한국해양대학교

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밝기성분 기반의 광원추정을 이용한 칼라영상 복원

Title
밝기성분 기반의 광원추정을 이용한 칼라영상 복원
Alternative Title
Color Image Recovery using the Illumination Estimation based on the Lightness Components
Author(s)
Kang-SikAhn
Issued Date
2001
Publisher
한국해양대학교 대학원
URI
http://kmou.dcollection.net/jsp/common/DcLoOrgPer.jsp?sItemId=000002218933
http://repository.kmou.ac.kr/handle/2014.oak/9086
Abstract
This paper proposes a new color image recovery method based on the color constancy algorithm. This method uses a color constancy model which represents the characteristics of human visual system. The most important process of color constancy model is the estimation of the spectral distributions of illuminant of an input image. To estimate of the spectral distributions of illuminant of an input image, we use the brightest pixel values and the values of surface reflectance of an input image using a principal component analysis of the given munsell chips. We estimate a CIE tristimulus values of an input image using the estimated spectral distributions of illuminant and recover an image by scaling it regularly. From the experimental results, the proposed method was effective in recovering the color images.
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제어계측공학과 > Thesis
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