SYSTEMS AND METHODS FOR DETECTION AND/OR CORRECTION OF PIXEL LUMINOSITY AND/OR CHROMINANCE RESPONSE VARIATION IN DISPLAYS
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United States of America Patent
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Issued Date -
Feb 22, 2018
app pub date -
Aug 18, 2016
filing date -
Aug 18, 2016
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Abstract
Methods and systems are disclosed for measuring pixel-by-pixel luminosity and/or chrominance variations on a display, encoding and/or storing the measurements as a set of global and/or pixel-by-pixel correction factors, and/or digitally manipulating imagery with the inverse effect as the measured variations, such that the appearance of visual artifacts caused by the variations is reduced. These methods and systems may be used, for example, as part of the production process for virtual reality headsets, as well as in other applications that make high-fidelity use of displays exhibiting such artifacts (e.g., cell phones, watches, augmented reality displays, and the like).
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