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Article type: Research Article
Authors: Wu, Cuiling | Duan, Xiaodong | Ning, Tao; *
Affiliations: Institute of Computer Science, Dalian Minzu University, State Ethnic Affairs Commission, Key Laboratory of Big Data, Applied Technology, Dalian, Minzu University Dalian, China
Correspondence: [*] Corresponding author. Tao Ning, Institute of Computer Science, Dalian Minzu University, State Ethnic Affairs Commission, Key Laboratory of Big Data, Applied Technology, Dalian, Minzu University Dalian, China. E-mail: [email protected].
Abstract: Machine vision-based semi-automatic sorting in parcel sorting relies on specific sensors to read form information and synchronize it to the control system to complete a sort. The cost of traditional Faster RCNN parameter calculation is high, and the requirements for hardware equipment are high. In order to reduce the consumption of hardware resources and improve efficiency, we redesigned the traditional Faster RCNN to reduce the hardware cost requirements. The number of categories in package data sets varies greatly, and category imbalance is also one of the problems. To solve the express parcel category imbalance problem, an adaptive Mosaic method is proposed to improve the recognition accuracy of fine-grained similar parcels. To be deployed on edge devices with limited computational resources, a new lightweight network, Reparameterization Large Depthwise conv Normalization-based Attention (ReLDWNAM), is proposed. The experimental results show that compared with MobileNetV2, the number of parameters is reduced by 3.07M, and the computing resources are reduced by more than twice, 10 times faster time for feature extraction network, and more than double the overall detection speed of Faster RCNN with little difference in accuracy.
Keywords: Parcel detection, form recognition, Mosaic method, faster RCNN
DOI: 10.3233/JIFS-230255
Journal: Journal of Intelligent & Fuzzy Systems, vol. 45, no. 3, pp. 4223-4238, 2023
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