An Improved Method Based on Fast Bilateral Filter for High Dynamic Image Rendering

Hui Zhang; Hua Wang; Jian Zhong Cao; Xiao Dong Zhao; Yang Jie Lei; Guang Sen Liu

doi:10.4028/www.scientific.net/AMR.710.665

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 710An Improved Method Based on Fast Bilateral Filter...

An Improved Method Based on Fast Bilateral Filter for High Dynamic Image Rendering

Abstract:

This paper presents an improved high dynamic range image tone mapping method based on fast bilateral filtering. The algorithm first applied a bilateral filtering to the luminance channel of the image, the image is decomposed into an HDR base layer and an LDR detail layer. Then the HDR base layer is blurred with bilateral filtering again, get the details portion of the base layer, at the same time the dynamic range of the global base layer is compressed. Finally, the detail component and the compressed HDR base layer are recombined and the result is tone-mapped image for displaying. For color image, the color restoration converts luminance value into RGB color. Experimental results show that the proposed technique performed better than the conventional bilateral filtering, preserving more details and enhancing local contrast, giving decent visual effect and avoiding additional artifacts.

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Periodical:

Advanced Materials Research (Volume 710)

Pages:

665-669

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.710.665

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Online since:

June 2013

Authors:

Hui Zhang, Hua Wang, Jian Zhong Cao, Xiao Dong Zhao, Yang Jie Lei, Guang Sen Liu

Keywords:

Fast Bilateral Filter, High Dynamic Image, Tone-Mapping

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References

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