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Author

David A. Clausi

3 papers indexed here

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Book Open access Nov 2026

A Lightweight Tracking-Based Motion Stream for Hockey Skating Action Recognition

Fine-grained action recognition of individual players is a fundamental problem for automatic game understanding, yet existing approaches in team sports primarily rely on local visual appearance or human pose, largely ignoring how players move within the playing environment. We introduce a lightweight tracking-based mot...

Maria Koshkina, Yu-Hao Chen, John S. Zelek et al. · 0 citations
#machine learning Preprint Sep 2026

SPARC: SuperPixel-Aware Region Contrastive Learning for Self-Supervised Dense Prediction

SPARC is proposed, a region-level contrastive learning framework that leverages superpixels to establish explicit correspondence between augmented image views, and introduces a region contrastive branch that performs superpixel-based feature pooling and optimizes a region-level contrastive objective jointly with a glob...

David Szczecina, Yuan-Pei Xiang, Ji-Tao Hu et al. · 0 citations

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