Figure 9

PSNR, SSIM and (PSNR/BRISQUE) box-plots of the five SR models: (a) BSRGAN, (b) real-ESRGAN, (c) swin, (d) Swin_large and (e) DBPISR. These box plots show the PSNR/SSIM statistics calculated on a set of 75,100 and 75 images resp. for: Ghana, Malawi and Uganda; the enhancement of these networks is 4X.