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Definition of "image processing" |
In imaging science, image processing is any form of signal processing for which the input is an image, such as a photograph or video frame, the output of image processing may be either an image or a set of characteristics or parameters related to the image. Most image-processing techniques involve treating the image as a two-dimensional signal and applying standard signal-processing techniques to it.Image processing usually refers to digital image processing, but optical and analog image processing also are possible. This article is about general techniques that apply to all of them. The acquisition of images (producing the input image in the first place) is referred to as imaging. / the manipulation of digital images on a computer, usually done automatically (solely by the computer) but also semi-automatically (the computer with the aid of a person). The goal of the processing may include compressing the image, making it look better, extracting information or measurements from it or getting rid of degradations. |
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