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Autostereoscopy is any method of displaying stereoscopic images (adding binocular perception of 3D depth) without the use of special headgear, glasses, something that affects vision, or anything for eyes on the part of the viewer. Because headgear is not required, it is also called "glasses-free 3D" or "glassesless 3D".
MasterImage 3D's auto-stereoscopic display was used in one of the world's first glasses-free 3D mobile phones, the Hitachi Wooo, available in Japan in 2009. Another device featuring the MasterImage 3D Cell-Matrix 3D display, the Micromax A115 Canvas 3D, was released in April 2013.
Holographic display is a display technology that has the ability to provide all four eye mechanisms: binocular disparity, motion parallax, accommodation and convergence. The 3D objects can be viewed without wearing any special glasses and no visual fatigue will be caused to human eyes.
Zebra Imaging was a company that developed 3D digital holographic images, hologram imagers and interactive 3D displays for government [1] and commercial uses. The company offers digital holograms that are autostereoscopic (no glasses or goggles required), full-parallax (viewing of the image from viewpoints above and below as well as from side to side) and in monochrome or full-color.
Berthier's diagram: A-B=glass plate, with a-b=opaque lines, P=Picture, O=Eyes, c-n=blocked and allowed views (Le Cosmos 05-1896)The principle of the parallax barrier was independently invented by Auguste Berthier, who published an article on stereoscopic pictures including his new idea illustrated with a diagram and pictures with purposely exaggerated dimensions of the interlaced image strips ...
A holographic display is a type of 3D display that utilizes light diffraction to display a three-dimensional image to the viewer. Holographic displays are distinguished from other forms of 3D displays in that they do not require the viewer to wear any special glasses or use external equipment to be able to see the image, and do not cause a vergence-accommodation conflict.
3D television (3DTV) is television that conveys depth perception to the viewer by employing techniques such as stereoscopic display, multi-view display, 2D-plus-depth, or any other form of 3D display. Most modern 3D television sets use an active shutter 3D system or a polarized 3D system, and some are autostereoscopic without the need of ...
PTC, on the 48 acre [1] site of a former Jones and Laughlin Steel Mill, is a hub of advanced academic and corporate technology research. More than 1,000 people work on site which has become an attractive location for knowledge workers in Pittsburgh's new economy. The center was budgeted at $56.8 million ($127 million today) [1] during the ...