Dynamic Shadow Elimination for Multi-Projector Displays

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Uploaded by on Nov 26, 2006

A major problem with interactive displays based on front-projection is that users cast undesirable shadows aon the display surface. This situation is only partially-addressed by mounting a single projector at an extreme angle and pre-warping the projected image to undo keystoning distortions. This video demonstrates that shadows can be muted by redundantly illuminating the display surface using multiple projectors, all mounted at different locations and with the aid of a low resolution camera.

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Howto & Style

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Standard YouTube License

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  • Interesting but looks tricky to implement in the field with random multiple users.

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