Non-uniformity correction algorithm based on image decomposition

He Ming; Wang Yadi; Wang Xinsai; Lu Jianfang; Xu Hualiang; Zhu Yuna

doi:10.3788/HPLPB20132503.0603

Volume 25 Issue 03

Mar. 2013

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Article Navigation > High Power Laser and Particle Beams > 2013 > 25(03): 603-606

Wang Songsong, Shu Ting, Yang HanWu. Dispersity of closure time of multiple switches on stacked Blumleins[J]. High Power Laser and Particle Beams, 2012, 24: 1995-1999. doi: 10.3788/HPLPB20122408.1995

Citation:

He Ming, Wang Yadi, Wang Xinsai, et al. Non-uniformity correction algorithm based on image decomposition[J]. High Power Laser and Particle Beams, 2013, 25: 603-606. doi: 10.3788/HPLPB20132503.0603

Wang Songsong, Shu Ting, Yang HanWu. Dispersity of closure time of multiple switches on stacked Blumleins[J]. High Power Laser and Particle Beams, 2012, 24: 1995-1999. doi: 10.3788/HPLPB20122408.1995

Citation:

He Ming, Wang Yadi, Wang Xinsai, et al. Non-uniformity correction algorithm based on image decomposition[J]. High Power Laser and Particle Beams, 2013, 25: 603-606. doi: 10.3788/HPLPB20132503.0603

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Non-uniformity correction algorithm based on image decomposition

doi: 10.3788/HPLPB20132503.0603

1.
Laboratory for Infrared and Imaging Navigation Technologies,Air Defense Forces Academy,Zhengzhou 450052,China;
2.
Institute of Information Science and Technology,Information Engineering University,Zhengzhou 450052,China

Received Date: 2012-06-20
Rev Recd Date: 2012-08-14
Publish Date: 2013-03-05

Abstract

Abstract

A nonuniformity correction algorithm based on image decomposition of nonuniformity in IRFPA was proposed, for the engineering application limitations of traditional adaptive nonuniformity for IRFPA. After analysis of the constructing factor of nonuniformity, the algorithm decomposes the high-frequency part of nonuniformity into bright pixels, row and column nonunniformity, and the low-frequency part of nonuniformity into gradient nonunifority, and then corrects every kind of nonunifority using a special algorithm, and completes the correction by combination. The algorithm was tested in a infrared imaging system and compared with other adaptive non-uniformity correction algorithms. According to the analysis of simulation results, this algorithm has the advantage of strong ability to eliminate the target fade-out, fast convergence speed and high precision.
- infrared focal plane arrays,
- nonunifority,
- image decomposition,
- correction algorithm

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