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Re: Re: converting Jpeg to grayscaleby Willard B. Trophy (Hermit) |
on Jul 22, 2003 at 15:06 UTC ( [id://276759]=note: print w/replies, xml ) | Need Help?? |
Or faster, smaller and better at keeping metadata together than ImageMagick: IJG's jpegtran. This has the advantage of preserving the luminance channel exactly, whereas IM is likely to decompress, greyscale, then recompress the image.
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