Bilateral filter with data model

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12266083
APP PUB NO 20230385998A1
SERIAL NO

18233815

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Abstract

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A method of filtering a target pixel in an image forms, for a kernel of pixels comprising the target pixel and its neighbouring pixels, a data model to model pixel values within the kernel; calculates a weight for each pixel of the kernel comprising: (i) a geometric term dependent on a difference in position between that pixel and the target pixel; and (ii) a data term dependent on a difference between a pixel value of that pixel and its predicted pixel value according to the data model; and uses the calculated weights to form a filtered pixel value for the target pixel, e.g. by updating the data model with a weighted regression analysis technique using the calculated weights for the pixels of the kernel; and evaluating the updated data model at the target pixel position so as to form the filtered pixel value for the target pixel.

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Patent Owner(s)

  • IMAGINATION TECHNOLOGIES LIMITED

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lakemond, Ruan Hemel Hempstead, GB 13 38

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