Dynamic Shadow Elimination for Multi-Projector Displays

  title={Dynamic Shadow Elimination for Multi-Projector Displays},
  author={Rahul Sukthankar and Tat-Jen Cham and Gita Reese Sukthankar},
A major problem with interactive displays based on frontprojection is that users cast undesirable shadows on the dis play surface. This situation is only partially-addressed b y mounting a single projector at an extreme angle and prewarping the projected image to undo keystoning distortions . This paper demonstrates that shadows can be muted by redundantly-illuminating the display surface using multi ple projectors, all mounted at different locations. However, t his technique alone does not… CONTINUE READING
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