| CPC H04N 19/196 (2014.11) [H04N 19/159 (2014.11); H04N 19/176 (2014.11)] | 4 Claims |
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1. An image encoding method for encoding an image, comprising:
a predicted image generation step of generating a predicted image by a plurality of types of predicted image generating processing, the plurality of types of predicted image generating processing include an intra prediction, an inter prediction, and a synthesis prediction, wherein the synthesis prediction performs synthesis processing of synthesizing a predicted image of an inter prediction and a predicted image of an intra prediction to an encoding-target block; and
an encoding step of encoding a difference between the predicted image generated in the predicted image generation step and a pixel value of an image of the encoding-target block, wherein
types of the predictions that can be used in the predicted image generation step include an angular prediction, a DC prediction, and a planar prediction,
the synthesizing processing includes weighting processing performed to the predicted image of the inter prediction and the predicted image of the intra prediction, and
processing states of the weighting processing includes a state of setting the smallest weighting for the predicted image of the intra prediction while the type of the intra prediction is the planar prediction.
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