Coded aperture projection | Zendy

Max Grosse | Zendy; Gordon Wetzstein | Zendy; Anselm Grundhöfer | Zendy; Oliver Bimber | Zendy

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Coded aperture projection

Author(s) -

Max Grosse,

Gordon Wetzstein,

Anselm Grundhöfer,

Oliver Bimber

Publication year - 2010

Publication title -

acm transactions on graphics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.153

H-Index - 218

eISSN - 1557-7368

pISSN - 0730-0301

DOI - 10.1145/1805964.1805966

Subject(s) - projector , computer vision , computer science , artificial intelligence , depth of field , computer graphics (images) , coding (social sciences) , projection (relational algebra) , mathematics , algorithm , statistics

Coding a projector's aperture plane with adaptive patterns together with inverse filtering allow the depth-of-field of projected imagery to be increased. We present two prototypes and corresponding algorithms for static and programmable apertures. We also explain how these patterns can be computed at interactive rates, by taking into account the image content and limitations of the human visual system. Applications such as projector defocus compensation, high-quality projector depixelation, and increased temporal contrast of projected video sequences can be supported. Coded apertures are a step towards next-generation auto-iris projector lenses.

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