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[filmscanners] Re: JPG sharpening [was: Color spaces for different purposes]

Maris writes:

> True enough, but if the image requires sharpening?

You cannot know if an image will require sharpening or not until you know
how the image will actually be used.

> I would think it better to convert to JPG and
> then sharpen rather than sharpen in TIFF and then
> convert.

Neither of these operations is possible.  You cannot sharpen anything while
it is stored in a TIFF or JPEG file; you must open the file, read the image
data inside, and load it into an image-editing program such as Photoshop in
order to sharpen it.  While the image is in Photoshop, it _does not have_ a
format; it is not TIFF or JPEG or anything else.  When you store the image,
it is recorded in a file in TIFF or JPEG format.  But you cannot "sharpen an
image in TIFF" or "sharpen an image after conversion to JPEG"; neither of
these makes any real sense.

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