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      <title>Semantic-aware late-stage supervised contrastive learning for fine-grained action recognition</title>
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      <description>&lt;p&gt;本文针对细粒度动作识别中类间差异小、类内差异大的挑战，提出了一种语义感知的后期监督对比学习方法。该方法通过后期监督对比学习策略，有效减少了对比学习所需的训练轮次，降低了计算成本；同时引入语义距离建模，在调整特征表示时显式考虑细粒度动作之间的语义关系，从而提升判别能力。实验表明该方法在多个细粒度动作识别基准上取得了优越性能。&lt;/p&gt;
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