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Lloyd Donaldson wrote:

>We routinely use jp2 loss-less format. You can download a plugin for
>photoshop from www.algovision-luratech.com.
>We have obtained 46% compression at the lossless setting so you should get
>twice as much data on a CD. jp2 has been accepted by ISO so should be
>supported by newer versions of image processing software.

I tested various compression systems for the new edition of Jim Pawley's
book.  PNG seems to do at least as well as lossless jp2 and is supported
by rather more software at the present time.  PNG is much slower in
compressing the image than lossless jp2 but much faster in reading it
back.

                                                      Guy

Assoc. Prof. Guy Cox,                 ooOOOOOOoo
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