Zilei Wang | ViLab https://vilab.team/author/zilei-wang/ Zilei Wang Hugo Blox Builder (https://hugoblox.com)en-usWed, 08 Jan 2025 00:00:00 +0000 https://vilab.team/media/icon_hu2896232876136423579.png Zilei Wang https://vilab.team/author/zilei-wang/ Semantic-aware late-stage supervised contrastive learning for fine-grained action recognition https://vilab.team/publication/semantic-aware-late-stage-supervised-contrastive-learning-fo/ Wed, 08 Jan 2025 00:00:00 +0000 https://vilab.team/publication/semantic-aware-late-stage-supervised-contrastive-learning-fo/ <p>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。</p>