Evaluation of the Fusional Limit between the Front and Rear Images in Depth-Fused 3-D Visual Illusion

Hideaki TAKADA  Shiro SUYAMA  Munekazu DATE  

IEICE TRANSACTIONS on Electronics   Vol.E89-C   No.3   pp.429-433
Publication Date: 2006/03/01
Online ISSN: 1745-1353
DOI: 10.1093/ietele/e89-c.3.429
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Electronic Displays
3-D display,  3-D visual illusion,  luminance ratio,  depth,  fusional limit,  

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We clarify the effective range of distance between the front and rear images of the depth-fused 3-D (DFD) visual illusion. The DFD visual illusion is perceived when two images with many edges in the front and rear frontal-parallel planes at different depths are overlapped from the viewpoint of an observer. We evaluated how the fusion of the DFD visual illusion depended on the difference in distance between the front and rear images when the distance between the two images was changed. Subjective tests clarified the cases where DFD can be applied.