is facilitated.

1. Name of the designed product: double-shoulder bag (tennis pocket). 2. Use of the designed product: the designed product is used for packing tennis racket and sports goods. 3. Design points of the designed product: the combination of shape and color. 4. Picture or photo showing the design points: front view. 5. The designed product contains color.

The invention provides a tennis ball receiving and dispatching intelligent vehicle based on machine vision and a working method of the tennis ball receiving and dispatching intelligent vehicle. The intelligent vehicle is composed of a visual recognition module, an automatic picking module, a motion control module and an intelligent ball serving module. The visual identification part adopts a double-strategy fusion case, and obtains the accurate three-dimensional pose of the tennis ball through contour and height feature matching; the automatic picking module is of a belt transmission integrated structure, and continuous rolling-in, separation and warehousing of the tennis balls are achieved. The motion control module is based on a crawler-type differential chassis and a PID algorithm, and precise control over paths and postures is achieved. The intelligent serving module adopts a double-friction-wheel differential serving structure and is combined with a pitch angle and horizontal angle adjusting mechanism, so that multiple types of serving such as upward rotation, downward rotation and flat striking are realized, and the serving mode can be dynamically adjusted according to action characteristics of a trainer. The system can automatically complete the whole process of tennis ball recognition, picking, storage, moving and serving, the training efficiency and the automation level are improved, the labor burden is reduced, and the system is suitable for multi-scene and multi-intensity tennis training.

The invention relates to the technical field of artificial intelligence and sports data analysis, and discloses a high-performance ball sports real-time event analysis AI system which comprises a data acquisition module, a feature extraction and ball positioning module and an event recognition and multi-view fusion module. The data acquisition module comprises a camera configuration and video stream acquisition unit, a video frame extraction and preliminary processing unit and an image enhancement and noise removal unit. The camera configuration and video stream acquisition unit is used for acquiring real-time image data of ball games. According to feature extraction and time identification, event analysis is transferred from a full-field video to a small video with a ball as the center, so that the calculation complexity and memory occupation are remarkably reduced, meanwhile, the classification precision of ball game events is improved through multi-view data fusion, and the system is suitable for various ball games such as football games, basketball games and tennis games and also suitable for various ball games such as basketball games and tennis games. And the method can be widely applied to scenes such as match analysis, training assistance and match live broadcast, and has important practical value and market potential.

To facilitate the use of a match random number table prepared so as to equally combine matches in a practice match of doubles such as tennis.SOLUTION: A mark of a slide mechanism is provided on a long and narrow sheet-like bundle on which a match random number table of a game is printed for each number of participants. At the time of use, the sheet of the game random number table matched with the number of persons is turned to the top, the mark of the slide mechanism is passed through and the mark is slid matched with the game so that the combination of the next game can be successively grasped.SELECTED DRAWING: Figure 3

1. Name of the design product: ball throwing machine. 2. Use of the design product: used for serving in sports events of round balls such as table tennis, tennis, etc. 3. Design points of the design product: in shape. 4. Picture or photo best indicating the design points: perspective view.

The utility model discloses a rubber turning device of a tennis open mill, which relates to the technical field of tennis open mills and comprises an open mill main body, a first roller and a second roller are arranged in the open mill main body, and a driving motor main body is arranged on one side of the first roller and one side of the second roller. A first screw rod is rotatably arranged at the end, away from the second roller, of the first roller, and a first servo motor is arranged on one side of the driving motor body. Meanwhile, a worker controls the rotating speed of a first servo motor, so that the rubber tapping speed of the cutting knife block can be flexibly adjusted, the problems that the labor intensity of manual rubber tapping is large, and the quality of manual rubber tapping is difficult to guarantee are solved, meanwhile, the rubber tapping quality of different workers is different, and the working efficiency is improved. And the yield and the quality stability of the tennis balls are directly influenced.

The invention discloses a tennis video data labeling method and system, and relates to the technical field of artificial intelligence, and the method comprises the steps: obtaining a tennis video image frame, and determining the coordinates of a normalized court key point and the visibility of the court key point through a convolution improved YOLOv11 court key point recognition model, determining upper team area segmentation line coordinates by adopting the normalized court key point coordinates, determining normalized personnel bounding box coordinates based on a personnel target detection model, and determining player bounding box coordinates according to the upper team area segmentation line coordinates and the normalized personnel bounding box coordinates, area-of-interest images of bounding box coordinates of all players are extracted and input into a human body posture estimation model to determine skeleton point coordinates and skeleton point visibility of the players, an improved YOLOv11 tennis target detection model is adopted to determine normalized tennis bounding box coordinates for tennis video image frames, and data are hierarchically integrated to determine a tennis mark data set. Based on the above scheme, the reliability of tennis video data labeling is improved.

