New lineup blends active play, personalized learning, and early skill building ...

For many teachers today, classroom observation no longer feels like professional support. It has become a moment of ...

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 ...