Re: Sharpen, Smooth and Tiff -- Envision Support Forum

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Date Posted: 17:34:16 10/12/05 Wed
Author: Michel
Subject: Re: Sharpen, Smooth and Tiff
In reply to: Bret 's message, "Sharpen, Smooth and Tiff" on 14:16:28 09/29/05 Thu

Hi Bret,

The problem is that when saving color tiff images with the demo program, it saves with JPEG compression inside the tiff file. And, the windows imaging programming does not use the revised tiff specifications, which Envision does. I have tried without success to have libtiff (the tiff library used within Envision) to support.

You can work around this by using lzw or packbits compression within the tiff files to make them more portable.

See more explaination at,
<a rel=nofollow target=_blank href="http://www.remotesensing.org/libtiff/TIFFTechNote2.html">http://www.remotesensing.org/libtiff/TIFFTechNote2.html</a>

Best regards,

Michel

>Try this scenerio:
>Using the demo system, scan and save a document as a
>tiff image.
>
>Now Smooth or Sharpen the image and "Save As"
>
>Close the demo
>Open the tiff with 'Imaging' (found in your
>accessories) or if you have microsoft office, double
>clicking it may bring up the "Microsoft Office
>Document Imaging" viewer. Either way, none of the
>programs (Microsoft or Kodak) can view an image that
>has been sharpened or smoothed with Envision v2.01 or
>v2.50.
>
>However, the above mentioned programs will view the
>original tiff image as scanned with the demo, or the
>same image that has been flipped or some other change
>to the image.
>
>Please advise.
>
>email: bee oh bee @ bordwell.com read as bob at
>bordwell dot com

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