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Single Stage Vehicle Logo Detector Based on Multi-Scale Prediction

Junxing ZHANG, Shuo YANG, Chunjuan BO, Huimin LU

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Summary :

Vehicle logo detection technology is one of the research directions in the application of intelligent transportation systems. It is an important extension of detection technology based on license plates and motorcycle types. A vehicle logo is characterized by uniqueness, conspicuousness, and diversity. Therefore, thorough research is important in theory and application. Although there are some related works for object detection, most of them cannot achieve real-time detection for different scenes. Meanwhile, some real-time detection methods of single-stage have performed poorly in the object detection of small sizes. In order to solve the problem that the training samples are scarce, our work in this paper is improved by constructing the data of a vehicle logo (VLD-45-S), multi-stage pre-training, multi-scale prediction, feature fusion between deeper with shallow layer, dimension clustering of the bounding box, and multi-scale detection training. On the basis of keeping speed, this article improves the detection precision of the vehicle logo. The generalization of the detection model and anti-interference capability in real scenes are optimized by data enrichment. Experimental results show that the accuracy and speed of the detection algorithm are improved for the object of small sizes.

Publication
IEICE TRANSACTIONS on Information Vol.E103-D No.10 pp.2188-2198
Publication Date
2020/10/01
Publicized
2020/07/14
Online ISSN
1745-1361
DOI
10.1587/transinf.2020EDP7088
Type of Manuscript
PAPER
Category
Pattern Recognition

Authors

Junxing ZHANG
  Dalian Minzu University
Shuo YANG
  Kyushu Institute of Technology
Chunjuan BO
  Dalian Minzu University
Huimin LU
  Kyushu Institute of Technology

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