High-dynamic range imaging techniques based on both color-separation algorithms used in conventional graphic arts and the human visual perception modeling

Mei-Chun Lo; Tsung-Hsien Hsieh; Ruey-Kuen Perng; Jiong-Qiao Chen

doi:10.1117/12.838859

18 January 2010 High-dynamic range imaging techniques based on both color-separation algorithms used in conventional graphic arts and the human visual perception modeling

Mei-Chun Lo, Tsung-Hsien Hsieh, Ruey-Kuen Perng, Jiong-Qiao Chen

Author Affiliations +

Proceedings Volume 7537, Digital Photography VI; 75370M (2010) https://doi.org/10.1117/12.838859
Event: IS&T/SPIE Electronic Imaging, 2010, San Jose, California, United States

Abstract

The aim of this research is to derive illuminant-independent type of HDR imaging modules which can optimally multispectrally reconstruct of every color concerned in high-dynamic-range of original images for preferable cross-media color reproduction applications. Each module, based on either of broadband and multispectral approach, would be incorporated models of perceptual HDR tone-mapping, device characterization. In this study, an xvYCC format of HDR digital camera was used to capture HDR scene images for test. A tone-mapping module was derived based on a multiscale representation of the human visual system and used equations similar to a photoreceptor adaptation equation, proposed by Michaelis-Menten. Additionally, an adaptive bilateral type of gamut mapping algorithm, using approach of a multiple conversing-points (previously derived), was incorporated with or without adaptive Un-sharp Masking (USM) to carry out the optimization of HDR image rendering. An LCD with standard color space of Adobe RGB (D65) was used as a soft-proofing platform to display/represent HDR original RGB images, and also evaluate both renditionquality and prediction-performance of modules derived. Also, another LCD with standard color space of sRGB was used to test gamut-mapping algorithms, used to be integrated with tone-mapping module derived.

Citation Download Citation

Mei-Chun Lo, Tsung-Hsien Hsieh, Ruey-Kuen Perng, and Jiong-Qiao Chen "High-dynamic range imaging techniques based on both color-separation algorithms used in conventional graphic arts and the human visual perception modeling", Proc. SPIE 7537, Digital Photography VI, 75370M (18 January 2010); https://doi.org/10.1117/12.838859

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