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Retinal-inspired method and system for improved detection

United States Patent

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September 8, 2020
View the Complete Patent at the US Patent & Trademark Office
The present disclosure provides a method and device for filtering sensor data. Signals from an array of sensor pixels are received and checked for changes in pixel values. Motion is detected based on the changes in pixel values, and motion output signals are transmitted to a processing station. If the sum of correlated changes in pixel values across a predetermined field of view exceeds a predetermined value, indicating sensor jitter, the motion output signals are suppressed. If a sum of motion values within a defined subsection of the field of view exceeds a predetermined threshold, indicating the presence of a large object of no interest, the motion output signals are suppressed for that subsection.
16/ 059,746
August 9, 2018
A61N 1/36 (20060101)G06N 3/04 (20060101)G06K 9/60 (20060101)A61F 2/14 (20060101)
STATEMENT OF GOVERNMENT INTEREST This invention was made with United States Government support under Contract No. DE-NA0003525 between National Technology & Engineering Solutions of Sandia, LLC and the United States Department of Energy. The United States Government has certain rights in this invention.