Pixel-based event detection for tracking, hostile fire indication, glare suppression, and other applications

摘要

The method 500 includes generating an intensity value 216 based on the received illuminance at the pixels of the imaging system 100. The intensity value is generated by integrating 506 values using the first counter 210 of the detector 200 during a first period of time. The method also includes recursively integrating 508 values for a second, smaller time period within the first time period using the second counter 212 of the detector. The second counter has a lower bit resolution than the first counter. The method further includes resetting the second counter for each of the second time periods. Further, the method includes generating 510 a pixel event indicator 218 in response to the second counter outputting a specific value. The method also includes determining 512 whether one or more neighbor detectors 200 have also generated one or more pixel event indicators; And generating 514 an event indicator 226 if the one or more neighbor detectors have also generated the one or more pixel event indicators.