2007.07.03 18:37 "[Tiff] BigTIFF extension?", by Phil Harvey

2007.07.04 17:28 "Re: [Tiff] 16-Bit-Per-Channel Lossless Compression", by Michael Wolf

On Wed, 04 Jul 2007 19:13:40 +0200, Stephen Carlsen <sc42business@mac.com> wrote:

If we can come up with a simple approach that gives us on the order of 2:1 compression of 16 bit photographs, is this useful, or are storage space and bandwidth now so inexpensive that we don't care any more?

You might want to have a look at openEXR and the compression schemes it uses (most of them lossless). They have been designed for 16/32bit float and real world imagery (i.e. film, which is close enough to photographs). None of them achieve 1:2 though. You're lucky if you manage to shave off 30%-40%.


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