Segmentation of black ink and melanin in skin histopathological images

Paweł Kłeczek; Martyna Lech; Joanna Jaworek-Korjakowska; Grzegorz Dyduch; Ryszard Tadeusiewicz

doi:10.1117/12.2292859

6 March 2018 Segmentation of black ink and melanin in skin histopathological images

Paweł Kłeczek, Martyna Lech, Joanna Jaworek-Korjakowska, Grzegorz Dyduch, Ryszard Tadeusiewicz

Proceedings Volume 10581, Medical Imaging 2018: Digital Pathology; 105811A (2018) https://doi.org/10.1117/12.2292859
Event: SPIE Medical Imaging, 2018, Houston, Texas, United States

Abstract

The black ink (India ink) and melanin are substances often found in histopathological images of skin specimens. If present in abundant quantity, they negatively affect the outcome of automatic stain deconvolution methods. We propose an automatic black ink and melanin segmentation method based on global color threshol- ding in CIELAB color space combined with a novel region growing approach. Our technique achieved sensitivity of 87 %, specificity of 99 %, and precision of 94% for black ink detection. It segmented melanin with sensitivity of 93 %, specificity of 99 %, and precision of 84 %. When excluding certain regions of images before performing color deconvolution, we observed better approximation of the stain unmixing matrix.

Citation Download Citation

Paweł Kłeczek, Martyna Lech, Joanna Jaworek-Korjakowska, Grzegorz Dyduch, and Ryszard Tadeusiewicz "Segmentation of black ink and melanin in skin histopathological images", Proc. SPIE 10581, Medical Imaging 2018: Digital Pathology, 105811A (6 March 2018); https://doi.org/10.1117/12.2292859

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