System for multi- and hyperspectral imaging

Details System for multi- and hyperspectral imaging System for multi- and hyperspectral imaging

2005-10-25

2010-11-16

Chowdhury, Tarifur (Department: 2886)

Optics: measuring and testing

By shade or color

With color transmitting filter

C356S418000, C250S226000

Reexamination Certificate

active

07835002

ABSTRACT:
Arrangement for the production of instantaneous or non-instantaneous multi-band images, to be transformed into multi- or hyperspectral images, comprising light collecting means, an image sensor array, and an instantaneous colour separating means, positioned before the image sensor array, and uniform spectral filters, for restricting imaging to certain parts of the electromagnetic spectrum. A filter unit is positioned before the colour separating means in the optical path in, or close to, converged light. Each filter mosaic consists of a multitude of homogeneous filtering regions. The transmission curves of the filtering regions of a colour or spectral filter mosaic can be partly overlapping, in addition to overlap between these transmission curves and those belonging to the filtering regions of the colour separating means. The transmission curves of the colour or spectral filter mosaics and the colour separating means are suitably spread out in the intervals of a spectrum to be studied.

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patent: 7474402 (2009-01-01), Shannon et al.
patent: 2003/0198364 (2003-10-01), Yonover et al.

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