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Color Calibration of HDR Image under a Known Illumination for Measuring Reflectance Property of Materials

Hyunjin YOO, Kang Y. KIM, Kwan H. LEE

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Summary :

High Dynamic Range Imaging (HDRI) refers to a set of techniques that can represent a dynamic range of real world luminance. Hence, the HDR image can be used to measure the reflectance property of materials. In order to reproduce the original color of materials using this HDR image, characterization of HDR imaging is needed. In this study, we propose a new HDRI characterization method under a known illumination condition at the HDR level. The proposed method normalizes the HDR image by using the HDR image of a light and balances the tone using the reference of the color chart. We demonstrate that our method outperforms the previous method at the LDR level by the average color difference and BRDF rendering result. The proposed method gives a much better reproduction of the original color of a given material.

Publication
IEICE TRANSACTIONS on Information Vol.E92-D No.12 pp.2548-2552
Publication Date
2009/12/01
Publicized
Online ISSN
1745-1361
DOI
10.1587/transinf.E92.D.2548
Type of Manuscript
LETTER
Category
Image Recognition, Computer Vision

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