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RDC-SAL: Refine distance compensating with quantum scale-aware learning for crowd counting and localization.

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Bibliographic Details
Title: RDC-SAL: Refine distance compensating with quantum scale-aware learning for crowd counting and localization.
Authors: Hu, Ruihan1,2,3 (AUTHOR), Tang, Zhi-Ri4 (AUTHOR) GerinTang@163.com, Wu, Edmond Q.5 (AUTHOR), Mo, Qinglong2 (AUTHOR), Yang, Rui2 (AUTHOR), Li, Jingbin3 (AUTHOR)
Source: Applied Intelligence. Sep2022, Vol. 52 Issue 12, p14336-14348. 13p.
Subjects: Object recognition (Computer vision), Convolutional neural networks, Feature extraction, Video surveillance, Crowds, Computer vision
Abstract: As one of the most meaningful research topics in computer vision, crowd counting and localization problems have been applied in many applications such as Video surveillance and Dense object detection. The most recent works solved the crowd counting and localization problems as a regression task via convolutional neural networks (CNNs). However, it is relatively hard for a basic CNN framework to extract adequate features of the crowd scenes. In this work, a refine distance compensating with quantum scale-aware learning framework (RDC-SAL) is proposed to solve crowd counting and localization task based on the Front-end quantum feature extraction, Multi-scale and Refine distance compensating modules. First, the Front-end quantum feature extraction module is adopted with qubit rotation and Pauli operators to calculate the crowd feature using classical CNN architecture. Then the Multi-scale feature extraction module is used to handle the quantum feature with different feature extraction branches by branching procedure. Finally, the Refine distance compensating module is proposed to estimate the density map, which uses the Refine distance compensating factor to fuse several feature extraction branches with different Upsample layers. To the best of our knowledge, it's the first time to introduce the hybrid classical-quantum network to model the crowd counting and localization problem. Experimental results on some benchmark datasets show that the proposed RDC-SAL can restore the predicted density maps with the high spatial resolution for crowd scenes and achieve improved performance to deal with the localization task compared with state-of-the-art works. [ABSTRACT FROM AUTHOR]
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Database: Engineering Source
Description
Abstract:As one of the most meaningful research topics in computer vision, crowd counting and localization problems have been applied in many applications such as Video surveillance and Dense object detection. The most recent works solved the crowd counting and localization problems as a regression task via convolutional neural networks (CNNs). However, it is relatively hard for a basic CNN framework to extract adequate features of the crowd scenes. In this work, a refine distance compensating with quantum scale-aware learning framework (RDC-SAL) is proposed to solve crowd counting and localization task based on the Front-end quantum feature extraction, Multi-scale and Refine distance compensating modules. First, the Front-end quantum feature extraction module is adopted with qubit rotation and Pauli operators to calculate the crowd feature using classical CNN architecture. Then the Multi-scale feature extraction module is used to handle the quantum feature with different feature extraction branches by branching procedure. Finally, the Refine distance compensating module is proposed to estimate the density map, which uses the Refine distance compensating factor to fuse several feature extraction branches with different Upsample layers. To the best of our knowledge, it's the first time to introduce the hybrid classical-quantum network to model the crowd counting and localization problem. Experimental results on some benchmark datasets show that the proposed RDC-SAL can restore the predicted density maps with the high spatial resolution for crowd scenes and achieve improved performance to deal with the localization task compared with state-of-the-art works. [ABSTRACT FROM AUTHOR]
ISSN:0924669X
DOI:10.1007/s10489-022-03238-4