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Multi-resolution attention convolutional neural network for crowd counting
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DOI：10.1016/j.neucom.2018.10.058.png)
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Abstract
En 中文
Estimating crowd counts remains a challenging task due to the problems of scale variations, non-uniform distribution and complex backgrounds. In this paper, we propose a multi-resolution attention convolutional neural network (MRA-CNN) to address this challenging task. Except for the counting task, we exploit an additional density-level classification task during training and combine features learned for the two tasks, thus forming multi-scale, multi-contextual features to cope with the scale variation and non-uniform distribution. Besides, we utilize a multi-resolution attention (MRA) model to generate score maps, where head locations are with higher scores to guide the network to focus on head regions and suppress non-head regions regardless of the complex backgrounds. During the generation of score maps, atrous convolution layers are used to expand the receptive field with fewer parameters, thus getting higher-level features and providing the MRA model more comprehensive information. Experiments on ShanghaiTech, WorldExpo'10 and UCF datasets demonstrate the effectiveness of our method. (C) 2018 Elsevier B.V. All rights reserved.
Keywords:
Crowd counting
Multi-resolution attention (MRA) model
Convolution neural network (CNN)
Atrous convolution
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