The invention is suitable for the technical field of crossing of computer vision, artificial intelligence and sports science, and provides a tennis posture evaluation system based on multi-modal data fusion, which comprises a three-dimensional posture extraction module, an action recognition module, an index calculation module and a natural language evaluation generation module, the three-dimensional posture extraction module is used for extracting a human body three-dimensional key point sequence from a monocular video according to an STCFormer model; the action recognition module is used for performing standardization processing, Bi-LSTM network processing and full-connection classification network processing on the human body three-dimensional key point sequence to obtain tennis action types; the index calculation module is used for calculating biomechanical parameters according to the action type and the human body three-dimensional key point sequence; and the natural language evaluation generation module is used for inputting the action type and the biomechanical parameters into a preset large language model to generate feedback information in a natural language form. Therefore, end-to-end automatic processing from original video input to final professional evaluation report generation is realized, and objectivity and accuracy of evaluation results are improved.

A computing system receives pre-match data for an upcoming match between a first player and a second player. The computing system generates, using one or more prediction models, one or more pre-match predictions based on the pre-match data. The computing system receives in-match data for the match currently in progress. The computing system generates, using the one or more prediction models, one or more live match predictions based on the in-match data.

The utility model relates to the technical field of sports equipment, and discloses a tennis racket holding posture training structure which comprises a racket handle and racket faces, the racket handle is of an octagonal structure, each face of the racket handle in the clockwise direction is respectively provided with an indication mark number, a balance weight chamber is arranged in the racket handle, a balance weight assembly is arranged in the balance weight chamber, and the racket faces are provided with the indication marks. The balance weight assembly comprises a first balance weight core and a second balance weight core, the second balance weight core is arranged in the first balance weight core in an inserted mode, sliding grooves are symmetrically formed in the balance weight chamber, the first balance weight core is provided with a plurality of sets of first clamping plates which are symmetrically arranged, the first clamping plates are provided with rubber clamping beads, and second clamping plates are arranged in the sliding grooves. A clamping groove matched with the rubber clamping bead is formed in one face of the second clamping plate, and the edge of the clamping groove is designed into a round corner. The device can assist a user in correctly holding the racket, and the self weight of the racket can be flexibly adjusted, so that the grip strength training of the user is achieved.

A ball storage system, apparatus, and method includes a ball basket, with the system also including a ball collection robot. The robot has a scoop that can collect, transport, deposit, collect, and transport balls and the ball basket. The ball basket stores balls and has slots that interface with the scoop of the robot. The ball basket may additionally have extendable legs. The system, when configured, can collect and store balls, deposit them, lift the basket into a carrying position, and transport the basket to a desired location using the robot.

The utility model relates to the technical field of tennis training device, concretely relates to a telescopic tennis training device, adopts telescopic link, counterweight foot stand, suspension rod, detachable setting in the suspension rope of telescopic link close to counterweight foot stand one end and the training ball connected in suspension rope, the lateral wall fixed connection of suspension rod has at least one hanging ring, one of hanging ring sets up in the end of suspension rod far from telescopic link, the end of suspension rope penetrates hanging ring and is connected with training ball in proper order, by this, on one hand, can adjust the height of suspension rod through telescopic link telescopic, and then adjusts the height of training ball that suspension rope hangs, on the other hand, can make training ball close to / far from hanging ring through the pulling / release of a certain length of suspension rope again binding after setting in telescopic link close to counterweight foot stand one end of suspension rope, to adjust the height of training ball, that is to say, the suspension height of training ball can be adjusted by telescopic link and suspension rope, more convenient and fast, and it is favorable to satisfy the training of multiple hitting point positions.

A kind of ball sweeping matching device, it includes driver and ball sweeping unit, ball sweeping unit includes transmission assembly, guide assembly and ball sweeping rod.The driver, transmission assembly and guide assembly are all used to be installed in the court, the driver is connected with the ball sweeping rod by the transmission assembly, and the ball sweeping rod is slidably connected with the guide assembly;The driver is used to drive the ball sweeping rod to move in the width direction of the court by the transmission assembly, to push tennis on the court by the ball sweeping rod.It can improve the efficiency of tennis collection, reduce tennis collection time length.

The application relates to the technical field of motion capture, in particular to a tennis motion capture system, which comprises a motion sensor module, a multi-view synchronous camera module, a data fusion processing module and a real-time feedback module; the motion sensor module collects motion parameters of target joints of a tennis player; the multi-view synchronous camera module acquires spatial displacement data of target skeletal joint nodes when the player hits a ball; the data fusion processing module fuses the motion parameters and the spatial displacement data to generate a three-dimensional skeletal animation model; the real-time feedback module extracts a shoulder-hip torsion angle difference parameter from the three-dimensional skeletal animation model, outputs a directional vibration prompt signal through a tactile feedback device after the hitting action is completed, and outputs an overlapping comparison graph and a gradient heat map of a swing trajectory deviation by using a display terminal. The application can solve the problems of difficult precise capture of action details and provision of quantitative data feedback, overcome defects such as incomplete data collection, insufficient precision or poor adaptability of existing motion capture equipment, and provide strong support for precise optimization of a hitting action of a player.

