Stage 01 / 03YOLOv11m · best_potential.pt
Person Detection
Fine-tuned on boxing footage, the detector tracks exactly two fighters using Hungarian-algorithm assignment with a 50,000-point inertia bonus that prevents identity switching mid-match.
Bounding-box cropIoU assignment2-fighter lockInertia bonus
Stage 02 / 03YOLOv8m-pose · COCO keypoints
Pose Estimation
17 anatomical landmarks per fighter, per frame. Skeleton integrity validation requires ≥10 visible keypoints before the sequence is passed to the classifier.
17 keypointsElbow angleWrist velocityShoulder width
Stage 03 / 03AttentionBiLSTM · 30-frame windows
Punch Classification
A bidirectional LSTM with temporal self-attention processes 30-frame keypoint sequences (51 dimensions per frame) to classify 6 punch types with real-time confidence scoring.
51-dim input6-class outputTemporal attentionIntensity estimate