Systems and methods for dark current compensation in single photon avalanche diode imagery

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12267606
APP PUB NO 20240251182A1
SERIAL NO

18596359

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Abstract

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A system for dark current compensation in SPAD imagery is configurable to capture an image frame with the SPAD array and generate a temporally filtered image by performing a temporal filtering operation using the image frame and at least one preceding image frame. The at least one preceding image frame is captured by the SPAD array at a timepoint that temporally precedes a timepoint associated with the image frame. The system is also configurable to obtain a dark current image frame. The dark current image frame includes data indicating one or more SPAD pixels of the plurality of SPAD pixels that detect an avalanche event without detecting a corresponding photon. The system is also configurable to generate a dark current compensated image by performing a subtraction operation on the temporally filtered image or the image frame based on the dark current image frame.

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Patent Owner(s)

Patent OwnerAddress
MICROSOFT TECHNOLOGY LICENSING LLCONE MICROSOFT WAY REDMOND WA 98052

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bleyer, Michael Seattle, US 208 1077
Edmonds, Christopher Douglas Carnation, US 132 412
Price, Raymond Kirk Carnation, US 230 1219

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