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Re: importing images

• To: mathgroup at smc.vnet.net
• Subject: [mg8514] Re: importing images
• From: Paul Abbott <paul at physics.uwa.edu.au>
• Date: Thu, 4 Sep 1997 02:20:04 -0400
• Organization: University of Western Australia
• Sender: owner-wri-mathgroup at wolfram.com

Al Arduengo wrote:

>         I am trying to utilize Mma 3.0 in my Image Processing course and have
> run into a bit of a snag. 

There are some good Image Processing courses out there: have a look at 

	http://eeunix.ee.usm.maine.edu/ee/faculty/mjkcc/docs/ele489/489.html

> It seems that it can DISPLAY many forms of
> graphics, but I wish to be able to, say, import a 8-bit grayscale *.gif
> file into mma as a matrix of grayscale values. The same would apply to
> jpeg, tiff, and bmp files as well. Has anyone done this or is there a
> kind soul who could shed some light on this subject for me? 

One possibility is to simply paste the graphic into Mathematica and then
do a Convert To InputForm.  This will digitize the image into a
RasterArray.

Cheers,
	Paul 


____________________________________________________________________ 
Paul Abbott                                   Phone: +61-8-9380-2734
Department of Physics                           Fax: +61-8-9380-1014
The University of Western Australia           
Nedlands WA  6907                     mailto:paul at physics.uwa.edu.au 
AUSTRALIA                              http://www.pd.uwa.edu.au/Paul

            God IS a weakly left-handed dice player
____________________________________________________________________