Projection apparatus, method of controlling projection apparatus, and projection system
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United States of America Patent
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Dec 4, 2018
Grant Date -
Oct 26, 2017
app pub date -
Apr 19, 2017
filing date -
Apr 25, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
Each projection apparatus in a multi-projection system has a liquid crystal panel, a driving circuit configured to perform PWM control of the liquid crystal panel, and a projection image processing unit configured to perform edge blending processing to perform compositing display by each projection apparatus and processing to change gain properties of the edge blending processing by each projection apparatus. Synchronization of each projection apparatus is maintained by a synchronization circuit. Therefore, a sum of image gain in a region of image compositing by each projection apparatus is 1, and the position and image gain properties of the compositing region are changed for each frame, so the position of image deterioration changes for each frame.
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