期刊
IMAGE AND VISION COMPUTING
卷 26, 期 9, 页码 1285-1295出版社
ELSEVIER
DOI: 10.1016/j.imavis.2008.03.007
关键词
HSI; SML; multi-focus; focus measure; coarse-edge map; region-filling
This paper presented a simple algorithm for fusion of multi-focus color images. The algorithm was developed in HSI space where the intensity component was not very sensitive to noise. First, an initial decision map was generated by computing the classical SML (sum-modified-laplacian) as the pixels' focus measure using the intensity component; second, by subtracting one of multi-focus images from another, a coarse edge map was obtained to refine the initial decision map: third, a fast region-filling method was used to build the final decision map; fourth, a soft fusion strategy was applied to the transition zone between focused and clefocused regions and a nice-looking fused image was generated. Experiments showed that the algorithm was effective and the results were acceptable. (C) 2008 Elsevier B.V. All rights reserved.
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