Image coding/decoding method and apparatus therefor
AssigneeLG Electronics Inc.
InventorsHyeongmoon JANG, Junghak NAM
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Abstract
The present invention discloses an image coding/decoding method and an apparatus for the method. More specifically, a method for filtering an image by a decoding apparatus comprises deriving boundaries of a block divided into quad-tree plus binary-tree structure; determining an edge among boundaries of the block to which de-blocking filtering is applied; determining a type of de-blocking filtering to be applied to the edge; and performing de-blocking filtering to a picture sample restored according to the de-blocking filtering type, wherein the edge or the type of de-blocking filtering is determined by considering width or height of the block.
Claims15
A method for filtering an image by a decoding apparatus, the method comprising:
- deriving boundaries of a block divided into quad-tree plus binary-tree structure;
- determining an edge among boundaries of the block to which de-blocking filtering is applied;
- determining a type of de-blocking filtering to be applied to the edge;
- and
- performing de-blocking filtering to a reconstructed picture sample according to the type of de-blocking filtering,
- wherein the edge or the type of de-blocking filtering is determined by considering width or height of the block.
A decoding apparatus for filtering an image, the apparatus comprising:
- a block boundary deriving unit for deriving boundaries of a block divided into quad-tree plus binary-tree structure;
- an edge determining unit for determining an edge among boundaries of the block to which de-blocking filtering is applied;
- a filtering type determining unit for determining a type of de-blocking filtering to be applied to the edge;
- and
- a filtering unit for performing de-blocking filtering to a picture sample restored according to the de-blocking filtering type,
- wherein the edge or the type of de-blocking filtering is determined by considering width or height of the block.
Dependencies are inferred from the claim text.