Exploit the potential of Multi-column architecture for Crowd Counting

• URL: http://arxiv.org/abs/2007.05779v2
• Date: Tue, 28 Jul 2020 09:52:38 GMT
• Title: Exploit the potential of Multi-column architecture for Crowd Counting
• Authors: Junhao Cheng, Zhuojun Chen, XinYu Zhang, Yizhou Li, Xiaoyuan Jing
• Abstract summary: We propose a novel crowd counting framework called Pyramid Scale Network (PSNet) For scale limitation, we adopt three Pyramid Scale Modules (PSM) to efficiently capture multi-scale features. For feature similarity, a novel loss function named Multi-column variance loss is introduced to make the features learned by each column appropriately different from each other.
• Score: 16.186589975116387
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Crowd counting is an important yet challenging task in computer vision due to serious occlusions, complex background and large scale variations, etc. Multi-column architecture is widely adopted to overcome these challenges, yielding state-of-the-art performance in many public benchmarks. However, there still are two issues in such design: scale limitation and feature similarity. Further performance improvements are thus restricted. In this paper, we propose a novel crowd counting framework called Pyramid Scale Network (PSNet) to explicitly address these issues. Specifically, for scale limitation, we adopt three Pyramid Scale Modules (PSM) to efficiently capture multi-scale features, which integrate a message passing mechanism and an attention mechanism into multi-column architecture. Moreover, for feature similarity, a novel loss function named Multi-column variance loss is introduced to make the features learned by each column in PSM appropriately different from each other. To the best of our knowledge, PSNet is the first work to explicitly address scale limitation and feature similarity in multi-column design. Extensive experiments on five benchmark datasets demonstrate the effectiveness of the proposed innovations as well as the superior performance over the state-of-the-art. Our code is publicly available at: https://github.com/oahunc/Pyramid_Scale_Network

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