Pixel based event detection for tracking, enemy attack indication, brightness suppression, and other applications

摘要

The method (500) includes generating an intensity value (216) based on illumination received by the pixels of the imaging system (100).The intensity value is generated by integrating the value (506) using the first counter 210 of the detector 200 during the first period.The method also includes the use of a second counter (212) of the detector to integrate a repeat value during a plurality of shorter second periods within a first period.The second counter has a bit resolution lower than the first counter.The method further includes resetting the second counter in each of the second periods.Further, the method includes (510) generating a pixel event indicator (218) in response to the second counter outputting the designated value.The method also may determine whether one or more adjacent detectors 200 generate one or more pixel event indicators (512), and one or more adjacent detectors may also generate an event indicator (226) when generating one or more pixel event indicators (514).