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More powerful contemporary computer hardware has enabled the development and exploration of a wide variety of techniques to depict spatial characteristics of computer-generated objects in three-dimensional (3D) space. Particularly, the role of stereoscopic viewing and the use of object motion to reflect the position and size of objects in 3D space have been(More)
More powerful contemporary computer hardware has enabled a wider variety of techniques to depict computer-generated objects in three dimensional (3D) space. The use of stereoscopic viewing and motion have been extensively studied. However, the effective use of computer-rendered object shadows to provide spatial information about the relative position and(More)
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