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RE: filmscanners: Re: Scanning problems

Ed writes ...

> In a message dated 2/5/2001 9:19:45 AM EST,
> CookeJ@logica.com writes:
> > I've just had my 6x7 trannies ...

> ... This is only 7:1 compression, and I suspect that if
> you did a bit by bit subtraction of the jpeg and tiff
> files you'd find at most some errors in the least
> significant bit.

        The only question which remains is if the service's JPEG compression
also smoothed the data before compression.  Smoothing is a common
practice for increasing the JPEG's effeciency.  This would certainly
cause differences greater than only in the LSB.

shAf  :o)


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