Challenges of automatic processing of large amount of skin lesion multispectral data

I. Lihacova; E. Cibulska; A. Lihachev; M. Lange; E. V. Plorina; D. Bliznuks; A. Derjabo; N. Kiss

doi:10.1117/12.2582049

28 October 2020 Challenges of automatic processing of large amount of skin lesion multispectral data

I. Lihacova, E. Cibulska, A. Lihachev, M. Lange, E. V. Plorina, D. Bliznuks, A. Derjabo, N. Kiss

Proceedings Volume 11585, Biophotonics—Riga 2020; 115850C (2020) https://doi.org/10.1117/12.2582049
Event: Third International Conference Biophotonics Riga 2020, 2020, Riga, Latvia

Abstract

This work will describe the challenges involved in setting up automatic processing for a large differentiated data set. In this study, a multispectral (skin diffuse reflection images using 526nm (green), 663nm (red), and 964nm (infrared) illumination and autofluorescence (AF) image using 405 nm excitation) data set with 756 lesions (3024 images) was processed. Previously, using MATLAB software, finding markers, correctly segmenting images with dark edges and image alignment were the main causes of the problems in automatic data processing. To improve automatic processing and eliminate the use of licensed software, the latter was substituted with the open source Python environment. For more precise segmentation of skin markers and skin lesions, as well for image alignment, the processing of artificial neural networks was utilized. The resulting processing method solves most of the issues of the MATLAB script. However, for even more accurate results, it is necessary to provide more accurate ground-truth segmentation masks and generate more input data to increase the training image database by using data augmentation.

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I. Lihacova, E. Cibulska, A. Lihachev, M. Lange, E. V. Plorina, D. Bliznuks, A. Derjabo, and N. Kiss "Challenges of automatic processing of large amount of skin lesion multispectral data", Proc. SPIE 11585, Biophotonics—Riga 2020, 115850C (28 October 2020); https://doi.org/10.1117/12.2582049

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