A golf simulation system includes a processor configured to receive image data from a launch area sensing unit to determine position, velocity, acceleration and spin of a golf ball and to calculate a trajectory of the golf ball into a golf scene presented on a display surface. The system includes a processor that generates a profile of a golf ball travel path over a plurality of images, determines the golf ball travel path length per image of the plurality of images, identifies regions corresponding to one or more markings on the golf ball, determines the distance between the regions in each image, calculates the spin rate and tilt of the golf ball using the determined distance, and uses the golf ball travel path length and camera device frame rate to estimate a spin tilt axis of the golf ball using the orientation of the regions in each image and the relative angle between the longitudinal axis of the regions and the longitudinal axis of the golf ball travel path.

The present application discloses a top-mounted golf ball detection method, applied to a golf system with a top camera configured for detecting a golf ball provided with a mark thereon. The method comprises: calibrating a camera: converting an image coordinate system of the camera into a world coordinate system; positioning a golf ball: acquiring coordinate data of the golf ball by performing a global positioning on an entire first frame picture captured by the camera after the ball is served; and for a subsequent frame picture captured by the camera after the ball is served, predicting a falling point range of the golf ball and obtaining a local picture of the frame picture according to the falling point range, and acquiring coordinate data of the golf ball by performing a global positioning on the local picture; calculating parameters; and detecting a rotating speed of the golf ball.

A system and method for analyzing and improving the performance of a body motion of an animal or human subject requires instrumenting a subject with inertial sensors, monitoring a body motion of interest, converting sensor data into motion data and animation, comparing the motion data with existing data for motion related performance parameters, providing a real-time, information rich, animation and data display of the results in color coded displays; and based on the results prescribing a training regime with exercises selected from a library of standardized exercises using standardized tools and training aids.

Golf stroke training apparatus, as well as methods and systems to train a golfer to improve golf strokes, including putting strokes, wherein the golf stroke training apparatus provides a planar surface that can be levelled statically to the surface below it and can be adjusted by adding slope and/or pitch in quantifiable measurements and with a high degree of accuracy, wherein the repeatable golf stroke environments so provided permit repeatable and quantifiable golfer stroke actions and analysis and leading to golf stroke consistency.

A swing analysis device analyzing a swing using a golf club, includes a data acquisition portion acquiring position information, and motion information output from an inertial sensor, a processor generating first analysis information obtained by analyzing a swing on the basis of motion information corresponding to a plurality of the swings at first position information and second analysis information obtained by analyzing a swing on the basis of motion information corresponding to a plurality of the swings at second position information, and a display outputting a first region image based on the first analysis information and a second region image based on the second analysis information.

A system for illustrating the flight of a sports ball includes a radar, an imager, and a controller. The imager is configured to image a moving sports ball. The controller is configured to (i) receive, from the imager, an image including the moving sports ball, (ii) receive, from the radar, radar data associated with the moving sports ball, (iii) determine, from the radar data, a portion of a trajectory of the moving sports ball, (iv) alter the image to illustrate the portion of the trajectory relative to the moving sports ball, and (v) output the altered image.

A sports simulator calculates spin of a sports object using image analysis. A velocity vector is also calculated. These are combined to produce a predicted future trajectory of the sports object. In one embodiment, the sports object is a golf ball and the sports simulator simulates golf.

The invention relates to a golf ball (1), which has at least one transmitting and receiving antenna (10) and a position determination unit (11), which has a communicative connection to the transmitting and receiving antenna (10) and is designed to receive GPS data, which specify the position of the golf ball (1). Furthermore, the golf ball has a communication unit (12), which has a communicative connection to the transmitting and receiving antenna (10) and is designed to transmit radio data, in particular the position of the golf ball (1). In addition, the golf ball has at least one charging coil (14), which is connected to an energy store (13) and is designed to charge the energy store (13) by means of inductive energy transmission. Moreover, the invention relates to a method for locating an object, in particular a ball-like object, for example, a golf ball, and a transmitting and receiving antenna for use in such a ball-like object.

A system for coordinating radar data and image data to track a flight of a projectile includes a radar, an imager, and a controller. The imager provides an image of an area into which a projectile is to be launched. The controller receives the image and an identification of a target within the image and identifies a target line connecting the target and a launch position of the projectile. The controller also receives data from the radar relative to at least a portion of a trajectory of the projectile, generates image based trajectory data by correlating the radar data and the image, and alters the image to include the image based trajectory data within the image and the target line within the image.

A sensing sports ball is disclosed that includes an inner core of a RF transparent polymeric potting material encapsulating a circuit board assembly electrically coupled to a power source and a transmitter and including at least one sensor electrically coupled thereto that is operably configured to ascertain at least one dynamic physical property of the sports ball, wherein the inner core defines top indentations and bottom indentations opposing the top indentations that span inwardly toward the circuit board assembly, thereby removing material to substantially equate to the weight of an inner core of a conventional sports ball. The ball also includes an outer shell layup and outer surface of a spherical shape and material of a conventional sports ball.