barcode decoding from an image

Discussion in 'C Programming' started by Krishna Sagiraju, Jun 12, 2004.

  1. Hai,
    I gotta decode a barcode from an image ( ppm, bmp, or jpg). I realize the
    first milestone would be to recognize a barcode with in the image:

    I took a small window (say 80X80 pixels) and if a barcode is present in
    this window all pixels horizontally would have the same values. Well as you
    can see this is not perfect. I'm right now working with PPM image.

    and then to decode the barcode itself (which i've no clue how to do).

    I've searched the for a long time but could not find any help regarding
    barcode decoding. I would appritiate if any of you can provide me any help
    at all. I would also appriciate if you could give me a better algorithm for
    detecting a barcode.

    Thanks in advance.

    Krishna
    Krishna Sagiraju, Jun 12, 2004
    #1
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  2. Krishna Sagiraju

    Malcolm Guest

    "Krishna Sagiraju" <> wrote in message
    > I gotta decode a barcode from an image ( ppm, bmp, or jpg). I > realize

    the first milestone would be to recognize a barcode with
    > in the image:
    >

    Try comp.programming or comp.graphics.
    The fact that you are implementing your algorithm in C doesn't make it
    topical on a language group.
    Malcolm, Jun 12, 2004
    #2
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