Hybrid Convolutional Neural Network Architectures for Skin Cancer Classification

Yıl 2021, Sayı: 28, 694 - 701, 30.11.2021

Emine Cengil , Ahmet Çınar , Muhammed Yıldırım

https://doi.org/10.31590/ejosat.1010266

Cited By: 3

Öz

Skin cancer is a common form of cancer seen in humans. Like other diseases, early diagnosis of skin cancer is vital. In the study, deep learning architectures, which are popular machine learning algorithms, are used to classify skin cancer. In order to increase accuracy performance, hybrid structures are realized using K-Nearest neighbor (KNN), Support vector machine (SVM) and Decision tree (DT). After feature extraction using convolutional neural network, KNN, SVM and DT are applied separately for classification. While the KNN and SVM of the produced hybrid structures increase performance, the use of the decision tree has negatively affected the performance. After the training and validation processes with the seven-class skin cancer mnist: ham10000 dataset containing dermatological images, the validation accuracy and confusion matrix criteria of the architectures are reported. Eight different architectures are implemented. The highest accuracy is provided by the structure in which the last layer of Alexnet architecture is replaced by the SVM classifier.

Anahtar Kelimeler

Skin Cancer, Classification, CNN, Deep Learning, Hybrid Structures, KNN, SVM, DT

Cilt Kanseri Sınıflandırması için Hibrit Evrişimli Sinir Ağı Mimarileri

Öz

Deri kanseri, insanlarda görülen yaygın bir kanser türüdür. Diğer hastalıklarda olduğu gibi cilt kanserinde de erken teşhis hayati önem taşımaktadır. Çalışmada cilt kanserini sınıflandırmak için popüler makine öğrenmesi algoritmaları olan derin öğrenme mimarileri kullanılmaktadır. Doğruluk performansını artırmak için K-En yakın komşu (KNN), Destek vektör makinesi (SVM) ve Karar ağacı (DT) kullanılarak hibrit yapılar gerçekleştirilmektedir. Evrişimli sinir ağı kullanılarak öznitelik çıkarıldıktan sonra, sınıflandırma için KNN, SVM ve DT ayrı ayrı uygulanır. Üretilen hibrit yapıların KNN ve SVM'si performansı artırırken, karar ağacının kullanılması performansı olumsuz etkilemektedir. Dermatolojik görüntüleri içeren yedi sınıflı cilt kanseri mnist:ham10000 veri seti ile yapılan eğitim ve doğrulama işlemlerinden sonra mimarilerin doğrulama doğruluğu ve karmaışıklık matrisi kriterleri raporlanır. Sekiz farklı mimari uygulanmaktadır. En yüksek doğruluk, Alexnet mimarisinin son katmanının SVM sınıflandırıcısı ile değiştirildiği yapı tarafından sağlanmaktadır.

Anahtar Kelimeler

Deri Kanseri, Sınıflandırma, ESA, Derin Öğrenme, Hibrit Yapılar, KNN, SVM, DT.

Kaynakça

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