Learning filters for enhancing the quality of block coded...

Details Learning filters for enhancing the quality of block coded... Learning filters for enhancing the quality of block coded...

H - Electricity

04

N

H04N 7/50 (2006.01) G06F 15/18 (2006.01) G06T 9/00 (2006.01)

Patent

CA 2638465

The invention relates to a method and an apparatus for reducing blocking artifacts in block-wise coding of still and video images. A learning filter generator is provided at the image encoder for generating a set of filters and associated filtering rules for filtering cross- boundary image patterns based on representative original and decoded training images using a supervised machine learning algorithm. An adaptive filter at the image decoder receives the generated filters and associated filtering rules and performs locally adaptive filtering in accordance with the received filtering rules.

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