CPC H04N 25/50 (2023.01) [H04N 25/771 (2023.01); H04N 25/772 (2023.01)] | 18 Claims |
11. An optical sensing method for an optical sensor, comprising:
detecting received light and comparing resulting signals to a ramp voltage in pixels of the optical sensor;
storing current counts that are related to the ramp voltage;
storing previous counts;
comparing a difference between the current counts and the previous counts to at least one event threshold; and
comparing a difference between the current counts and the previous counts to an ON event threshold and an OFF event threshold.
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