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2009 22nd IEEE International Symposium on Computer-Based Medical Systems

DOI: 10.1109/cbms.2009.5255352

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Learning a nonlinear color distance metric for the identification of skin immunohistochemical staining

This paper is available in a repository.
This paper is available in a repository.

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Abstract

This paper presents a semiautomatic method for the identification of immunohistochemical (IHC) staining in digitized samples. The user trains the system by selecting on a sample image some typical positive stained regions that will be used as a reference for the construction of a distance metric. In this learning process, the global optimum is obtained by induction employing higher polynomial terms of the Mahalanobis distance, extracting nonlinear features of the IHC pattern distributions. The results of the proposed method showed a high correlation to a pathologist's manual analysis, which was used as a golden standard, presenting a more robust discrimination between stained and non-stained areas with little bias.