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Title: Weighted color and texture sample selection for image matting
Authors: Varnousfaderani, Ehsan Shahrian
Rajan, Deepu
Keywords: DRNTU::Engineering::Computer science and engineering
Issue Date: 2013
Source: Varnousfaderani, E. S.,& Rajan, D. (2013). Weighted color and texture sample selection for image matting . IEEE transactions on image processing, 22(11), 4260-4270.
Series/Report no.: IEEE transactions on image processing
Abstract: Color sampling based matting methods find the best known samples for foreground and background colors of unknown pixels. Such methods do not perform well if there is an overlap in the color distribution of foreground and background regions because color cannot distinguish between these regions and hence, the selected samples cannot reliably estimate the matte. Furthermore, current sampling based matting methods choose samples that are located around the boundaries of foreground and background regions. In this paper, we overcome these two problems. First, we propose texture as a feature that can complement color to improve matting by discriminating between known regions with similar colors. The contribution of texture and color is automatically estimated by analyzing the content of the image. Second, we combine local sampling with a global sampling scheme that prevents true foreground or background samples to be missed during the sample collection stage. An objective function containing color and texture components is optimized to choose the best foreground and background pair among a set of candidate pairs. Experiments are carried out on a benchmark data set and an independent evaluation of the results shows that the proposed method is ranked first among all other image matting methods.
ISSN: 1057-7149
DOI: 10.1109/TIP.2013.2271549
Fulltext Permission: none
Fulltext Availability: No Fulltext
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