Fast approximation of trilateral filter for tone mapping using a signal processing approach

In this paper, we present a novel fast approximation of the trilateral filter for high dynamic range (HDR) image tone mapping using a signal processing approach. Our fast trilateral filter-based tone-mapping algorithms are about 15–25 times faster than the existing one in Choudhury and Tumblin [The...

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Bibliographic Details
Published in:Signal processing 2009-05, Vol.89 (5), p.901-907
Main Authors: Shen, Jianbing, Fang, Shiaofen, Zhao, Hanli, Jin, Xiaogang, Sun, Hanqiu
Format: Article
Language:English
Subjects:
Algorithms
Applied sciences
Approximation
Exact sciences and technology
Fast approximation
Image contrast
Information, signal and communications theory
Mapping
Mathematical analysis
Miscellaneous
Sampling, quantization
Signal and communications theory
Signal processing
Strategy
Telecommunications and information theory
Tone mapping
Trilateral filter
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Summary:In this paper, we present a novel fast approximation of the trilateral filter for high dynamic range (HDR) image tone mapping using a signal processing approach. Our fast trilateral filter-based tone-mapping algorithms are about 15–25 times faster than the existing one in Choudhury and Tumblin [The trilateral filter for high contrast images and meshes, in: Eurographics Symposium on Rendering ’03, 2003, pp. 186–196]. The novel tone-mapping algorithm for HDR images is presented based on the fast approximation of the gradient bilateral filter and the down-sampling strategy of computing the titling angle image. We show the comparison results with the fast approximation of the trilateral filter using full-kernel, truncated-kernel, piecewise-kernel, separable-kernel, respectively. The proposed approach is suitable for fast HDR image tone-mapping, and the experimental results show satisfactory performancce.
ISSN:0165-1684
1872-7557
DOI:10.1016/j.sigpro.2008.11.009