{"id":926799,"date":"2023-03-13T07:55:05","date_gmt":"2023-03-13T14:55:05","guid":{"rendered":"https:\/\/www.microsoft.com\/en-us\/research\/"},"modified":"2023-03-13T08:09:14","modified_gmt":"2023-03-13T15:09:14","slug":"improving-vision-transformers-with-nested-multi-head-attentions","status":"publish","type":"msr-research-item","link":"https:\/\/www.microsoft.com\/en-us\/research\/publication\/improving-vision-transformers-with-nested-multi-head-attentions\/","title":{"rendered":"Improving Vision Transformers with Nested Multi-head Attentions"},"content":{"rendered":"<p>Vision transformers have significantly advanced the field of computer vision in recent years. The cornerstone of vision transformers is the multi-head attention mechanism, which models the interactions between the visual elements within a feature map. However, the vanilla multi-head attention paradigm learns the parameters of different heads independently and separately. The crucial interactions across different attention heads are ignored, leading to the redundancy and under-utilization of the model&#8217;s capacity. In order to facilitate the model expressiveness, we propose a novel nested attention mechanism Ne-Att to explicitly model cross-head interactions via a hierarchical variational distribution. Extensive experiments are conducted on image classification, and the experimental results demonstrate the superiority of Ne-Att. Our code is available at \\url{https:\/\/anonymous.4open.science\/r\/Anonymization-EEBD\/}.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vision transformers have significantly advanced the field of computer vision in recent years. The cornerstone of vision transformers is the multi-head attention mechanism, which models the interactions between the visual elements within a feature map. However, the vanilla multi-head attention paradigm learns the parameters of different heads independently and separately. The crucial interactions across different 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