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多点标定的自适应非均匀性校正方法
Alternative TitleAdaptive non-uniformity correction algorithm based on multi-point correction
张红辉; 罗海波; 余新荣; 丁庆海
Department光电信息技术研究室
Source Publication红外与激光工程
ISSN1007-2276
2014
Volume43Issue:11Pages:3651-3654
Indexed ByEI ; CSCD
EI Accession number20150300435906
CSCD IDCSCD:5295613
Contribution Rank1
Funding Organization国家自然科学基金(51005229)
Keyword红外图像非均匀校正 自适应调节 残余非均匀性
Abstract为了实现对红外焦平面阵列(IRFPA)获取图像的实时高精度非均匀校正,提出了一种基于多点标定的自适应非均匀性校正算法,该算法假定在环境温度变化时,校正后输出图像数据的差值与已标定的数据存在线性关系,对其进行分块并配对,采用最小二乘法,以平方和最小为准则,自适应修正校正系数,以达到实时调整非均匀校正的校正系数,对环境温度变化引起的非均匀性进行补偿的目的。实验结果表明,该方法既提高了非均匀性校正的精度又能满足实时性要求,可广泛应用于光电火控、红外成像制导等对实时性和成像质量均有较高要求的应用场合。
Other AbstractIn order to realize the IRFPA non-uniformity (NU) correction with fast convergence speed and high precision, a new method to correct the non-uniformity in infrared images was introduced. The new algorithm took into account a linear equation between the excusion and corrected data along with the variation of the application surrounding temperature, adaptive correction factor according to the principle of least square. According to the practical application, this algorithm has the advantage of the strong ability to eliminate image degradation, fast convergence speed and high precision. This can meet the need of project practicality in the field of fire control of optics and electrics, infrared imaging seeking.
Language中文
Citation statistics
Cited Times:4[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/15486
Collection光电信息技术研究室
Affiliation1.中国科学院沈阳自动化研究所
2.中国科学院大学
3.中国科学院光电信息处理重点实验室
4.辽宁省图像理解与视觉计算重点实验室
5.中航工业江西洪都航空工业集团有限责任公司
6.空军装备研究院总体所
Recommended Citation
GB/T 7714
张红辉,罗海波,余新荣,等. 多点标定的自适应非均匀性校正方法[J]. 红外与激光工程,2014,43(11):3651-3654.
APA 张红辉,罗海波,余新荣,&丁庆海.(2014).多点标定的自适应非均匀性校正方法.红外与激光工程,43(11),3651-3654.
MLA 张红辉,et al."多点标定的自适应非均匀性校正方法".红外与激光工程 43.11(2014):3651-3654.
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