| 摘要 |
A segment allocation determination unit 102 of an image decoding device 1 determines an allocation of segments, in accordance with processing capabilities of the image decoding units 106a to 106d, so that the processing times of the image decoding units are equal. When a first error detection unit 104 detects an error, a segment allocation determination unit 102 performs control so that the segment including the error is allocated to an image decoding unit to which a predicted reference image of the segment is allocated. When any of second error detection units 109a to 109d detect an error, the segment allocation determination unit 102 controls allocation of the next series of segments with consideration to a bit amount skipped due to the error. This enables providing an image decoding device that can efficiently realize decoding with a plurality of image decoding units even when an error is detected.
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