Computer-Aided Diagnosis

Classification of reticular pattern and streaks in dermoscopic images based on texture analysis

[+] Author Affiliations
Marlene Machado, Jorge Pereira

Instituto de Telecomunicações, Multimedia Signal Processing Group, Morro do Lena, Alto do Vieiro, Campus 2, IPLeiria, Leiria 2411-901, Portugal

Rui Fonseca-Pinto

Instituto de Telecomunicações, Multimedia Signal Processing Group, Morro do Lena, Alto do Vieiro, Campus 2, IPLeiria, Leiria 2411-901, Portugal

Polytechnic Institute of Leiria, School of Technology and Management, Morro do Lena, Alto do Vieiro, Campus 2, Apartado 4163, Leiria 2411-901, Portugal

J. Med. Imag. 2(4), 044503 (Dec 29, 2015). doi:10.1117/1.JMI.2.4.044503
History: Received May 19, 2015; Accepted November 30, 2015
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Abstract.  The early detection of melanoma is one of the greatest challenges in clinical practice of dermatology, and the reticular pattern is one of the most important dermoscopic structures to improve melanocytic lesion diagnosis. A texture-based approach is developed for the automatic detection of reticular patterns, whose output will assist clinical decision-making. Feature selection was based on the use of two algorithms by means of the classical graylevel co-occurrence matrix and Laws energy masks optimized on a set of 104 dermoscopy images. The AdaBoost (adaptive boosting) approach to machine learning was used within this strategy. Results suggest superiority of LEM for reticular pattern detection in dermoscopic images, achieving a sensitivity of 90.16% and a specificity of 86.67%. The use of automatic classification in dermoscopy to support clinicians is a strong tool to assist diagnosis; however, the use of automatic classification as a complementary tool in clinical routine requires algorithms with high levels of sensitivity and specificity. The results presented in this work will contribute to achieving this goal.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Marlene Machado ; Jorge Pereira and Rui Fonseca-Pinto
"Classification of reticular pattern and streaks in dermoscopic images based on texture analysis", J. Med. Imag. 2(4), 044503 (Dec 29, 2015). ; http://dx.doi.org/10.1117/1.JMI.2.4.044503


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