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MathGroup Archive 2005

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Re: Beginner : how to convert .bmp or .jpeg fordigital processing

  • To: mathgroup at
  • Subject: [mg57141] Re: [mg57129] Beginner : how to convert .bmp or .jpeg fordigital processing
  • From: "David Annetts" <davidannetts at>
  • Date: Thu, 19 May 2005 03:08:08 -0400 (EDT)
  • Sender: owner-wri-mathgroup at

Hi Peter 

Most things you need to know to get you started on this topic are in The
Book, Section 2.10.20.  

The best advice for a beginner is to start at the beginning of The Book,
working through all the examples until you reach the end.  Then start on the

Yes, it is thick, and parts of it may well be difficult, especially for
non-native English speakers.  Failing that, at least make an attempt at
Googling for the answer.



-----Original Message-----
From: Peter van Daalen [mailto:vandaalen at] 
To: mathgroup at
Subject: [mg57141] [mg57129] Beginner : how to convert .bmp or .jpeg fordigital

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.

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