what is mean by Gaussian filtering? how it works? how it is useful in edge detection?
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How Gaussian filtering works in edge detection
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Image Analyst
2015년 1월 17일
A Gaussian filter blurs the image, so it can be like a "background" image. If you subtract that from the original image or one that is not blurred as much, it gives edges. This is called a Difference of Gaussian filter, or DOG filter. I've attached a demo script, below the image.
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