Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/27172
Title: An adaptive algorithm for the display of high-dynamic range images
Authors: Li, X
Lam, KM 
Shen, L
Keywords: High-dynamic range image
Tone mapping
Tone reproduction
Issue Date: 2007
Publisher: Academic Press
Source: Journal of visual communication and image representation, 2007, v. 18, no. 5, p. 397-405 How to cite?
Journal: Journal of visual communication and image representation 
Abstract: A novel algorithm based on spatial and statistical information is proposed for the display of high-dynamic range (HDR) images. In our proposed algorithm, an image is first decomposed into a base layer and a detailed layer, which represent its smoothed and fine details, respectively. The problem of overall impression preservation is regarded as a global issue in our algorithm. Statistical-based histogram adjustment is employed to deal with the base layer. The reproduction of visual details is regarded as a local issue. The detailed layer obtained using a spatial filter is adaptively enhanced according to the mapping function used for the base layer. The main contributions of our algorithm are that: (1) an adaptive detail-enhancement method is proposed and (2) a gain map is defined to combine the local and global issues. Experimental results show the superior performance of our approach in terms of visual quality.
URI: http://hdl.handle.net/10397/27172
ISSN: 1047-3203
DOI: 10.1016/j.jvcir.2007.06.005
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