Methods and apparatus for displaying images using holograms
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United States of America Patent
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Oct 23, 2012
Grant Date -
Sep 3, 2009
app pub date -
Sep 15, 2006
filing date -
Sep 16, 2005
priority date (Note) -
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Abstract
The invention relates to method, computer program code and signal processing/image display systems for displaying one or more images using holographic techniques. We describe a method of generating data for displaying an image defined by displayed image data using a plurality of holographically generated temporal subframes, the temporal subframes being displayed sequentially in time such that they are perceived as a single noise-reduced image. The method includes generating from the displayed image data holographic data for each subframe of said set of subframes such that successive replay of holograms defined by said holographic data for said subframes gives the appearance of said image, and wherein the method further includes, when generating said holographic data for a said subframe, compensating for noise in said displayed image arising from one or more previous subframes of said sequence of holographically generated subframes.
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