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MathGroup Archive 1996

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Re: Importing gif, tiff... (etc) as an array

  • To: mathgroup at smc.vnet.net
  • Subject: [mg4878] Re: Importing gif, tiff... (etc) as an array
  • From: Mark Evans <evans at gte.net>
  • Date: Thu, 26 Sep 1996 22:42:29 -0400
  • Organization: None
  • Sender: owner-wri-mathgroup at wolfram.com

Adriano Barenco wrote:
> 
> Dear Newsgroup,
> 
> apologies if this is a faq. I would like to be able to import in MMA
> pictures. Ideally I am looking for a function that reads in a file and
> return an Array of integer. The size of the array should match the size
> of the picture and the integer could represent the levels of gray of the
> corresponding pixel.
> 
> Any help appreciated.
> 
> Adriano Barenco
> barenco at physics.ox.ac.uk


I have code that does this for Photoshop "raw" format.  I don't recall whether 
it includes the byte-swapping that is required for PC's (the code runs on a 
big-endian Mac).  If your picture depth is one byte per pixel, it doesn't 
matter.

Let me know by direct e-mail if you are interested.  I would also be curious 
to talk to you about your application, since I have done work in image 
processing.

Mark Evans
evans at gte.net


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