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Current Medical Imaging

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ISSN (Print): 1573-4056
ISSN (Online): 1875-6603

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Research Article

Multi-Class Breast Cancer Classification Using Ensemble of Pretrained models and Transfer Learning

Author(s): Perumalla Murali Mallikarjuna Rao, Sanjay Kumar Singh*, Aditya Khamparia, Bharat Bhushan and Prajoy Podder

Volume 18, Issue 4, 2022

Published on: 18 February, 2021

Article ID: e150322191535 Pages: 8

DOI: 10.2174/1573405617666210218101418

Price: $65

Abstract

Aims: Early detection of breast cancer has reduced many deaths. Earlier CAD systems used to be the second opinion for radiologists and clinicians. Machine learning and deep learning have brought tremendous changes in medical diagnosis and imagining.

Background: Breast cancer is the most commonly occurring cancer in women and it is the second most common cancer overall. According to the 2018 statistics, there were over 2million cases all over the world. Belgium and Luxembourg have the highest rate of cancer.

Objective: A method for breast cancer detection has been proposed using Ensemble learning. 2- class and 8-class classification is performed.

Methods: To deal with imbalance classification, the authors have proposed an ensemble of pretrained models.

Results: 98.5% training accuracy and 89% of test accuracy are achieved on 8-class classification. Moreover, 99.1% and 98% train and test accuracy are achieved on 2 class classification.

Conclusion: it is found that there are high misclassifications in class DC when compared to the other classes, this is due to the imbalance in the dataset. In the future, one can increase the size of the datasets or use different methods. In implement this research work, authors have used 2 Nvidia Tesla V100 GPU’s in google cloud platform.

Keywords: Machine learning, deep learning, transfer learning, ensemble learning, resnet, mobilenet, densenet, pyTorch, breast cancer classification.

Graphical Abstract

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