Mosaic multispectral focal plane array cameras

Rajeev Ramanath; Wesley E. Snyder; Hairong Qi

doi:10.1117/12.543418

30 August 2004 Mosaic multispectral focal plane array cameras

Rajeev Ramanath, Wesley E. Snyder, Hairong Qi

Proceedings Volume 5406, Infrared Technology and Applications XXX; (2004) https://doi.org/10.1117/12.543418
Event: Defense and Security, 2004, Orlando, Florida, United States

Abstract

Mosaic technology has gained considerable popularity and has become mainstay in commercial digital color cameras. In a mosaicked sensor, each pixel detector is covered with a wavelength-specific optical filter. Since only one spectral band is sensed at each pixel, the other bands must be estimated from neighboring pixels. In the commercial digital color cameras, sophisticated algorithms have been developed to perform this estimation, based upon properties of the human visual system to minimize artifacts. To expand this technology for use in military applications such as missiles and smart ordnance, various modifications need to be made. Two of the bigger problems are the choice of spectral sensitivities for the filters and the pattern used in the mosaic. We propose a novel seven-band setup for multispectral imaging systems along with a choice of spectral sensitivities that "best" distinguish target from clutter in an information theoretic sense. These ideas are illustrated with hyperspectral visible/near-infrared images taken by the AVIRIS sensor. Following the image-capture stage, the display of these multispectral images on a three-channel display is also addressed.

Citation Download Citation

Rajeev Ramanath, Wesley E. Snyder, and Hairong Qi "Mosaic multispectral focal plane array cameras", Proc. SPIE 5406, Infrared Technology and Applications XXX, (30 August 2004); https://doi.org/10.1117/12.543418

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available