Image processing device and method, program, program recording medium, data structure, and data recording medium

摘要

An image processing apparatus for obtaining an image in accordance with a user's viewpoint. Original image data of an object, captured at arbitrary points on a curved surface, is stored. Considering a straight line connecting a viewpoint and a point on the object, an intersection of the straight line and the curved surface will be identified. When the object is viewed from the viewpoint, a pixel value corresponding to a light ray directed from the point on the object to the viewpoint coincides with a pixel value corresponding to a light ray directed from the point on the object to the intersection on the curved surface &OHgr;, and this pixel value of the intersection exists in the original image data. That is, the pixel value for the point on the object as viewed from the viewpoint can be obtained from original image data captured at the intersection on the curved surface.