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In general, image processing is any form of signal processing for which the input is an image, such as a photograph or video frame.

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In image processing we may use derivatives to help us detect the edges. While at mean time, this operation would also make the data noisier. But why do we have this effect? My intuition is that if we …
asked Mar 5 '18 by huangzonghao
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We usually use Laplacian of Gaussian as the filter for edge detection or blob detection. But the filter itself is essentially a second order Gaussian. So why do we call it Laplacian of Gaussian? Is th …
asked Feb 28 '18 by huangzonghao
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Someone made an outstanding video explaining the effects of different parameters of Gabor filter. You can find the video here. Hope this helps.
answered Mar 15 '18 by huangzonghao