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TIFF and LibTiff Mail List Archive

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2006.09.22 01:07 "[Tiff] Status of ISO JBIG and CIELAB JPEG support", by A Wandering LibTIFF User
2006.09.22 11:14 "Re: [Tiff] Status of ISO JBIG and CIELAB JPEG support", by Joris Van Damme
2006.09.26 06:48 "Re: [Tiff] Status of ISO JBIG and CIELAB JPEG support", by A Wandering LibTIFF User
2006.09.26 10:48 "Re: [Tiff] Status of ISO JBIG and CIELAB JPEG support", by Jean-Yves Le Ridant
2006.09.26 11:56 "Re: [Tiff] Status of ISO JBIG and CIELAB JPEG support", by A Wandering LibTIFF User
2006.09.26 12:50 "Re[2]: [Tiff] Status of ISO JBIG and CIELAB JPEG support", by Jean-Yves Le Ridant
2006.09.26 17:53 "Re[2]: [Tiff] Status of ISO JBIG and CIELAB JPEG support", by Jean-Yves Le Ridant
2006.09.26 21:20 "RE: Re[2]: [Tiff] Status of ISO JBIG and CIELAB JPEG support", by Chris Cox
2006.09.26 23:25 "Re: [Tiff] Status of ISO JBIG and CIELAB JPEG support", by Jean-Yves Le Ridant
2006.09.27 06:13 "Re: [Tiff] Status of ISO JBIG and CIELAB JPEG support", by Graeme Gill
2006.09.26 14:02 "Re: [Tiff] Status of ISO JBIG and CIELAB JPEG support", by Joris Van Damme
2006.09.26 13:38 "Re: [Tiff] Status of ISO JBIG and CIELAB JPEG support", by Joris Van Damme
2006.09.27 12:38 "Re: [Tiff] Status of ISO JBIG and CIELAB JPEG support", by Joris Van Damme
2006.09.27 19:42 "Re: [Tiff] Status of ISO JBIG and CIELAB JPEG support", by A Wandering LibTIFF User
2006.09.27 20:39 "Re: [Tiff] Status of ISO JBIG and CIELAB JPEG support", by Joris Van Damme
2006.09.28 18:39 "Re[2]: [Tiff] Status of ISO JBIG and CIELAB JPEG support", by Jean-Yves Le Ridant
2006.09.29 08:30 "Re[2]: [Tiff] Status of ISO JBIG and CIELAB JPEG support", by Jean-Yves Le Ridant
2006.09.29 12:50 "Re: Re[2]: [Tiff] Status of ISO JBIG and CIELAB JPEG support", by Joris Van Damme
2006.10.03 11:26 "Re[4]: [Tiff] Status of ISO JBIG and CIELAB JPEG support", by Jean-Yves Le Ridant
2006.10.03 13:09 "Re: [Tiff] Status of ISO JBIG and CIELAB JPEG support", by Joris Van Damme
2006.10.19 12:56 "Re: [Tiff] Status of ISO JBIG and CIELAB JPEG support", by LERIDANT Jean-Yves
2006.09.27 20:12 "Re: [Tiff] Status of ISO JBIG and CIELAB JPEG support", by A Wandering LibTIFF User
2006.09.22 13:55 "RE: [Tiff] Status of ISO JBIG and CIELAB JPEG support", by Ed Grissom
2006.09.25 17:08 "Re: [Tiff] Status of ISO JBIG and CIELAB JPEG support", by Joris Van Damme

2006.09.26 12:50 "Re[2]: [Tiff] Status of ISO JBIG and CIELAB JPEG support", by Jean-Yves Le Ridant

This lack of reference reader/writer/viewver is why I said to Joris about trying ICCLAB ( I understand that ITULAB is "great").

Are these standards too new to be adequately documented? Are they controlled by patent-enforcing companies which are aggressive litigators?

No, the main problem is that it avoid the vaste of cycles, bandwidth, and storage space.

Tell me about 3 x 128bits floating point RAW RGBA!

:-))

I DID try to find some reference images as well as a complete specification, but didn't find much at all.

The spec is complete, without the least ambiguïty. Another problem...

I have link, somewhere, must just find it...

a "jpegintiff CIELAB affair" for any purpose other that what PhotoShop can do ( in turn save a monochrome file with a well defined calibrated L grayscale ) is basically... hazardous.

I understand. It seems that the standard is too new and emergent to be very useful outside a very limited scope.

No, the problem is with and for the "old" CIELa*b* photometric. Somewhere, you'll need to use a jpeg codec in its "COLOR BLIND" mode, most of these are designed for unsigned 0... 2^N - 1 representations, and you can't assume what they do in range limiting at various points. Have a look to all the care of jpeglib about "CHAR" manipulations... ;-)

I'm puzzled as to why it was embraced and adopted by the facsimile hardware vendors.

cf above...

Designing a "modern" facsimile system without computer-based documents management and processing firmly in mind seems mentally deranged.

Hum..., ça se discute.
:-)

--
Jean-Yves