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本文提出了一款1280×720背照式堆叠时间对比度事件视觉传感器，像素尺寸4.86μm，支持1.066GEPS读出和可编程事件率控制，解决了传统帧式传感器在高速场景下数据冗余和延迟高的问题。
Thomas Finateu1, Atsumi Niwa2, Daniel Matolin1, Koya Tsuchimoto2, Andrea Mascheroni1, Etienne Reynaud 1, Pooria Mostafalu3, Frederick Brady3, Ludovic Chotard1, Florian LeGoff1, Hirotsugu Takahashi2, Hayato Wakabayashi2, Yusuke Oike2, Christoph Posch1 PROPHESEE, Paris, France Sony Semiconductor Solutions, Atsugi, Japan 3 Sony Electronics, Rochester, NY 1 2 Event-based (EB) vision sensors pixel-individually detect temporal contrast exceeding a preset relative threshold [1,2] to follow the temporal evolution of relative light changes (contrast detection, CD) and to define sampling points for frame-free pixel-level measurement of absolute intensity (exposure measurement, EM) [3,4]. EB sensors gain popularity in high-speed low-power machine vision applications thanks to temporal precision of recorded data, inherent suppression of temporal redundancy resulting in reduced post-processing cost, and wide intrascene dynamic range operation.
Pixels, 1.066GEPS Readout, Programmable Event-Rate, Controller and Compressive Data-Formatting Pipeline