Method and apparatus for pre-prediction filtering for use in block-prediction techniques
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United States of America Patent
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Jun 4, 2019
Grant Date -
Feb 2, 2017
app pub date -
Oct 11, 2016
filing date -
May 23, 2014
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Abstract
A prediction technique, which use pre-prediction filtering techniques to reduce noise influence on the predicted samples of a block to be reconstructed, is presented. The prediction techniques suggested herein can be for example used in an encoding apparatus or a decoding apparatus. The reference samples that are used to reconstruct a given block of pixels of an image are categorized or segmented into subsets. The subsets may be processed differently, e.g. the subsets may be subjected to distinct filters. Examples of such filters include smoothing filters and/or deblocking filters, which are applied to the respective subsets of the reference samples.
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