Journal
INTERNATIONAL JOURNAL OF GENERAL MEDICINE
Volume 15, Issue -, Pages 2271-2282Publisher
DOVE MEDICAL PRESS LTD
DOI: 10.2147/IJGM.S347491
Keywords
deep classification framework; deep neural network; grid-based deep feature generator; iterative feature selection; breast ultrasonography (BUS)
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This article presents a new deep feature generation technique for breast cancer detection using breast ultrasonography (BUS) images. The proposed method uses pre-trained CNN models as feature generators and applies a grid-based approach to process the images. The experimental results demonstrate the high accuracy of this method in classifying ultrasonic images.
Purpose: Breast cancer is a prominent cancer type with high mortality. Early detection of breast cancer could serve to improve clinical outcomes. Ultrasonography is a digital imaging technique used to differentiate benign and malignant tumors. Several artificial intelligence techniques have been suggested in the literature for breast cancer detection using breast ultrasonography (BUS). Patients and Methods: This work presents a new deep feature generation technique for breast cancer detection using BUS images. The widely known 16 pre-trained CNN models have been used in this framework as feature generators. In the feature generation phase, the used input image is divided into rows and columns, and these deep feature generators (pre-trained models) have applied to each row and column. Therefore, this method is called a grid-based deep feature generator. The proposed grid-based deep feature generator can calculate the error value of each deep feature generator, and then it selects the best three feature vectors as a final feature vector. In the feature selection phase, iterative neighborhood component analysis (INCA) chooses 980 features as an optimal number of features. Finally, these features are classified by using a deep neural network (DNN). Results: The developed grid-based deep feature generation-based image classification model reached 97.18% classification accuracy on the ultrasonic images for three classes, namely malignant, benign, and normal. Conclusion: The findings obviously denoted that the proposed grid deep feature generator and INCA-based feature selection model successfully classified breast ultrasonic images.
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