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V-JEPA 2 Meets AQA: Phase-Based Scoring and Reference-Based Feedback for Mountain Biking
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AQAvideo analysismachine learningfeedback systems
2610.30160
Builder Relevance
2h ago60%
Abstract
The study explores mountain-bike action quality assessment using weak labels and candidate feedback, focusing on a pipeline that summarizes phases and predicts binary-label scores.
Reality Card
Core Claim
The proposed scoring system achieved a pooled out-of-fold AUROC of 0.768 and average precision of 0.812 in assessing mountain biking technique.
Method / Result
In five-fold clip-level cross-validation, the full scorer obtained pooled out-of-fold AUROC 0.768.
Limitations
The findings do not establish rider-independent scoring or reliable corrective feedback, indicating a need for further empirical work.
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