An apparatus for configuring a wearable device for exercise tracking includes a data storage unit for storing sensor data generated by a sensor arrangement in the wearable device based on sensed movement of the wearable device and optical movement data including representations of an individual obtained from an image-based monitoring system; and a processing unit configured to: execute a movement tracker model on the sensor data to determine a first exercise activity and an associated first confidence indicator; execute an optical tracker model on the optical movement data to determine a second exercise activity and an associated second confidence indicator; process the movement tracker model based on the first confidence indicator and the second confidence indicator.

Provided is a fitting apparatus configured to acquire measurement data obtained by measuring a swing action of a test club by a golfer with a measurement device, calculate an amount of change in an attitude of a face surface of a head included in the test club in a period before impact at a time of the swing action, based on the measurement data, and select a balance of a golf club suitable for the golfer, according to the amount of change.

Systems and methods are disclosed for generating a 3D avatar using a biomechanical analysis of observed actions with a focus on representing actions through computer-generated 3D avatars. Physical quantities of biomechanical actions can be measured from the observations, and the system can analyze these values, compare them to target or optimal values, and use the observations and known biomechanical capabilities to generate 3D avatars.

A putting alignment system includes a lateral imaging alignment guide having a set of indicia, including an upper indicia, a lower indicia, a right indicia, and a left indicia. The lateral imaging alignment guide has a generally flat body that is configured to removably connect to a golf club shaft. A club lower distal tip reflector is configured for mounting on a distal tip of a golf club. A lateral imaging apparatus includes an imaging system. The imaging system has a main camera. The main camera captures and records motion of the lateral imaging alignment guide. A secondary alignment system includes a forward receiver sensor. The forward receiver sensor detects orientation of the club lower distal tip reflector when the club lower distal tip reflector is facing the forward receiver sensor.

Described herein are platforms, systems, media, and methods for providing golf swing analysis and coaching by receiving a video of an individual performing a golf swing; applying an image processing algorithm to identify a plurality of body nodes of the individual in a plurality of frames of the video and generate a virtual skeleton by connecting the plurality of body nodes in the plurality of frames of the video; identifying a plurality of key frames of the video; applying at least one mathematical swing flaw evaluation to each key frame of the video to identify any swing flaws of the individual; generating a swing score for the individual; and providing access to one or more training modules based at least on any swing flaws of the individual identified and the swing score for the individual.

A ball machine system comprising a ball launching system, a memory configured to store a court model that includes dimensions of a court type in relation to a three-dimensional (3D) coordinate system, an imaging system connected to the ball launching system and configured to capture a plurality of images of a court, and a processor. The processor configured to analyze the plurality of images to detect feature points in each of the plurality of images, superimpose a plurality of different transformations of the court model onto the plurality of images to generate a plurality of model fits, select as a final model fit, from the plurality of model fits, a model fit based on a degree of overlap among features of the transformed court model and the respective image, and calculate the position of the ball launching system on a playing surface of the court based on the selected final model fit and intrinsic parameters of the imaging system.

Proposed are a virtual golf simulation device and a virtual golf simulation method. According to an embodiment, there is provided a virtual golf simulation device including: a first trajectory processing unit configured to simulate a first movement trajectory of a ball on a virtual golf course based on shot data on a golf shot of a user; and a second trajectory processing unit configured to simulate a second movement trajectory based on some of a plurality of factors for the simulation of the first trajectory.

An electromechanical device for rehabilitation includes pedals coupled to radially-adjustable couplings, an electric motor coupled to the pedals via the radially-adjustable couplings, and a control system including a processing device operatively coupled to the electric motor. The processing device configured to, responsive to a first trigger condition occurring, control the electric motor to operate in a passive mode by independently driving the radially-adjustable couplings rotationally coupled to the pedals. The processing device also configured to, responsive to a second trigger condition occurring, control the electric motor to operate in an active-assisted mode by measuring revolutions per minute of the radially-adjustable couplings, and cause the electric motor to drive the radially-adjustable couplings when the measured revolutions per minute satisfy a threshold condition, and responsive to a third trigger condition occurring, control the electric motor to operate in a resistive mode by providing resistance to rotation of the radially-adjustable couplings.

An exercise instruction apparatus for guiding a user to perform a fitness exercise includes a control unit and a display device. The control unit is configured to control a video imagery displayed by the display device. The video imagery shows an instructor image and a user image simultaneously. The instructor image demonstrates movements of the fitness exercise and the user image presented in a mirror image is a real-time image of the user standing in front of the display device. The control unit is configured to adjust at least one image parameters such as brightness, transparency or contrast of at least one of the instructor image and the user image. The image parameter that is adjusted for the instructor image may be a different parameter than the image parameter that is adjusted for the user image. The instructor image may be overlapped on the user image, and the user can adjust the transparency of at least one of the first image and the second image.

Systems and methods for providing a slalom racing gate monitor system are provided herein. A system includes a microcontroller; a first, second, and third sensor, each coupled to the microcontroller, the first, second, and third sensors each having a field of view and disposed on a slalom pole, and disposed where the fields of view of the first, second, and third sensors substantially cover a 360 degree field of view around the slalom pole; wherein the microcontroller is to: obtain a sequence of sensor readings from a plurality of sensors of the first, second, and third sensors, each reading in the sequence of sensor readings indicating an object detected in the field of view of the respective sensor; determine whether the object passed the slalom pole on a correct side; and present a notification of whether the object passed the slalom pole on the correct side.