Correction method for stripe nonuniformity

被引：40

作者：

Qian, Weixian ^{[1
]}

Chen, Qian ^{[1
]}

Gu, Guohua ^{[1
]}

Guan, Zhiqiang ^{[1
]}

机构：

[1] Nanjing Univ Sci & Technol, Lab 440, Nanjing, Peoples R China

来源：

APPLIED OPTICS | 2010年 / 49卷 / 10期

关键词：

PERFORMANCE;

D O I：

10.1364/AO.49.001764

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Stripe nonuniformity is very typical in line infrared focal plane arrays (IR-FPA) and uncooled staring IR-FPA. In this paper, the mechanism of the stripe nonuniformity is analyzed, and the gray-scale co-occurrence matrix theory and optimization theory are studied. Through these efforts, the stripe nonuniformity correction problem is translated into the optimization problem. The goal of the optimization is to find the minimal energy of the image's line gradient. After solving the constrained non-linear optimization equation, the parameters of the stripe nonuniformity correction are obtained and the stripe nonuniformity correction is achieved. The experiments indicate that this algorithm is effective and efficient. (C) 2010 Optical Society of America

引用

页码：1764 / 1773

页数：10

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