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논문 기본 정보

자료유형
학술대회자료
저자정보
Yuki Onishi (Chiba University) Yoshitsugu Manabe (Chiba University) Noriko Yata (Chiba University)
저널정보
한국색채학회 AIC 2017 Jeju 2017 AIC CONGRESS
발행연도
2017.10
수록면
552 - 555 (4page)

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초록· 키워드

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Capturing natural scenes with wide dynamic range content using conventional RGB cameras often includes saturated and/or underexposed pixels. Furthermore, the color reproduction of the image is not sufficient to present correct color. There are some methods of High Dynamic Range (HDR) imaging and spectral imaging to solve these problems. However existing methods of HDR and spectral imaging need some images while changing optical filters, so it is difficult to acquire HDR and spectral video. This paper aims to achieve the HDR spectral video measurement using a single RGB camera with special optical element, complementary color filter (CMY) and neutral density (ND) filter. The CMY-ND image is acquired using CMY filters, ND filter and a single RGB camera with special optical element. First an acquisition image is divided into four images and make a registration. Next the saturated pixels in CMY filter images are detected and these pixels are interpolated by the pixels of ND filter image to generate HDR image. The spectral transformation matrix is calculated using RGB values and spectral distribution data measured beforehand. Spectral information is estimated by using the spectral transformation matrix. In experiments, the measurement accuracy and effectiveness are discussed based on the results of experiments.

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ABSTRACT
INTRODUCTION
METHOD
EXPERIMENTAL RESULT
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UCI(KEPA) : I410-ECN-0101-2019-651-000502254