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Results tagged with noise
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user 1240
In signal processing noise can be considered random unwanted data without meaning.
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How can I measure noise and sharpness of an image?
One approach to estimating the noise level is simply to measure the standard deviation of the grey-level histogram of continuous regions of the image (those regions close to uniformity in the scene). … Whilst some variability is expected in any image, a large component of this distribution will be due to image noise. …
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