NDLI: Property-based shadow detection and removal method for licence plate image

Content Provider	IET Digital Library
Author	Gao, Fei Xu, Yunjing Ge, Yisu Lu, Shufang Zhang, Yuanming
Abstract	Shadow detection and removal is a classic research in the field of image processing. This work aims to address the problem of shadow detection and removal for licence plate. The shadow detection and removal method based on inherent properties of licence plate is presented in this study. First, an S–V-channel-property-based shadow detection algorithm is investigated to extract the background-shaded area of licence plate. Afterwards, a shadow edge location algorithm is proposed to detect the complete shadow edge. Then, the shadow is removed on H, S, and V channels with different strategies, respectively. Also, a filter-based median filtering algorithm is employed to remove the pseudo-edge. Finally, the proposed method is verified through comparing with other generic shadow detection and removal methods quantitatively and qualitatively.
Starting Page	1415
Ending Page	1425
Page Count	11
ISSN	17519659
Volume Number	14
e-ISSN	17519667
Issue Number	Issue 7, May (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-ipr/14/7
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-ipr.2018.5660
Journal	IET Image Processing
Publisher Date	2020-01-29
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Computer Vision And Image Processing Technique Edge Detection Filter-based Median Filtering Algorithm Filtering Method in Signal Processing Filtering Theory Generic Shadow Detection Image Recognition Licence Plate Image Median Filter Object Detection Property-based Shadow Removal Method Shadow Edge Location Algorithm S–V-channel-property-based Shadow Detection Algorithm Traffic Engineering Computing
Content Type	Text
Resource Type	Article
Subject	Signal Processing Electrical and Electronic Engineering Computer Vision and Pattern Recognition Software

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