This paper describes a new method for superimposing virtual objects onto an image of a real scene with correct shading and shadows. Unlike the previously proposed methods, our method renders virtual objects based on a real illumination distribution. First, a radiance distribution in the real scene is determined from two omni-directional images of the scene. Then the measured radiance distribution is used for rendering virtual objects superimposed onto the scene image. The proposed method can synthesize a convincing image even for a complex radiance distribution where other methods often fial. We successfully tested the proposed method by using real images to demonstrate its effectiveness.
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