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Color image segmentation using an enhanced Gradient Network Method
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DOI：10.1016/j.patrec.2009.07.005.png)
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The objective of this paper is to evaluate a new combined approach intended for reliable color image segmentation, in particular images presenting color structures with strong but continuous color or luminosity changes, such as commonly found in outdoors scenes. The approach combines an enhanced version of the Gradient Network 2, with common region-growing approaches used as pre-segmentation steps. The GNM2 is an post-segmentation procedure based on graph analysis of global color and luminosity gradients in conjunction with a segmentation algorithm to produce a reliable segmentation result. The approach was automatically evaluated using a close/open world approach. Two different region-growing segmentation methods, CSC and Mumford and Shah with and without the GNM post-processing were compared against ground truth images using segmentation evaluation indices Rand and Bipartite Graph Matching. These results were also confronted with other well established segmentation methods (RHSEG, Watershed, EDISON, JSEG and Blobworld). (C) 2009 Elsevier B.V. All rights reserved.
Keyword:
Color image segmentation
Region-growing
Outdoors scenes
Gradient Network Method
期刊
IF:
3.3
论文数:
7.9K
被引数:
1.6W
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