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Skin Lesion Detection Algorithms in Whole Body Images
Article

Orthorectification of Skin Nevi Images by Means of 3D Model of the Human Body

Institute of Electronics, Lodz University of Technology, Al. Politechniki 10, 93-590 Łódź, Poland
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Academic Editor: Ondrej Krejcar
Sensors 2021, 21(24), 8367; https://doi.org/10.3390/s21248367
Received: 1 November 2021 / Revised: 9 December 2021 / Accepted: 12 December 2021 / Published: 15 December 2021
Melanoma is the most lethal form of skin cancer, and develops from mutation of pigment-producing cells. As it becomes malignant, it usually grows in size, changes proportions, and develops an irregular border. We introduce a system for early detection of such changes, which enables whole-body screening, especially useful in patients with atypical mole syndrome. The paper proposes a procedure to build a 3D model of the patient, relate the high-resolution skin images with the model, and orthorectify these images to enable detection of size and shape changes in nevi. The novelty is in the application of image encoding indices and barycentric coordinates of the mesh triangles. The proposed procedure was validated with a set of markers of a specified geometry. The markers were attached to the body of a volunteer and analyzed by the system. The results of quantitative comparison of original and corrected images confirm that the orthorectification allows for more accurate estimation of size and proportions of skin nevi. View Full-Text
Keywords: visual sensing; skin cancer; image reconstruction; whole-body model visual sensing; skin cancer; image reconstruction; whole-body model
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MDPI and ACS Style

Szczypiński, P.M.; Sprawka, K. Orthorectification of Skin Nevi Images by Means of 3D Model of the Human Body. Sensors 2021, 21, 8367. https://doi.org/10.3390/s21248367

AMA Style

Szczypiński PM, Sprawka K. Orthorectification of Skin Nevi Images by Means of 3D Model of the Human Body. Sensors. 2021; 21(24):8367. https://doi.org/10.3390/s21248367

Chicago/Turabian Style

Szczypiński, Piotr M., and Katarzyna Sprawka. 2021. "Orthorectification of Skin Nevi Images by Means of 3D Model of the Human Body" Sensors 21, no. 24: 8367. https://doi.org/10.3390/s21248367

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