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Abstract

When pseudo motion representing synthesized positional deviation in a view-synthesized image is compensated for, pseudo motion-compensated prediction of fractional pixel precision for the view-synthesized image is realized. An image encoding/decoding method which performs encoding/decoding while predicting an image between views using a reference image for a view different from that of a processing target image and a depth map for the processing target image when a multi-view image including images of a plurality of different views is encoded/decoded includes: setting a pseudo motion vector indicating a region on a depth map for a processing target region obtained by dividing the processing target image; setting the region on the depth map indicated by the pseudo motion vector as a depth region; generating depth information serving as a processing target region depth for a pixel of an integer or fractional position within the depth region corresponding to a pixel of an integer pixel position within the processing target region using depth information of an integer pixel position of the depth map; and generating an inter-view predicted image for the processing target region using the processing target region depth and the reference image.

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