| 摘要 |
An inter prediction image generation unit (16) provided in a moving image decoding device (1) includes a weighting factor calculation unit (16b) for setting the value of a weighing factor (w2) so as to satisfy 0<|w2-0.5|<|tb/td-0.5|, where td is the inter-frame distance between a decoded image (P1) and a decoded image (P2), and tb is the distance between the decoded image (P1) and an image to be decoded (P).
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