USR-248 - 4x upscaling

Benchmarks

16k/PSNR 16k/SSIM 16k/UIQM 3D Object Super-Resolution/PSNR 3D Object Super-Resolution/SSIM 3D Object Super-Resolution/UIQM Image Super-Resolution/PSNR Image Super-Resolution/SSIM Image Super-Resolution/UIQM Super-Resolution/PSNR Super-Resolution/SSIM Super-Resolution/UIQM