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. 2017 Jan 12;7:40703. doi: 10.1038/srep40703

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(A) DAVIS sensor. (B) Principle of ON and OFF spikes generation of DVS pixels, adapted from ref. 23. Top: the evolution of pixel’s voltage V_p proportional to the log intensity. Bottom: the corresponding generation of ON (voltage increases above change threshold) and OFF (voltage decreases) events, from which the evolution of V_p can be reconstructed.