Image de-noising method
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United States of America Patent
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Aug 1, 2017
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app pub date -
Nov 12, 2014
filing date -
Nov 18, 2013
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Abstract
A multi-scale detail representation of an image is computed as a weighted sum of translation difference images. A denoising operator is applied to the translation difference images so that translation differences are modified as a function of an estimated local signal-to-noise ratio and at least one denoised center difference image at a specific scale is computed by combining denoised translation difference images at scale s or a finer scale. A denoised image is computed by applying a reconstruction algorithm to the denoised center difference images.
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