| 摘要 |
Prediction image data corresponding to each of a plurality of different prediction methods is generated, an evaluation value of the prediction method is calculated, the prediction method corresponding to the evaluation value is evaluated on the basis of the calculated evaluation value, whether or not a corresponding prediction method is selected is determined on the basis of the evaluation result, and when the selection of the prediction method is determined, the decision of the selection based on the evaluation by an evaluating unit is not performed but the input image data is intra-picture encoded in accordance with the prediction method whose selection has been determined.
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