NDLI: Color correction without color patterns for stereoscopic camera systems

Content Provider	IEEE Xplore Digital Library
Author	Youngbae Hwang Je Woo Kim Byeong Ho Choi Wangheon Lee
Copyright Year	2011
Description	Author affiliation: Multimedia Center, Korea Electronics Technology Institute (KETI), Seongnam, Gyeonggi Province, 463-816, Korea (Youngbae Hwang; Je Woo Kim; Byeong Ho Choi) \|\| Dept. of Information Technology, Hansei Univ., Gunpo, Gyeonggi Province, 435-742, Korea (Wangheon Lee)
Abstract	Color consistency between image pairs from stereo camera systems is crucial for 3D display systems as well as depth estimation by stereo matching. Even though we use the same type of cameras with the same hardware settings, color response can be significantly different due to the variation of lighting conditions and radiometric characteristics. In this paper, we propose a color correction method for stereoscopic camera systems. Previously, color patterns were used to search out color matches between two or multiple images. In spite of accurate estimation of the previous work, using color patterns has the limitation for various applications. Without color patterns, we automatically find correspondences of a stereo pair using feature detection and RANSAC-based stereo matching. Then, by calculating color transform matrix, we reduce color discrepancy between the stereo pair. The accuracy of color correction is dependent on feature detectors, matching procedures and color transform methods. Experimental results show that appropriate types of them should be chosen according to target applications in the view of the processing time and accuracy.
Starting Page	1129
Ending Page	1134
File Size	4847635
Page Count	6
File Format	PDF
ISBN	9781457708350
ISSN	20937121
e-ISBN	9788993215038
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-10-26
Publisher Place	Korea (South)
Access Restriction	Subscribed
Rights Holder	ICROS
Subject Keyword	Image color analysis Detectors Transforms Feature extraction Cameras Color consistency Three dimensional displays Stereo vision Stereoscopic camera system Color correction
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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