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We have developed omnidirectional-view 3D displays using multiple mini-projectors. Three types of synchronization structure are developed to ensure the accurate synchronization between the projectors and the rotating screen. Therefore, low-cost and low-speed display devices can be used to realize natural-looking three-dimensional (3D) scene with full color and high resolution.
Prior researches on binocular mismatches of stereoscopic images mostly focus on optical errors (magnification, shift, rotation, distortion) and photometric asymmetries (color, luminance, definition). In this paper, a type of binocular mismatches - effect of absence is investigated to find whether the partial loss of an object in either one of a stereo pair influences characteristics of human fusion...
A deflectometer with a synthetically generated reference circle is proposed for aspheric surface testing. Rotation and translation movements are combined to realize laser scanning and make the measurement of the aspheric surface in polar coordinates. It effectively improves the measurement precision for aspheric surfaces with large relative aperture. The measuring equipment is calibrated using a defocused...
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