| http://www.w3.org/ns/prov#value | - As will be apparent from the below description, when the user moves the viewpoint back and forth, up and down, or left and right, and, as a result, even if the viewpoint is located at a place other than the viewpoints where the images stored in the multi-viewpoint image database 3 were taken, the user can observe an image of the object reflecting the movement of the viewpoint through the display s
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