Rambus Conditional Reset Patent Application

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Rambus PCT application WO/2014/055391 "Conditional-Reset Multi-Bit Read-out Image Sensor" by Thomas Vogelsang, Michael Guidash, Song Xue, and James Harris talks about a version of the old idea to expand DR by resetting pixel each time its signal value crosses a threshold during the integration time: "If the pixel signal exceeds a sampling threshold, the photosensitive element is reset. During an image capture period, digital values associated with pixel signals that exceed a sampling threshold are accumulated into image data."

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