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soccer-field-keypoints-yolo

Treino Ultralytics YOLO pose para keypoints do campo de futebol (32 kp), export ONNX, e inferência em vídeo com vaila.soccerfield_keypoints_ai (CSV getpixelvideo + overlay). Use quando o usuário fala em football pitch keypoints, YOLO26 pose, treino Roboflow/HF dataset martinjolif, field_keypoints_getpixelvideo, calibração FIFA, ou soccerfield_keypoints_ai.

中文简介正在准备中。当前显示原文说明。

查看安装方法

包含的文件(1)

  • SKILL.md6.7 KB

SKILL.md(原文)

安装前可以查看交给 AI 代理的指令内容。

Soccer field keypoints — YOLO pose + inferência vailá

Esta skill resume o que foi implementado e como retomar em outra IDE ou LLM sem perder o fio: leia este ficheiro, depois AGENTS.md (secção de handoff) e o módulo vaila/soccerfield_keypoints_ai.py.

Regra manutenção vailá (version/date)

Sempre que editar qualquer *.py no repo (ex.: vaila/soccerfield_keypoints_ai.py), também atualizar:

  • header do script: Update Date (hoje) + Version (global, do vaila.py header/banner)
  • README.md (raiz): linha Last updated: YYYY-MM-DD
  • helps: vaila/help/soccerfield_keypoints_ai.md + .html e vaila/help/index.md + .html (“Generated on”)
  • installers / vaila.py se mudança impactar install/run UX

Checklist referência: AGENTS.md (“Mandatory: Update metadata on any script change”).

Handoff rápido (outro agente)

  1. Abrir este SKILL.md.
  2. Abrir vaila/soccerfield_keypoints_ai.py — CLI/GUI, backends roboflow e ultralytics, vídeo frame-a-frame.
  3. Dataset YOLO local (pequeno, dentro do repo): vaila/models/hf_datasets/football-pitch-detection/data/data.yaml (kpt_shape: [32, 3]).
  4. Dataset externo unificado (multi-fonte / FIFA pitch): árvore …/unified/data.yaml gerada por vaila.fifa_dataset_builder — ver docs/fifa_workflow.md §4.5 e os módulos fifa_check_labels_dedupe, fifa_dataset_train_readiness.
  5. Referência 3D vailá (nomes de pontos): vaila/models/soccerfield_ref3d.csv — mapeamento semântico kp_00..31 → nomes ainda é trabalho futuro se os IDs do dataset não coincidirem com a vailá.

O que existe no código

  • Módulo: vaila/soccerfield_keypoints_ai.py

    • --mode frame|video, --weights, --imgsz, --conf, --draw-min-conf, --device, --stride, --max-frames, --overlay-video.
    • Saídas numa pasta processed_field_kps_<timestamp>/ sob -o:
      • field_keypoints_video.csv (longo: frame, name, x, y, conf)
      • field_keypoints_getpixelvideo.csv (wide: frame, p1_x, p1_y, …)
      • field_keypoints_overlay_markers.csv (mesmo schema do getpixelvideo; mesmo filtro draw_min_conf; comparação no mesmo run)
      • field_keypoints_overlay.mp4 se --overlay-video
    • Resolver de pesos: se --weights aponta para .../<run_name>/weights/best.pt mas o Ultralytics criou .../<run_name>-N/, o código procura candidatos por glob no repo e escolhe o mais recente.
  • GUI: botão em vaila.py que chama este módulo (run_vaila_module("vaila.soccerfield_keypoints_ai", ...)).

Treino (Ultralytics YOLO pose) — receita que funcionou melhor

Problema observado com treino “ingênuo” (yolo26x-pose, imgsz=640, mosaic=1.0): o modelo colapsava os 32 keypoints num cluster ~20–30 px dentro do bbox (métricas OKS enganosas com bbox enorme).

