Novel chromaticity similarity based color texture descriptor for digital pathology image analysis.
Novel chromaticity similarity based color texture descriptor for digital pathology image analysis.
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DOI:
10.1371/journal.pone.0206996
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发表时间:
2018
期刊:
影响因子:
3.7
通讯作者:
Plataniotis KN
中科院分区:
文献类型:
--
作者:
Li X;Plataniotis KN
Pathology images are color in nature due to the use of chemical staining in biopsy examination. Aware of the high color diagnosticity in pathology images, this work introduces a compact rotation-invariant texture descriptor, named quantized diagnostic counter-color pattern (QDCP), for digital pathology image understanding. On the basis of color similarity quantified by the inner product of unit-length color vectors, local counter-color textons are indexed first. Then the underlined distribution of QDCP indexes is estimated by an image-wise histogram. Since QDCP is computed based on color difference directly, it is robust to small color variation usually observed in pathology images. This study also discusses QDCP’s extraction, parameter settings, and feature fusion techniques in a generic pathology image analysis pipeline, and introduces two more descriptors QDCP-LBP and QDCP/LBP. Experimentation on public pathology image sets suggests that the introduced color texture descriptors, especially QDCP-LBP, outperform prior color texture features in terms of strong descriptive power, low computational complexity, and high adaptability to different image sets.
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