waifu2x converter ncnn version, runs fast on intel / amd / nvidia with vulkan
waifu2x-ncnn-vulkan use ncnn project [https://github.com/Tencent/ncnn] as the universal nerual network inference framework
https://github.com/nihui/waifu2x-ncnn-vulkan/releases
waifu2x.exe [input image] [output png] [noise=-1/0/1/2/3] [scale=1/2]
- noise = noise level, large value means strong denoise effect, -1=no effect
- scale = scale level, 1=no scale, 2=upscale 2x
waifu2x.exe origin.jpg output.png 2 2
https://github.com/nagadomi/waifu2x