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Message-ID: <3D10B064.9A0BCB0B@arobs.ro>
Date: Wed, 19 Jun 2002 19:25:08 +0300
From: Florin Suciu <fs@arobs.ro>
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To: tiff@olympiakos.com
Subject: Re: Old JPEG in TIF
References: <200206031333.JAA04231@gate7.olympiakos.com> <3CFB8B57.C08E088D@arobs.ro> <3D10ABF0.93DE9CFC@arobs.ro>
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Hi again!
To make more clearly what I intend to do....
 How can de mixed the old JPEG fields from TIF in order to obtain the JPEG
coded image (for JPG baseline and for JPG coded with Huffman lossless)?
I have needed the coded JPEG information in order to decode the old JPEG in TIF
images.

Florin

Florin Suciu wrote:

> Hi!
> Does LibTif support old JPEG in TIF ?
> Which is the correlation between  old JPEG in TIF fields?
> I want to get from TIF the coded information regarding to old JPEG. How
> can be built the coded information concerning to an old JPEG baseline
> embedded into a TIF file? But for an old JPEG with lossless process with
> Huffman coding?
>
> Bottom are the fields that are applicable to “JPEGProc =1” and  “
> JPEGProc =14”
>
> Tag Name                               JPEGProc =1     JPEGProc =14
> ---------------------------------------------------------------------------
>
> JPEGInterchangeFormat              X                            X
> JPEGInterchangeFormatLength    X                            X
> JPEGRestart Interval                    X                            X
> JPEGLosslessPredictors                                              X
> JPEGPointTransforms                                                 X
> JPEGQTables                               X
> JPEGDCTables                            X X
> JPEGACTables                            X
> ,where for “JPEGProc 1” means Baseline sequential process and for
> “JPEGProc 14” means Lossless process with Huffman coding.
>
> Thank you,
> Florin



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