Speckle reduction with image dithering

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United States of America Patent

PATENT NO 10880529
APP PUB NO 20200326655A1
SERIAL NO

16379439

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Abstract

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A system includes a laser, a spatial light modulator with a display, and a controller. The controller includes processing circuitry configured to control the display of the spatial light modulator to reduce image speckle of a projected image responsive to the laser based on a time sequential update of a plurality of phase holograms generated responsive to an input frame received at the controller.

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Patent Owner(s)

Patent OwnerAddress
GM GLOBAL TECHNOLOGY OPERATIONS LLCP O BOX 300 MAIL CODE 482-C23-B21 DETROIT MI 48265-3000

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chang, Kai-Han Madison Heights, US 91 139
Seder, Thomas A Fraser, US 207 6343

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