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Point operations in Image processing

Posted on 2010-11-22
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What is Point operations in Image processing ?

I need simple explain to I can understand it.
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Question by:ty-exexch-ko
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by:Erk333
ID: 34191728
hmm....
"Point operations are defined as functions that are performed on each pixel of an image, independent of all other pixels in that image. Operations can be unary, meaning that a single image is modified, or they can be binary, which means that two images are combined in some manner. In certain situations, a point operation may be tertiary, implying that three images are used. Point operations are a very powerful class of image functions that can be cascaded one upon another to create interesting and useful results. "

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Erk333 earned 2000 total points
ID: 34191807
more simply....individual pixels in an image are modified based on their indiviual value.   an example is, modiying color threshold or balance.....if pixel A is a certain color value of red....then change that pixel to orange.
Photoshop filters are a good example....'inverting' the contrast, solarizing, etc...

hope that helps.
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by:ty-exexch-ko
ID: 34301973
I will check the all answers and come back again.
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