22 March 2005 A fixed-viewpoint volumetric stereoscopic 3D display using adaptive optics
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Proceedings Volume 5664, Stereoscopic Displays and Virtual Reality Systems XII; (2005); doi: 10.1117/12.585913
Event: Electronic Imaging 2005, 2005, San Jose, California, United States
Abstract
The design, implementation, and preliminary evaluation of a volumetric stereoscopic 3D display is discussed. Pixels rendered from different ranges of distance, or depth fields, in the 3D scene and are displayed field-sequentially. An adaptive optics element is used to modulate wavefront curvature for each field such that its optical distance matches its depth in the 3D scene. This allows the observer to accommodate (focus) to various depths in the scene in the same way as they do in under natural viewing conditions. The enabling of appropriate accommodation is particularly useful in stereoscopic 3D displays. These are prone to the problem of accommodation-convergence conflict, hypothesised as leading cause of visual discomfort. The system has been implemented in a binocular design, i.e. fixed-viewpoint rather than autostereoscopic, using commercially-available liquid crystal microdisplays and deformable mirror adaptive optics components.
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Fergal Shevlin, "A fixed-viewpoint volumetric stereoscopic 3D display using adaptive optics", Proc. SPIE 5664, Stereoscopic Displays and Virtual Reality Systems XII, (22 March 2005); doi: 10.1117/12.585913; https://doi.org/10.1117/12.585913
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KEYWORDS
Adaptive optics

3D displays

Deformable mirrors

Visualization

3D volumetric displays

Modulation

Prototyping

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