Bilateral filter with data model
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United States of America
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Apr 1, 2025
Grant Date -
Nov 30, 2023
app pub date -
Aug 14, 2023
filing date -
Aug 14, 2023
priority date (Note) -
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status (Latency Note)
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Abstract
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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International Classification(s)
- 2023 Application Filing Year
- G06T Class
- 13980 Applications Filed
- 3282 Patents Issued To-Date
- 23.48 % Issued To-Date
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- G06T Class
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