Reference Descriptor Image type Number of images Key findings Alharbi et al. [48 ] 49 features have been utilized. Mammogram 1100 Five feature selection methods: Fisher score, Minimum Redundancy-Maximum Relevance, Relief-f, Sequential Forward Feature Selection, and Genetic Algorithm have been used. Achieved Accuracy, Sensitivity, and specificity are 94.20%, 98.36%, and 99.27%, respectively Peng et al. [49 ] Haralick and Tamura features have been utilized Mammogram 322 Feature reduction has been performed by Rough-Set theory and selected 5 prioritized features. The best Accuracy, Sensitivity, and Specificity achieved were 96.00%, 98.60%, and 89.30% Jalalian et al. [50 ] GLCMMammogram The obtained classifier Accuracy, Sensitivity, and Specificity are 95.20%, 92.40%, and 98.00%, respectively. Compactness Li et al. [51 ] Four feature vectors have been calculated Mammogram 322 2D contour of breast mass in mammography has been converted into 1D signature. NN techniques achieved Accuracy is 99.60% when RMS slope is utilized.Chen et al. [52 ] Autocorrelation featuresUltrasound 242 The overall achieved Accuracy, Sensitivity, and Specificity are 95.00%, 98.00%, and 93%, respectively.Chen et al. [53 ] Autocorrelation featuresUltrasound 1020 The obtained ROC area is 0.9840 ± 0.0072.