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Thread: Image Processing

  1. #1 Image Processing 
    New Member
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    Aug 2010
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    Hello,

    I learn to exam in IP, and I have one question:

    http://www.cis.rit.edu/class/simg782/( the question is in Final-Exam 3 q3)
    You have the job of designing an algorithm that
    will count the number of objects with holes and
    the number of objects without holes in images of
    the kind shown here. Assume that the images are
    binary with 0 corresponding to black and 1 corresponding
    to white. The imaging system is of low
    quality and produces images that are corrupted
    with salt and pepper noise.

    The objects do not overlap or touch, but may be
    close to each other in any direction. They may be
    of any shape or size. The algorithm should not be
    confused by the salt and pepper noise, and should
    not count noise pixels as objects.

    Write a pseudo-code description of your algorithm.
    You may also include a block diagram and
    other information to make it understandable to
    a programmer. State any assumptions you make,
    such as: "Objects must contain at least 50 pixels."

    thanks


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  3. #2  
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    Feb 2010
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    Depending on the actual specs -- sizes, spacings, and etc -- I could see using some kind of FFT to distinguish the spatial frequencies of noise, holes, and objects. But I don't do much image processing...


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  4. #3 Tag Connected Components 
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    Aug 2010
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    thanks
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  5. #4  
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    Aug 2010
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    Image-processing techniques involve treating the image, with the help of it two-dimensional signal and applying standard signal-processing techniques can be used.





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