Recently, infra-red thermal images have drawn wide publicity for vehicle detection in traffic monitoring because of their resistances to insufficient light and hidden occasions. However, there are two significant challenges compared with vehicle detection in visible images. One is the insufficiency of the labelled infra-red thermal samples, and the other is less texture information. These two points lead to fewer parameters for the vehicle detection network in the infra-red thermal images. Therefore, to conquer these difficulties in infra-red thermal images, we construct a sparse neural network based vehicle detection method with sparse parameters (weights) and high generalization ability. Therein, to avoid over-fitting in the training stage, we eliminate some redundant parameters via constraints and on-line pruning. Finally, to verify the proposed vehicle detection method in infra-red thermal images, we introduce VIVID, VOT2019, and RGBT234 data sets. The vehicle detection results show that the proposed method presents superior results compared to several mainstream approaches.


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    Title :

    Vehicle detection in the infra-red thermal images based on a sparse neural network


    Contributors:
    Xiao, Liang (editor) / Xue, Jianru (editor) / Zhang, Xunxun (author) / Peng, Lang (author) / Lu, Xiaoyu (author)

    Conference:

    Fourteenth International Conference on Graphics and Image Processing (ICGIP 2022) ; 2022 ; Nanjing, China


    Published in:

    Proc. SPIE ; 12705 ; 1270502


    Publication date :

    2023-06-27





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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