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title: README
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# Train Matricx

**Human-verified training data for sports computer vision.**

Train Matricx is a managed sports data annotation team. Sports AI teams send match video and a labeling schema; annotators who know the sport produce the labels, and every delivery goes through a 3-layer QA pipeline before it ships.

We are a service team, not a software platform. We work inside your schema and your tools, or deliver in the format your pipeline already ingests.

## What we annotate

- **Player and ball tracking** with persistent player IDs through occlusion, camera cuts and substitutions
- **Event tagging** to your own taxonomy (passes, shots, set pieces, serves, rallies and sport-specific sub-events)
- **Skeletal keypoints and pose** for movement and biomechanics models
- **Court and pitch registration** for mapping broadcast pixels to field coordinates
- **Segmentation and bounding boxes** for detection models

Delivered as COCO, YOLO, JSON, CSV or your internal format. 20+ sports covered, including football (soccer), basketball, cricket, tennis, ice hockey and golf.

## How we check quality

1. **Primary annotator** applies the labels to your class definitions
2. **Specialist reviewer** cross-checks complex events and verifies player identity across occlusions
3. **Senior auditor** confirms the delivery matches your schema exactly

We report quality as **first-pass acceptance**: the share of deliveries your team accepts without rework.

## Work with us

- Free pilot on your own footage before any volume is agreed: [trainmatricx.com/pricing](https://trainmatricx.com/pricing)
- Case studies: [trainmatricx.com/case-studies](https://trainmatricx.com/case-studies)
- Sports event taxonomy: [trainmatricx.com/sports-taxonomy](https://trainmatricx.com/sports-taxonomy)
- Labeling guides: [How to build a sports computer vision dataset](https://trainmatricx.com/blog/how-to-build-sports-computer-vision-training-dataset) · [Player re-ID labeling rules](https://trainmatricx.com/blog/player-reid-labeling-identity-rules-camera-cuts-occlusion)
- Contact: info@trainmatricx.com · [LinkedIn](https://www.linkedin.com/company/train-matricx)