Paul Rubin wrote
>> (1) Can this be done with python? If so, what module do I need to look
>> up?
>
> You could do it with PIL, or run jpegtran in an external process.
> jpegtran may be easier.
eh? are you sure you know what jpegtran does?
JPEGTRAN(1)
JPEGTRAN(1)
NAME
jpegtran - lossless transformation of JPEG files
SYNOPSIS
jpegtran [ options ] [ filename ]
DESCRIPTION
jpegtran performs various useful transformations of JPEG files. It
can
translate the coded representation from one variant of JPEG to
another,
for example from baseline JPEG to progressive JPEG or vice versa.
It
can also perform some rearrangements of the image data, for
example
turning an image from landscape to portrait format by rotation.
jpegtran works by rearranging the compressed data (DCT
coefficients),
without ever fully decoding the image /.../
</F>
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