Hybrid attention network based on progressive embedding scale-context for crowd counting

• URL: http://arxiv.org/abs/2106.02324v1
• Date: Fri, 4 Jun 2021 08:10:21 GMT
• Title: Hybrid attention network based on progressive embedding scale-context for crowd counting
• Authors: Fusen Wang and Jun Sang and Zhongyuan Wu and Qi Liu and Nong Sang
• Abstract summary: We propose a Hybrid Attention Network (HAN) by employing Progressive Embedding Scale-context (PES) information. We build the hybrid attention mechanism through paralleling spatial attention and channel attention module. PES information enables the network to simultaneously suppress noise and adapt head scale variation.
• Score: 25.866856497266884
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: The existing crowd counting methods usually adopted attention mechanism to tackle background noise, or applied multi-level features or multi-scales context fusion to tackle scale variation. However, these approaches deal with these two problems separately. In this paper, we propose a Hybrid Attention Network (HAN) by employing Progressive Embedding Scale-context (PES) information, which enables the network to simultaneously suppress noise and adapt head scale variation. We build the hybrid attention mechanism through paralleling spatial attention and channel attention module, which makes the network to focus more on the human head area and reduce the interference of background objects. Besides, we embed certain scale-context to the hybrid attention along the spatial and channel dimensions for alleviating these counting errors caused by the variation of perspective and head scale. Finally, we propose a progressive learning strategy through cascading multiple hybrid attention modules with embedding different scale-context, which can gradually integrate different scale-context information into the current feature map from global to local. Ablation experiments provides that the network architecture can gradually learn multi-scale features and suppress background noise. Extensive experiments demonstrate that HANet obtain state-of-the-art counting performance on four mainstream datasets.

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