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MathGroup Archive 1999

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Re: Importing 16-bit TIFF files with 4.0

  • To: mathgroup at smc.vnet.net
  • Subject: [mg20232] Re: Importing 16-bit TIFF files with 4.0
  • From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
  • Date: Fri, 8 Oct 1999 18:30:12 -0400
  • Organization: Universitaet Leipzig
  • References: <7tgr9i$shr@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Hi Beth,

I had no try the 16 bit TIFF support of Mathematica. 
But I assume it is not implemented. I can offer you
only my PNG bitmap package that *has* the feature to
import and export 16 bit PNG images. So if your original
program can write 16 bit PNG you  should donnload the
MathPNG package from

http://www.mpae.gwdg.de/~kuska/mcpng.html

and transform the PNGBitmap[] object to a normal matrix.

Hope that helps
  Jens

Beth Sornsin wrote:
> 
> I've been trying to import some 16-bit grayscale
> TIFF files into Mathematica 4.0 with no success. The files
> were created by a commercial imaging program --
> the progam says it produces TIFF v6.0.
> 
> I need to extract the numerical intensity values from
> the TIFF files in order to manipulate them in Mathematica,
> so it's not just a matter of displaying the graphics
> (which doesn't work either!). I've been able to import
> the 8-bit TIFF files just fine.
> 
> What I need is:
> (1) a way of directly importing the 16-bit TIFF's
>     into Mathematica 4.0, or
> (2) a quick method of converting the 16-bit TIFF's
>     into a format that Mathematica 4.0 will read.
> 
> TIA,
> 
> Beth Sornsin


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