(ii) a pre-trained DarkNet-53 model is considered and the output layer is modified based on the augmented dataset classes; 
DarkNet-53 model
Sensors (Basel, Switzerland)
D001940:Breast; D001943:Breast Neoplasms; D000077321:Deep Learning; D005260:Female; D006801:Humans; D011336:Probability; D016217:Ultrasonography, Mammary
Jabeen Kiran K ;Khan Muhammad Attique MA 0000-0001-6763-2123;Alhaisoni Majed M ;Tariq Usman U 0000-0001-7672-1187;Zhang Yu-Dong YD 0000-0002-4870-1493;Hamza Ameer A ;Mickus Artūras A ;Damaševičius Robertas R 0000-0001-9990-1084