Set Up Your Phone and Understand Every Match You Play
No racket sensors or wearables required. Mount your phone behind the court baseline for automated smash exit speed, unforced error diagnostics, and 2D court dominance heatmaps.

Built for Badminton Enthusiasts & Competitors
Lightweight computer vision algorithms analyze smash velocity, unforced errors, and spatial court coverage from a single smartphone camera.
Smash Velocity & Attack Angle
Calculates the first-millisecond exit speed off the racket face, attack angle, and depth penetration to maximize your offense.
Unforced Error Diagnostics
Categorizes net misses, baseline longs, sideline outs, and weak lifts to identify your most frequent point loss patterns.
Court Dominance Heatmaps
Visualizes your spatial movement footprints, net interception depth, and defensive court coverage gaps.
Automated Highlight Reels
Automatically trims pauses and ball pickups, delivering high-intensity rally highlights ready for instant sharing.
3D Virtual Court Replay
Reconstructs key rallies in 3D space with bird's-eye views, baseline perspectives, and slow-motion frame controls.
Eagle Eye Line Calling (Beta)
Combines perspective geometry and contact point physics for automated in/out calls (currently in active beta optimization).
Unforced Error Categorization & Point Leak Analysis
Winning more matches starts with cutting down unnecessary mistakes. Yulant categorizes every error into net tape misses, longs, and wide shots so you can focus your training on high-leverage weaknesses.
- โCategorizes net tape hits, baseline longs, and sideline outs
- โCalculates the exact ratio of active errors vs forced losses
- โProvides actionable focus areas for subsequent practice sessions

Smash Exit Velocity Radar & Downward Angle
Measure how fast your smashes really are. Track initial exit speed off the string bed, deceleration curves, and attack angles to optimize shot penetration.
- โMeasures first-millisecond string bed exit speed
- โCalculates trajectory steepness and downward attack angles
- โTracks personal peak smash records over time

One Standard Phone. No Expensive Hardware.
No racket sensors, wearables, or complex multi-camera setups required.
1. Position Behind Baseline
Mount your phone tripod behind the baseline at height >0.5m (recommended 1~2m). Distance is flexibleโjust aim down toward the net with a clear court view.
2. Auto-Calibrate Court
The system detects court boundary lines and 3D perspective geometry in under 1 second.
3. Play & Review Analytics
Step on court and play. Access full smash speeds, error diagnostics, and clean highlight reels instantly after your match.

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Ready to Level Up Your Badminton Game?
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