Skin Cancer Diagnostics with an All-Inclusive Smartphone Application

• URL: http://arxiv.org/abs/2205.12438v1
• Date: Wed, 25 May 2022 02:02:08 GMT
• Title: Skin Cancer Diagnostics with an All-Inclusive Smartphone Application
• Authors: Upender Kalwa, Christopher Legner, Taejoon Kong, Santosh Pandey
• Abstract summary: There is significant interest in developing portable, at-home melanoma diagnostic systems. Here, we present a smartphone application that combines image capture capabilities with preprocessing and segmentation. Our approach is made computationally light, user friendly, and reliable in discriminating melanoma cases from benign ones.
• Score: 2.840144824279212
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Among the different types of skin cancer, melanoma is considered to be the deadliest and is difficult to treat at advanced stages. Detection of melanoma at earlier stages can lead to reduced mortality rates. Desktop-based computer-aided systems have been developed to assist dermatologists with early diagnosis. However, there is significant interest in developing portable, at-home melanoma diagnostic systems which can assess the risk of cancerous skin lesions. Here, we present a smartphone application that combines image capture capabilities with preprocessing and segmentation to extract the Asymmetry, Border irregularity, Color variegation, and Diameter (ABCD) features of a skin lesion. Using the feature sets, classification of malignancy is achieved through support vector machine classifiers. By using adaptive algorithms in the individual data-processing stages, our approach is made computationally light, user friendly, and reliable in discriminating melanoma cases from benign ones. Images of skin lesions are either captured with the smartphone camera or imported from public datasets. The entire process from image capture to classification runs on an Android smartphone equipped with a detachable 10x lens, and processes an image in less than a second. The overall performance metrics are evaluated on a public database of 200 images with Synthetic Minority Over-sampling Technique (SMOTE) (80% sensitivity, 90% specificity, 88% accuracy, and 0.85 area under curve (AUC)) and without SMOTE (55% sensitivity, 95% specificity, 90% accuracy, and 0.75 AUC). The evaluated performance metrics and computation times are comparable or better than previous methods. This all-inclusive smartphone application is designed to be easy-to-download and easy-to-navigate for the end user, which is imperative for the eventual democratization of such medical diagnostic systems.

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