# VVana Labs

- **Event:** [Meta Global AI Developer Hackathon](https://cerebralvalley.ai/e/meta-ai-developer-hackathon)
- **When:** Oct 26, 12:00 PM – Nov 4, 9:00 PM (EST)
- **Where:** Online
- **Team:** [Nakul Ganesh S](https://cerebralvalley.ai/u/Naku)
- **GitHub:** https://github.com/VVanaLabs/pocket-umpire
- **Demo video:** https://github.com/VVanaLabs/pocket-umpire/releases/download/v0.1-demo/pocket-umpire-demo-v3.mp4
- **Gallery:** https://cerebralvalley.ai/e/meta-ai-developer-hackathon/hackathon/gallery
- **Page:** https://cerebralvalley.ai/e/meta-ai-developer-hackathon/hackathon/gallery/2256

Most cricket on Earth is played without officials: club, tape-ball and street matches where scoring is memory and disputes
 settle arguments, not matches. Pocket Umpire turns one phone video into a ball-by-ball scorebook, verdict cards, and
 shareable highlights. An on-device edge layer (audio onset + motion-blob tracking, $0) segments each ball and selects
 contact/end stills — only ~60KB ever leaves the device. SAM 3.1 checks the stumps, Muse Spark judges the outcome from two
 stills + audio-crack SNR, MCC Laws geometry decides where a calibrated angle exists, and a human can correct any ball;
 corrections ingest as ground-truth labels. Verified: 6/6 on a real night tape-ball over vs hand labels (14/0), reproduced by
 three pipeline runs at ≈$0.0029/ball in ≈6s. A daylight second match scores 8/10 agreement against frame-by-frame labels
 (both misses published — undercalled quick singles), and a third venue in Dubai returns 6/6 verdicts. Meta models only via
 api.meta.ai; total hackathon spend ≈ $0.62.

## More from Meta Global AI Developer Hackathon

- [NyxSec](https://cerebralvalley.ai/e/meta-ai-developer-hackathon/hackathon/gallery/2253)
- [LightDay](https://cerebralvalley.ai/e/meta-ai-developer-hackathon/hackathon/gallery/2254)
- [Horizon](https://cerebralvalley.ai/e/meta-ai-developer-hackathon/hackathon/gallery/2255)
- [ChromaJunction](https://cerebralvalley.ai/e/meta-ai-developer-hackathon/hackathon/gallery/2257)
- [Aegis Omni](https://cerebralvalley.ai/e/meta-ai-developer-hackathon/hackathon/gallery/2258)
- [DJ AI Business Consultant](https://cerebralvalley.ai/e/meta-ai-developer-hackathon/hackathon/gallery/2259)

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