| 摘要 |
Provided is an image decoding device which can eliminate block distortion and also can restrain decrease of a processing speed, even if an order of decoding blocks is changed. Such an image decoding device ( 100 ) has: a variable length decoding unit ( 111 ) or the like which sequentially decodes the blocks; a frame memory ( 102 ); a de-blocking filtering unit ( 119 ) which applies filtering processing to each decoded block; switches ( 103 and 104 ) in the first executing status, which stores the block into the frame memory ( 102 ) every time the block is decoded, and applies the filtering processing to the stored blocks; switches ( 103 and 104 ) in the second executing status, which applies the filtering processing to the block to be applied with the filtering processing every time the block is decoded; and a control unit ( 101 ) which switches between the first executing status and the second executing status of the switches ( 103 and 104 ).
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