Abstract: Owing to the cost of collecting labeled sensor data, self-supervised learning (SSL) methods for human activity recognition (HAR) that effectively use unlabeled data for pretraining have ...
Abstract: In skeleton-based human activity understanding, existing methods often adopt the contrastive learning paradigm to construct a discriminative feature space. However, many of these approaches ...
U.S. Border Patrol agents detain a person on the ground near Roosevelt High School during dismissal time on Jan. 7 in Minneapolis.
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