Digital event coding for operating event-based image sensors
A method for operating an event-based image sensor, the image sensor comprising a plurality of pixel circuits arranged to form an array of pixels, each pixel being arranged at a position defined by an address defined by pixel coordinates in the array, wherein each pixel circuit is configured for gen...
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| creator | MASCARONI ANDREA PERRIN PATRICE AN TING SCHOEN GUILLAUME DOISNEAU, PIERRE ANTOINE NAGULESE VARANG, TURAZAN |
| description | A method for operating an event-based image sensor, the image sensor comprising a plurality of pixel circuits arranged to form an array of pixels, each pixel being arranged at a position defined by an address defined by pixel coordinates in the array, wherein each pixel circuit is configured for generating an event each time a change in light intensity is detected, the event being characterized by a polarity reflecting a direction of the change, and wherein the method comprises:-performing a row readout of a group of adjacent pixels of a row of pixels, the row readout comprises generating, for each group, at least one packet representing the occurrence of events of the same polarity in the group, the packets characterized as each packet is characterized by a polarity and a group address,-sending the packets to a processing pipeline in which the packets are successively processed involving a group address-based memory access, wherein two packets sharing the same group address have different polarities and are |
| format | Patent |
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| language | chi ; eng |
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| subjects | CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS |
| title | Digital event coding for operating event-based image sensors |
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