27 January 2006 Combining volumetric edge display and multiview display for expression of natural 3D images
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In the present paper the authors present a novel stereoscopic display method combining volumetric edge display technology and multiview display technology to realize presentation of natural 3D images where the viewers do not suffer from contradiction between binocular convergence and focal accommodation of the eyes, which causes eyestrain and sickness. We adopt volumetric display method only for edge drawing, while we adopt stereoscopic approach for flat areas of the image. Since focal accommodation of our eyes is affected only by the edge part of the image, natural focal accommodation can be induced if the edges of the 3D image are drawn on the proper depth. The conventional stereo-matching technique can give us robust depth values of the pixels which constitute noticeable edges. Also occlusion and gloss of the objects can be roughly expressed with the proposed method since we use stereoscopic approach for the flat area. We can attain a system where many users can view natural 3D objects at the consistent position and posture at the same time in this system. A simple optometric experiment using a refractometer suggests that the proposed method can give us 3-D images without contradiction between binocular convergence and focal accommodation.
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Ryota Yasui, Ryota Yasui, Isamu Matsuda, Isamu Matsuda, Hideki Kakeya, Hideki Kakeya, "Combining volumetric edge display and multiview display for expression of natural 3D images", Proc. SPIE 6055, Stereoscopic Displays and Virtual Reality Systems XIII, 60550Y (27 January 2006); doi: 10.1117/12.641551; https://doi.org/10.1117/12.641551

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