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VideFlow: Sports Video Analysis for Androidsoftware app golf swing slow motion player ai artificial intelligence visualization editor tennis motion opencv mediapipe computer vision free library sample code github java python open source

Slow motion player, AI full body map, trackers & tracers.


The YouTube demo shows AI visualization of basketball, tracing the movement of the player's head, finding the maximum jump height and tracing the basketball's trajectory.

frame by frameSlow Motion Player

VideFlow is a slow motion player for studying sporting motions. Film yourself and play it frame-by-frame to see the detailed movement. The software is based on a video player with slow down, pause, and fast frame advance. Analysis is useful for many sports activities, such as tennis /badminton swings and golf swings, martial arts /karate /taekwondo, jumps in basketball, dance, skateboarding, snowboarding, gymnastics, boxing, football /soccer, fitness /gym and others.

boxing karate movementsAI Visualisations

Add AI visualizations to the video with AI computer vision data to see it more clearly. Body mapping tracks your body through the movement. Turn on body frame lines and draw traces of body points. You can also find limits of body points in four directions, show body frame angles and find their maximum/minimum limits.

There are two custom trackers that can follow any object in the video, such as sports equipment. Draw traces of a racquet or ball, or show the height of a skateboard wheel from the ground. Traces and direction limit visualizations are available for the trackers, and are the key analysis tools provided by the software.

perfect dataExport your Motions

Motions can be exported to MP4 video for reference and sharing with friends. These are watermarked in the free software but you may remove the watermark with an in-app purchase for a small one-off charge. You may save your projects at different stages in the software and revert back to the data later on. The exported videos are useful for sports coaches /instructors to send to their students giving feedback on their technique.

VideFlow app runs entirely on your device . There is no need for an internet connection and you can use it anywhere.

football soccerFree with no Adverts

The main app is available as a free download from the Play Store. You may try it out and see if its useful by downloading the slow motion video player without any charge. This is time unlimited with no adverts and includes any future updates. There is one in-app purchase available to remove the watermark from exported films. The free software runs entirely on your device and we do not collect any personal data.

Screenshots from an Android Tablet:

pose body mapping

basketball jump

export movies

Screenshots from a phone:

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opencv java pythonTechnical Notes
  • VideFlow is designed for short segments of film, typically from five to thirty seconds.

  • Processing of moving images uses large amounts of memory, so it's necessary to keep the movements short.

  • It checks available system resources on startup and if necessary limits the maximum recording time, or reduces the program's internal working resolution.

  • The body mapping artificial intelligence pipeline works best on a fast, modern android device. We recommend a CPU speed above 1.4GHz.

  • The tracker works on slower devices, but may not keep up with fast moving objects. For rapid movement you should film at a high frame rate such as 60 frames-per-second or higher. This gives the tracker more frames to work with.

We hope you enjoy using VideFlow. For feedback or technical support you may contact us here.

Available at App Stores:
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Motion Pro is a trading name of Mr P W Young
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sun byte VideFlow Sports Video Analysis App

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