通过 Real-ESRGAN 给图像/视频超分辨率

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Usage: realesrgan-ncnn-vulkan -i infile -o outfile [options]...

  -h                   show this help
  -i input-path        input image path (jpg/png/webp) or directory
  -o output-path       output image path (jpg/png/webp) or directory
  -s scale             upscale ratio (can be 2, 3, 4. default=4)
  -t tile-size         tile size (>=32/0=auto, default=0) can be 0,0,0 for multi-gpu
  -m model-path        folder path to the pre-trained models. default=models
  -n model-name        model name (default=realesr-animevideov3, can be realesr-animevideov3 | realesrgan-x4plus | realesrgan-x4plus-anime | realesrnet-x4plus)
  -g gpu-id            gpu device to use (default=auto) can be 0,1,2 for multi-gpu
  -j load:proc:save    thread count for load/proc/save (default=1:2:2) can be 1:2,2,2:2 for multi-gpu
  -x                   enable tta mode
  -f format            output image format (jpg/png/webp, default=ext/png)
  -v                   verbose output

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./realesrgan-ncnn-vulkan -i [输入图片] -o [输出图片] -n [模型名称]

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./realesrgan-ncnn-vulkan -i Input.jpg -o Output.jpg -n realesrgan-x4plus

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ffmpeg -i [视频文件名]

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  Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt470bg/unknown/unknown), 384x288 [SAR 1:1 DAR 4:3], 640 kb/s, 24.92 fps, 24.92 tbr, 19136 tbn, 49.83 tbc (default)

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ffmpeg -y -i [视频文件名] ./Input/%04d.png

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./realesrgan-ncnn-vulkan -i Input/ -o Output/ -n realesrgan-x4plus

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ffmpeg -y -framerate [上面查看帧率] -i Output/%04d.png [新视频文件名]

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ffmpeg -y -framerate 24.02 -i Output/%04d.png ./Roundhay_Garden_Scene.GAN.mp4

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ffmpeg -i [未超分视频文件] -vn -ac 2 out.mp3
ffmpeg -i [已超分视频文件] -i out.mp3 -c copy -map 0:v:0 -map 1:a:0 [最后视频文件]