HackerImaging at a trillion frames per second | Ramesh Raskar
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Ramesh Raskar 利用多次反射光子的到达时间差来重建视线之外的物体。一次原始曝光很难直接辨认对象，多次采集和对光路的推断共同构成图像。
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And a tiny fraction of the photons will actually come back to the camera, but most interestingly, they will all arrive at a slightly different time slot.But then we will take a lot of such pictures, dozens of such pictures, put them together, and try to analyze the multiple bounces of light,