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      <title>Attention-guided contrastive masked image modeling for transformer-based self-supervised learning</title>
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      <description>&lt;p&gt;本文提出注意力引导的对比掩码图像建模方法（ACoMIM），融合对比学习与掩码图像建模两种自监督范式，并利用视觉Transformer的注意力机制提升表征能力。该方法包含两个预训练任务：一是根据注意力引导预测掩码区域的特征，二是比较掩码图像与未掩码图像的全局特征。两个任务相互补充，有效缓解了图像信息稀疏与分布不均的问题，在多种下游任务上验证了方法的有效性。&lt;/p&gt;
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