JPEG artifacts removal based on quantization coefficients
jpeg-quantsmooth or jpegqs tries to recover the lost precision of DCT coefficients based on a quantization table from a JPEG image. The result is saved as a JPEG image with quantization set to 1 (like a JPEG saved at 100% quality).
jpeg-quantsmooth or jpegqs tries to recover the lost precision of DCT coefficients based on a quantization table from a JPEG image. The result is saved as a JPEG image with quantization set to 1 (like a JPEG saved at 100% quality).
To install jpeg-quantsmooth, run the following command in macOS terminal (Applications->Utilities->Terminal)
sudo port install jpeg-quantsmooth
To see what files were installed by jpeg-quantsmooth, run:
port contents jpeg-quantsmooth
To later upgrade jpeg-quantsmooth, run:
sudo port selfupdate && sudo port upgrade jpeg-quantsmooth
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