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MathGroup Archive 2005

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Re: Beginner : how to convert .bmp or .jpeg for digital processing

  • To: mathgroup at smc.vnet.net
  • Subject: [mg57146] Re: Beginner : how to convert .bmp or .jpeg for digital processing
  • From: "Jens-Peer Kuska" <kuska at informatik.uni-leipzig.de>
  • Date: Thu, 19 May 2005 03:08:13 -0400 (EDT)
  • Organization: Uni Leipzig
  • References: <d6bi9d$moh$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Hi,

Import[] the image, the image has the pattern
Graphics[Raster[rasterData_,___],___]

and you need the "rasterData"
and

Import["somepicture,tif"][[1,1]]

or
Import["someotherpicture.bmp"] /. 
Graphics[Raster[bm_,___]___]:> bm

will do that.

Regards
  Jens

"Peter van Daalen" <vandaalen at chello.nl> schrieb 
im Newsbeitrag news:d6bi9d$moh$1 at smc.vnet.net...
>I want a simple way of processing grayscale and 
>.bmp and .jpeg bytes (
> for improving my digitized X-ray pics ).
> No advanced processing as per application " 
> Digital Image Processing "
> is needed for me.
>
> Being a Mathematica beginner, I failed in 
> finding the way to convert
> ..jpeg and .bmp formats into 2D and 3D numerical 
> ( 0-255) arrays.
>
> Thanks for any help.
> 



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