Imaging Spectroscopy Using Tunable Filters: A …

Imaging Spectroscopy Using Tunable Filters: A ReviewNahum GataOpto-Knowledge Systems, Inc. (OKSI), Torrance, spin-offs from NASA s multi- and hyperspectral Imaging remote sensing technology developed for Earthresources monitoring, are creative techniques that combine and integrate spectral with spatial methods. Suchtechniques are finding use in medicine, agriculture, manufacturing, forensics, and an ever expanding list of otherapplications. Many such applications are easier to implement Using a sensor design different from the pushbroom orwhiskbroom air- or space-borne counterparts. This need is met by Using a variety of electronically Tunable filters thatare mounted in front of a monochrome camera to produce a stack of images at a sequence of wavelengths, formingthe familiar image cube . The combined spectral/spatial analysis offered by such image cubes takes advantage oftools borrowed from spatial image processing, chemometrics and specifically Spectroscopy , and new custom exploi-tation tools developed specifically for these applications.

Imaging Spectroscopy Using Tunable Filters: A Review Nahum Gata Opto-Knowledge Systems, Inc. (OKSI), Torrance, CA. ABSTRACT Major spin-offs from NASA’s multi- and hyperspectral imaging remote sensing technology developed for Earth

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