Journal
SYMMETRY-BASEL
Volume 13, Issue 4, Pages -Publisher
MDPI
DOI: 10.3390/sym13040703
Keywords
metro platform; crowd counting; multiscale feature extraction; convolutional neural network
Categories
Funding
- National Natural Science Foundation of China (NSFC) General Program [61673353]
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This paper addresses the issue of passenger flow detection on metro platforms and proposes a CNN-based network to accurately count people. Through experiments on a self-built dataset and standard datasets, the proposed method shows good performance and minimal estimation error.
Owing to the increased use of urban rail transit, the flow of passengers on metro platforms tends to increase sharply during peak periods. Monitoring passenger flow in such areas is important for security-related reasons. In this paper, in order to solve the problem of metro platform passenger flow detection, we propose a CNN (convolutional neural network)-based network called the MP (metro platform)-CNN to accurately count people on metro platforms. The proposed method is composed of three major components: a group of convolutional neural networks is used on the front end to extract image features, a multiscale feature extraction module is used to enhance multiscale features, and transposed convolution is used for upsampling to generate a high-quality density map. Currently, existing crowd-counting datasets do not adequately cover all of the challenging situations considered in this study. Therefore, we collected images from surveillance videos of a metro platform to form a dataset containing 627 images, with 9243 annotated heads. The results of the extensive experiments showed that our method performed well on the self-built dataset and the estimation error was minimum. Moreover, the proposed method could compete with other methods on four standard crowd-counting datasets.
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