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State-of-the-art image sensors suffer from significant limitations imposed by their very principle of operation. These sensors acquire the visual information as a series of “snapshot” images, recorded at discrete points in time. Visual information gets time quantized at a predetermined frame rate which has no relation to the dynamics present in the scene. Furthermore, each recorded frame conveys the...
A QVGA array of autonomous, event-based temporal contrast sensitive pixels is at the basis of an asynchronous, time-based CMOS dynamic vision and image sensor (ATIS). In this sensor, exposure measurements are initiated and carried out locally by individual pixels upon detection of temporal contrast in their field-of-view. The change detection pixel circuits respond with low latency to temporal contrast...
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