[1]黄宇,张宝辉,吴杰,等.自适应多点定标非均匀性校正算法[J].红外技术,2020,42(7):637-643.[doi:10.11846/j.issn.1001_8891.202007006]
 HUANG Yu,ZHANG Baohui,WU Jie,et al.Adaptive Multipoint Calibration Non-uniformity Correction Algorithm[J].Infrared Technology,2020,42(7):637-643.[doi:10.11846/j.issn.1001_8891.202007006]
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自适应多点定标非均匀性校正算法
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《红外技术》[ISSN:1001-8891/CN:CN 53-1053/TN]

卷:
42卷
期数:
2020年第7期
页码:
637-643
栏目:
出版日期:
2020-07-23

文章信息/Info

Title:
Adaptive Multipoint Calibration Non-uniformity Correction Algorithm
文章编号:
1001-8891(2020)07-0637-07
作者:
黄宇张宝辉吴杰陈莹妍吉莉吴旭东于世孔
昆明物理研究所
Author(s):
HUANG YuZHANG BaohuiWU JieCHEN YingyanJI LiWU XudongYU Shikong
Kunming Institute of Physics
关键词:
自适应红外图像非均匀性校正
Keywords:
adaptive infrared image non-uniformity correction
分类号:
TP391
DOI:
10.11846/j.issn.1001_8891.202007006
文献标志码:
A
摘要:
多点定标法校正精度较高,但需要选择合理的标定点才能达到理论的校正效果。本文提出了一种用于选择多点法标定点的算法。算法将残差作为选择标定点的判定条件,自适应地在焦平面响应曲线上确定标定点。探测器采集的原始图像经本文算法校正后图像的响应率不均匀性为0.31%,与传统的均匀分段多点法相比减少了约31%,多点法的校正精度得到了明显提高。
Abstract:
The multipoint calibration method provides high calibration accuracy. However, a reasonable number of calibration points are required in order to achieve the theoretical correction effect. This work proposes an algorithm for selecting multipoint legal punctuation. The algorithm uses the residual as the criterion for selecting calibration points and adaptively determines the calibration points on the focal plane response curve. The non-uniformity of the response rate of the original image collected by the detector and corrected by the proposed algorithm is 0.31%, which is about 31% less than that of the traditional uniform segmented multipoint method. In addition, the correction accuracy of the multipoint method is significantly improved.

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备注/Memo

备注/Memo:
收稿日期:2019-11-14;修订日期:2020-03-10.
作者简介:黄宇(1994-),男,山东烟台人,硕士研究生,主要从事红外图像处理研究。E-mail: yu565585720@163.com。
基金项目:国家重点研发计划项目(2017YFA0701200)。

更新日期/Last Update: 2020-07-16