Coded apertures for efficient pyroelectric motion tracking | Zendy

Unnikrishnan Gopinathan | Zendy; David J. Brady | Zendy; Nikos Pitsianis | Zendy

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Coded apertures for efficient pyroelectric motion tracking

Author(s) -

Unnikrishnan Gopinathan,

David J. Brady,

Nikos Pitsianis

Publication year - 2003

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.11.002142

Subject(s) - optics , tracking (education) , detector , pyroelectricity , visibility , position (finance) , logarithm , physics , retroreflector , computer science , optoelectronics , mathematics , laser , psychology , mathematical analysis , pedagogy , finance , dielectric , economics , ferroelectricity

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.

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