| 摘要 |
An image encoding method according to the present invention calculates first difference information of an encoding target block and second difference information of an adjacent block, calculates a difference between the first difference information and the second difference information, and uses an intra mode only for blocks where a residual image noise occurs by selecting the intra mode when the difference is larger than a predetermined threshold, and selecting an inter mode when the difference is smaller than the predetermined threshold.
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