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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 ...
The resolution of the retinal display only (not the camera) is claimed by the manufacturers to be nominally equivalent to 720P. [ 10 ] Although "not a medical device" it is hoped that the retinal projection viewer may be of particular value to some visually impaired users, and the adaptation was heavily subsidised by Sony.
The method of creating autostereoscopic flat panel video displays using lenses was mainly developed in 1985 by Reinhard Boerner at the Heinrich Hertz Institute (HHI) in Berlin. [6] Prototypes of single-viewer displays were already being presented in the 1990s, by Sega AM3 (Floating Image System) [7] and the HHI. Nowadays, this technology has ...
A polarized 3D system uses polarization glasses to create the illusion of three-dimensional images by restricting the light that reaches each eye (an example of stereoscopy). To present stereoscopic images and films, two images are projected superimposed onto the same screen or display through different polarizing filters .
The camera needs to be tilted to different angle [27] for most of the operative procedures; Tele-consultation is possible—depending on the available bandwidth—during operative procedures. [28] A stabilizer should be added to the video function to prevent choppy transmission when a surgeon looks to screens or colleagues.
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Field of view is the area of the inspection captured on the camera’s imager. The size of the field of view and the size of the camera’s imager directly affect the image resolution (one determining factor in accuracy). Working distance is the distance between the back of the lens and the target object.
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