NDLI: Generalized Hough Transform: Fast Detection for Hybrid Multi-Circle and Multi-Rectangle

Content Provider	IEEE Xplore Digital Library
Author	Zi-qiang Li
Copyright Year	2006
Description	Author affiliation: Dept. of Comput. Sci. & Eng., Dalian Univ. of Technol. (Zi-qiang Li)
Abstract	The solution to the issue of hybrid multi-circle and multi-rectangle detection is to firstly detect all circles from a digital image with multi-rectangle. When detecting multi-circle, this approach determined each possible circle by two random sample edge pixels and the third edge pixel searched on their perpendicular bisector. As two points are randomly picked and the third point of the possible circle is searched, invalid sample decreases because of the removing of isolated noises, half-link noises and the elimination of non-co-circle points. By affirming the possible circle for true circle in minimal area, invalid computation decreases. When rectangle is detected, any possible rectangle can be obtained by tracking close curve with rule given and can be affirmed whether it is true rectangle or not by the definition of rectangle. The experimental results demonstrate that the approach can implement well hybrid multi-circle and multi-rectangle detection and the detection speed of multi-circles is faster an order of magnitude than randomized circle detection (RCD) proposed by Chen&Chung (2001) on condition of multi-circle, multi-rectangle and/or random levels of noise
Starting Page	10130
Ending Page	10134
File Size	175720
Page Count	5
File Format	PDF
ISBN	1424403324
DOI	10.1109/WCICA.2006.1713982
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-06-21
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Layout Image edge detection Educational technology Noise level Design methodology Humans Genetic algorithms Computer science Machining Computer science education Detection Generalized Hough Transform Multi-Circle Multi-Rectangle
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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