| FlowScan
interface |
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| • | Use of
tangible interface [Ullmer 97] |
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| + Easy to set
up and control |
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| + No
questions asked |
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| - | Somewhat
imprecise |
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| • | Implementation |
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| • | 3.3 Megapixel
camera in the ceiling (Ricoh RDC 7) |
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| • | Use simple
retro-reflective crop marks |
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| • | Can interact
with the proxy while the image is processed |
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