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A New 3-D Display Method Using 3-D Visual Illusion Produced by Overlapping Two Luminance Division Displays
Hideaki TAKADA Shiro SUYAMA Kenji NAKAZAWA
IEICE TRANSACTIONS on Electronics
Publication Date: 2005/03/01
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Electronic Displays
3-D display, 3-D visual illusion, depth perception, optical-density ratio, printing,
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We are developing a simple three-dimensional (3-D) display method that uses only two transparent images using luminance division displays without any extra equipment. This method can be applied to not only electronic displays but also the printed sheets. The method utilizes a 3-D visual illusion in which two ordinary images with many edges can be perceived as an apparent 3-D image with continuous depth between the two image planes, when two identical images are overlapped from the midpoint of the observer's eyes and their optical-density ratio is changed according to the desired image depths. We can use transparent printed sheets or transparent liquid crystal displays to display two overlapping transparent images using this 3-D display method. Subjective test results show that the perceived depths changed continuously as the optical-density ratio changed. Deviations of the perceived depths from the average for each observer were sufficiently small. The depths perceived by all six observers coincided well.