Fig. 2

Confusion matrices for the pretrained and finetuned models across different classes in the BCC test set, first row showing the pretrained model and second row the finetuned. a 2-class pretrained model; b 3-class pretrained model; c 5-class pretrained model; d 2-class finetuned model; e 3-class finetuned model; f 5-class finetuned model; g 2-class model trained from scratch; h 3-class model trained from scratch; i 5-class model trained from scratch