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Coded apertures for efficient pyroelectric motion tracking
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DOI：10.1364/OE.11.002142.png)
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摘要
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Coded apertures may be designed to modulate the visibility between source and measurement spaces such that the position of a source among N resolution cells may be discriminated using logarithm of N measurements. We use coded apertures as reference structures in a pyroelectric motion tracking system. This sensor system is capable of detecting source motion in one of the 15 cells uniformly distributed over a 1.6m x 1.6m domain using 4 pyroelectric detectors. (C) 2003 Optical Society of America.
Keyword:
IMAGING-SYSTEMS