Receita mais estável para campo broadcast:

  • model=yolo26s-pose.pt (ou m; x só com muito mais dados/regularização)
  • imgsz=1280
  • mosaic=0.0, mixup=0.0, close_mosaic=0, erasing=0.0
  • pose=25.0, kobj=2.0
  • epochs alto (ex. 800) com patience ajustável; se aparecer Loss NaN/Inf, o Ultralytics tenta recuperar; estabilizar com lr0 mais baixo ou amp=False se necessário.

Exemplo (ajustar project/name para não duplicar segmentos runs/pose no caminho):

uv run yolo pose train \
  model=yolo26s-pose.pt \
  data=vaila/models/hf_datasets/football-pitch-detection/data/data.yaml \
  epochs=800 imgsz=1280 batch=8 \
  mosaic=0.0 mixup=0.0 close_mosaic=0 erasing=0.0 \
  pose=25.0 kobj=2.0 \
  project=vaila/models/runs/pose/vaila/models/training \
  name=football_pitch_prod

Atenção ao caminho de saída: se project= já contiver runs/pose/..., o Ultralytics pode prefixar outro runs/pose/, gerando caminhos longos duplicados. Verificar sempre o log Results saved to ... e usar esse caminho absoluto nos comandos seguintes.

Treino em dataset externo (unified/ fora do git)

Use data= absoluto para o data.yaml que o merger escreveu (ex. /data/FIFA/dataset_vaila_fifa/unified/data.yaml). Fluxo típico:

  1. uv run python -m vaila.fifa_dataset_builder --out-root /data/FIFA/dataset_vaila_fifa …
  2. Export QA: --export-label-check-to …/check_all_labels
  3. Revisão humana dos overlays; opcional: uv run python -m vaila.fifa_check_labels_dedupe --bundle …/check_all_labels
  4. Alinhar unified/ ao flat deduplicado: uv run python -m vaila.fifa_dataset_train_readiness --unified …/unified --prune-unified-to-flat …/check_all_labels --apply-prune
  5. Verificar: …train_readiness --unified …/unified --compare-flat …/check_all_labels (exit ≠ 0 se contagens divergirem)
  6. uv run yolo pose train data=/ABS/.../unified/data.yaml … project=/ABS/.../runs name=…

Documentação: docs/fifa_workflow.md §4.5.

Export ONNX

Usar o caminho absoluto do best.pt que o treino gravou:

uv run yolo pose export \
  model=/ABS/PARA/.../weights/best.pt \
  format=onnx

Pode aparecer um UserWarning sobre aten::index no export — em geral o ONNX continua utilizável; validar com yolo predict ou com o módulo vailá.

Inferência no vídeo de teste (frame a frame + overlay)

uv run python -m vaila.soccerfield_keypoints_ai \
  --mode video \
  -i tests/sport_fields/ENG_FRA_224512.mp4 \
  -o tests/sport_fields/ \
  --backend ultralytics \
  --weights /ABS/PARA/.../weights/best.pt \
  --imgsz 1280 --conf 0.3 --draw-min-conf 0.05 \
  --device 0 --start 0 --stride 1 --overlay-video

Para teste rápido: --max-frames 200 ou --stride 2.

Dependências relevantes

  • ultralytics, opencv-python, pandas, numpy
  • Opcional Roboflow: inference, supervision + ROBOFLOW_API_KEY (backend remoto).

Próximos passos (fora desta skill)

  • Auto-mapping dos índices YOLO (0..31) para point_name em soccerfield_ref3d.csv (transfer learning geométrico / homografia).
  • Rotular frames FIFA e fine-tune a partir do best.pt atual.

Exemplos de prompts que devem acionar esta skill

  • “Treinar YOLO pose no dataset football-pitch-detection e exportar ONNX”
  • “Rodar inferência de keypoints do campo no MP4 e gerar CSV no formato getpixelvideo”
  • “O export diz FileNotFoundError no best.pt”
  • “Os keypoints estão todos no mesmo pixel / colapsados”

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