A computing system receives historical match data associated with a plurality of tennis players. The computing system generates player rankings. The player rankings include a player ranking for each tennis player of the plurality of tennis players based on the historical match data. The computing system receives information associated with a tennis tournament. The information includes a subset of tennis players in the tournament and a seeding of each tennis player in the subset of tennis players. The computing system generates initial predictions based on the information associated with the tournament and the player rankings. The computing system identifies a trigger event that causes an update to the initial predictions. Responsive to identifying the trigger event, the computing system generates an updated predictions based on in-match data. The in-match data includes a change to a score in a match of the tournament. The computing system outputs the updated predictions.

The application discloses a tennis serving skill training method and a tennis training system, relates to the technical field of tennis, and comprises the following steps: S1, acquiring court data; S2, acquiring serving data of a sports person, comprising the following steps: S21, acquiring three-dimensional coordinate values of a hitting point during serving; S22, acquiring a rotation angle of a racket during a hitting process during serving; S23, acquiring a rotation angular velocity of the racket during serving; S24, acquiring an instantaneous swing speed of the racket during hitting; S3, acquiring a landing point position and a ball speed of each serving in the step S2; S4, repeatedly performing the steps S2 and S3 to acquire multiple groups of serving data; S5, calculating and acquiring a regression equation of landing point deviation, a regression equation of landing point depth and a regression equation of the ball speed; S6, making serving action optimization suggestions by presetting the landing point position and the ball speed and utilizing the regression equations to calculate and compare. The application has the effect that serving skills can be improved through optimization measures of the landing point depth, the landing point deviation and the ball speed during serving.

The invention relates to a page-based tennis robot interaction method and a tennis robot. The method comprises the steps that a tennis robot setting page is displayed, and a virtual tennis ball and a datum line are displayed in the tennis robot setting page; in response to height setting operation triggered through the tennis robot setting page, the distance between the virtual tennis ball and the datum line is controlled, and the distance between the virtual tennis ball and the datum line has an incidence relation with the serving height of the tennis ball; in response to starting operation triggered through the tennis robot setting page, a starting instruction is sent to a tennis robot in the tennis court, so that the tennis robot launches a tennis ball according to the serving height associated with the distance between the virtual tennis ball and the datum line when the starting operation is triggered. By adopting the method, the efficiency of controlling the tennis robot can be improved.

The multifunctional resistance training device is intended to provide users with an adjustable upper body exercise device. The device includes a harness, a plurality of resistance bands, a plurality of tension straps, and a plurality of hand grips that are all interconnected with adjustable fasteners. More specifically, the device is adjustable, wherein the resistance levels of the bands, tension level on the grip, fit of the harness around the user's body, etc. may be adjusted to provide the user a perfect fit while engaging in resistance training. Further, the device may be used for providing additional support and resistance training for other activities such as push-ups, baseball, swimming, tennis, etc. Additionally, the device may be used for rehabilitation training and upper body strengthening. Thus, the multifunctional resistance training device may be used for improving power and speed in sports activities, as well as for rehabilitation training.

1. Name of the product in this design: AI Companion Robot. 2. Purpose of this design: This design is used for tennis training. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

1. Name of the designed product: Medallion (rotating tennis - brass plated with silver). 2. Use of the designed product: for collection and commemoration. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: perspective view 1.

This application relates to a tennis intelligent match training method and system based on a bounce-back medium. The method includes: projecting a virtual image onto a bounce-back medium with elastic recovery characteristics, the virtual image simulating a virtual tennis half-court located on the other side of the bounce-back medium; capturing the trajectory of a real ball flying towards the bounce-back medium; acquiring impact parameters in response to detecting a real ball impacting the bounce-back medium; mapping the impact parameters to the initial motion state of the virtual ball in the virtual tennis half-court; generating a simulated flight trajectory and / or landing point information of the virtual ball in the virtual tennis half-court based on the initial motion state and a preset physical model; and displaying the virtual flight trajectory and / or landing point information in the virtual image. This application can provide visual feedback on the ball's landing point and training data while maintaining the continuous rebound characteristics of the bounce-back medium, allowing trainees to intuitively understand the hitting effect and optimize training guidance.

1. Name of the product under this design: tennis racket. 2. Purpose of this design product: used as a tennis racket. 3. The key point of the design of this product lies in its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.