An improved nonuniformity correction algorithm for infrared focal plane arrays which is easy to implement

An improved nonuniformity correction algorithm is presented which is suitable for infrared focal plane arrays with a nonlinearity of the photoresponse characteristic. Compared to older algorithms, it is simpler, faster and easier to implement by software or hardware. At the same time, it is shown th...

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Bibliographic Details
Published in:Infrared physics & technology 1998-02, Vol.39 (1), p.15-21
Main Authors: Wang, Ruizhong, Chen, Peiyi, Tsien, Peihsin
Format: Article
Language:English
Subjects:
Applied sciences
Circuit properties
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Infrared focal plane array
Integrated optics. Optical fibers and wave guides
Nonuniformity correction
Optical and optoelectronic circuits
Waveguides, couplers, and arrays
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Summary:An improved nonuniformity correction algorithm is presented which is suitable for infrared focal plane arrays with a nonlinearity of the photoresponse characteristic. Compared to older algorithms, it is simpler, faster and easier to implement by software or hardware. At the same time, it is shown that the correction precision and the correction effect of the new algorithm are substantially the same as that of the old one through theoretical analysis and comparisons of simulation results.
ISSN:1350-4495
1879-0275
DOI:10.1016/S1350-4495(97)00034-0