Perceptual colour spaces for high dynamic range image compression

Vladimir Dolzhenko; Vyacheslav Chesnokov; Eran A. Edirisinghe

doi:10.1117/12.922848

3 May 2012 Perceptual colour spaces for high dynamic range image compression

Vladimir Dolzhenko, Vyacheslav Chesnokov, Eran A. Edirisinghe

Proceedings Volume 8436, Optics, Photonics, and Digital Technologies for Multimedia Applications II; 843608 (2012) https://doi.org/10.1117/12.922848
Event: SPIE Photonics Europe, 2012, Brussels, Belgium

Abstract

This paper presents a two layer CODEC architecture for high dynamic range image compression. The first layer contains the tone mapped image obtained using a conventional low dynamic range encoding approach, such as JPEG. The second layer contains the image difference, in perceptually uniform colour space, between the result of inverse tone mapped low dynamic range content and the original image. We present techniques for efficient implementation and encoding of nonuniform tone mapping operators. Different colourspaces and compression algorithms are compared.

Citation Download Citation

Vladimir Dolzhenko, Vyacheslav Chesnokov, and Eran A. Edirisinghe "Perceptual colour spaces for high dynamic range image compression", Proc. SPIE 8436, Optics, Photonics, and Digital Technologies for Multimedia Applications II, 843608 (3 May 2012); https://doi.org/10.1117/12.922848

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KEYWORDS

High dynamic range imaging

Image compression

Computer programming

Associative arrays

JPEG2000

Image quality

Image quality standards

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