There's waifu2x, it does scaling but also denoising: https://github.com/nagadomi/waifu2x https://github.com/nagadomi/waifu2x And other implementations thereof

There's waifu2x, it does scaling but also denoising: https://github.com/nagadomi/waifu2x https://github.com/nagadomi/waifu2x And other implementations thereof, e.g: https://github.com/nihui/waifu2x-ncnn-vulkan https://github.com/nihui/waifu2x-ncnn-vulkan