Dual Photography
mm648230 · 4 则 HN 推荐
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试着问：这里讲的是什么意思？
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The SIGGRAPH 2005 demo of dual photography from Stanford, which swaps the roles of projector and camera to render a scene from the light's point of view. It includes the reveal of a hidden playing card.
HN 推荐的原因： Cited whenever threads discuss recovering hidden images or non-line-of-sight imaging, as a clear demonstration of light transport.
“Skip ahead to 4:19 for a succinct demo.” 阅读 HN 讨论 ↗