image processing in C


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  1. #1
    Join Date
    Jul 2006
    Posts
    1

    image processing in C

    Hello..

    I am trying to do image processing using C. However, I am a complete novice at this. Can anyone please tell me about a C library(or a similar program etc) to read JPEG (or other) image files and store the data thus obtained. Please help me in any way you can.

    Regards.

  2. #2
    Join Date
    Dec 2003
    Posts
    3,366
    The JPEG code is free on their site or once was. Basically, you want to process a "standard" image as a RGB array (one long char array containing red followed by green followed by blue for each pixel in the image). There are reasons to use other resolutions and formats, but most of the basics can be done in this way.

    http://www.xfig.org/art3.html is a link that seems to have the jpeg group's (well the g in jpeg IS group but you know what I mean) C code. If you are on windows, you will have to find an un-tar (I recommend the free powerarchiver utility, version 6). You may have to search around to find a working version but its definately out there on the web.

  3. #3
    Join Date
    May 2006
    Posts
    176
    You can try the CxImage library, but it is in C++: http://www.codeproject.com/bitmap/cximage.asp.

  4. #4
    Join Date
    May 2006
    Posts
    48
    Search for Open Source Computer Vision Library on the internet. It is excellent!

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