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. 2022 Jan 14;17(1):e0262349. doi: 10.1371/journal.pone.0262349

Table 10. Comparison with other studies on breast cancer detection (n = normal, ab = abnormal, Ea = Early, Ac = Acute).

Ref. Segmentation method #patients / Thermograms Classification Method Results
[8] an enhanced segmentation method based on both Neutrosophic sets (NS) and optimized Fast Fuzzy c-mean (F-FCM) algorithm. 63 thermograms (29 N / 34 AB) SVM Classifier Accuracy = 92.06%
Precision = 87.5%
Recall = 96.55%
[23] Manual 40 thermograms (26 N / 14 AB) SVM, Naïve Bayes and KNN classifier Accuracy = 92.5% and Sensitivity = 78.6% with KNN
Accuracy = 85% and Sensitivity = 85.7% with SVM
Accuracy = 80% and Sensitivity = 85.7% with Naïve Bayes
[24] Manual 68 thermograms (26 Ea / 42 Ac) DT, KNN, SVM and SVM-RBF Accuracy = 95.59%,
Sensitivity = 96% and Specificity = 95.35% with SVM-RBF
[25] Canny edge detection methods followed by gradient operators and Hough transform for boundary detection Thermograms of 22 women (11 N / 11AB) SVM Classifier Accuracy = 90.91%,
Sensitivity = 81.82%
Specificity = 100%
[26] Otsu’s threshold to remove background followed by a reconstruction technique. 306 thermograms (183 N / 123 AB) Feed-forward artificial neural network with gradient decent Accuracy = 90.48%,
Sensitivity = 87.6%,
Specificity = 89.73%
[27] Manual 600 thermograms (300 N / 300 AB) SVM-C Accuracy = 93.5%,
Sensitivity = 93%,
Specificity = 94%
[30] Not defined 282 thermograms (147 N / 135 AB) CNN using transfer learning Accuracy = 94.3%
Precision = 94.7%
Recall = 93.3%
[32] Projection profile analysis 140 patients (98 N / 32 AB) Convolutional Neural Networks optimized by Bayes algorithm Accuracy = 98.95%
Proposed method U-Net network 1000 thermograms (500 N / 500 AB) Two-class CNN-based deep learning model Accuracy = 99.33%,
Sensitivity = 100%,
Specificity = 98.67%