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Image classification with binary gradient contours
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DOI：10.1016/j.optlaseng.2011.05.003.png)
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摘要
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In this work we present a new family of computationally simple texture descriptors, referred to as binary gradient contours (BGC). The BGC methodology relies on computing a set of eight binary gradients between pairs of pixels all along a closed path around the central pixel of a 3 x 3 grayscale image patch. We developed three different versions of BGC features, namely single-loop, double-loop and triple-loop. To quantitatively assess the effectiveness of the proposed approach we performed an ensemble of texture classification experiments over 10 different datasets. The obtained results make it apparent that the single-loop version is the best performer of the BGC family. Experiments also show that the single-loop BGC texture operator outperforms the well-known LBP. Statistical significance of the achieved accuracy improvement has been demonstrated through the Wilkoxon signed rank test. (C) 2011 Elsevier Ltd. All rights reserved.
Keyword:
Texture features
BGC
LBP
期刊
IF:
3.7
论文数:
7.2K
被引数:
1.7W
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