Attribute-Aware Pedestrian Detection in a Crowd

Pedestrian detection is an initial step to perform outdoor scene analysis, which plays an essential role in many real-world applications. Although having enjoyed the merits of deep learning frameworks from the generic object detectors, pedestrian detection is still a very challenging task due to hea...

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Vydáno v:IEEE transactions on multimedia Ročník 23; s. 3085 - 3097
Hlavní autoři: Zhang, Jialiang, Lin, Lixiang, Zhu, Jianke, Li, Yang, Chen, Yun-chen, Hu, Yao, Hoi, Steven C. H.
Médium: Journal Article
Jazyk:angličtina
Vydáno: Piscataway IEEE 2021
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:
Attribute-aware
Detectors
Feature extraction
non-maximum suppression  (nms)
Object detection
pedestrian detection
Proposals
Scene analysis
Semantics
Task analysis
Training
ISSN:1520-9210, 1941-0077
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Shrnutí:Pedestrian detection is an initial step to perform outdoor scene analysis, which plays an essential role in many real-world applications. Although having enjoyed the merits of deep learning frameworks from the generic object detectors, pedestrian detection is still a very challenging task due to heavy occlusions, and highly crowded group. Generally, the conventional detectors are unable to differentiate individuals from each other effectively under such a dense environment. To tackle this critical problem, we propose an attribute-aware pedestrian detector to explicitly model people's semantic attributes in a high-level feature detection fashion. Besides the typical semantic features, center position, target's scale, and offset, we introduce a pedestrian-oriented attribute feature to encode the high-level semantic differences among the crowd. Moreover, a novel attribute-feature-based Non-Maximum Suppression (NMS) is proposed to distinguish the person from a highly overlapped group by adaptively rejecting the false-positive results in a very crowd settings. Furthermore, an enhanced ground truth target is designed to alleviate the difficulties caused by the attribute configuration, and to ease the class imbalance issue during training. Finally, we evaluate our proposed attribute-aware pedestrian detector on three benchmark datasets including CityPerson, CrowdHuman, and EuroCityPerson, and achieves the state-of-the-art results.
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ISSN:1520-9210
1941-0077
DOI:10.1109/TMM.2020.3020691