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US 2011/0085086 A1Published application
Method for adaptive noise reduction and apparatus thereof
OwnerMiaohong Shi, Amit Mittrainventors
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Abstract
An adaptive noise reduction method is for reducing chroma noise of pixels within a frame, wherein each pixel has a chroma value and a luma value. The adaptive noise reduction method includes: de-noising the chroma values of the pixels, without de-noising the luma values of the pixels.
Claims20
A noise reduction method for pixels of a frame, each pixel having a chroma value and a luma value, the method comprising:
- de-noising the chroma values of the pixels, without de-noising the luma values of the pixels.
A noise reduction apparatus for pixels of a frame, each pixel having a chroma value and a luma value, the apparatus comprising:
- a processing circuit, for determining a chroma noise reduction coefficient;
- and
- a noise reducing circuit, coupled to the processing circuit, for multiplying the chroma values of the pixels by the chroma noise reduction coefficient.
Dependencies are inferred from the claim text.