Image processing method and image processing apparatus
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United States of America Patent
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Feb 6, 2024
Grant Date -
Dec 29, 2022
app pub date -
Aug 26, 2022
filing date -
Nov 25, 2011
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Abstract
An image processing method of performing filtering on image blocks using a plurality of deblocking filters having different filter strengths includes: a first parameter calculating step of calculating a first parameter indicating a boundary strength; a second parameter calculating step of calculating a second parameter indicating a limit value for each of the deblocking filters, based on the first parameter and a quantization parameter; and a selecting step of selecting a deblocking filter to be used in the filtering from among the deblocking filters, using one or more threshold values which are determined based on the second parameter.
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