基于低秩矩阵近似的低噪宽幅热红外成像技术
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中国科学院上海技术物理研究所 空间主动光电技术重点实验室,中国科学院上海技术物理研究所 空间主动光电技术重点实验室,中国科学院上海技术物理研究所 空间主动光电技术重点实验室,中国科学院上海技术物理研究所 空间主动光电技术重点实验室,中国科学院上海技术物理研究所 空间主动光电技术重点实验室,中国科学院上海技术物理研究所 空间主动光电技术重点实验室,中国科学院上海技术物理研究所 空间主动光电技术重点实验室

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Denoised and wide swath thermal imaging technology based on low rank matrix approximation
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Key Laboratory of Space Active Opto-Electronics Technology,Shanghai Institute of Technical Physics,Chinese Academy of Sciences,Key Laboratory Active Opto-Electronics Technology,Shanghai Institute of Technical Physics,Chinese Academy of Sciences of Space,Key Laboratory of Space Active Opto-Electronics Technology,Shanghai Institute of Technical Physics,Chinese Academy of Sciences,Key Laboratory of Space Active Opto-Electronics Technology,Shanghai Institute of Technical Physics,Chinese Academy of Sciences,Key Laboratory of Space Active Opto-Electronics Technology,Shanghai Institute of Technical Physics,Chinese Academy of Sciences,Key Laboratory of Space Active Opto-Electronics Technology,Shanghai Institute of Technical Physics,Chinese Academy of Sciences,Key Laboratory of Space Active Opto-Electronics Technology,Shanghai Institute of Technical Physics,Chinese Academy of Sciences

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    摘要:

    为解决强背景弱信号场景下热红外成像系统噪声制约图像信噪比的问题,提出了一种基于低秩矩阵近似理论的低噪宽幅热红外成像技术.利用面阵摆扫方式实现宽幅扫描成像并构建严格的观测矩阵,通过加权核范数最小化方法求解去噪的低秩矩阵形式.试验证明该技术具有较高的峰值信噪比与降噪鲁棒性,在宽幅成像的同时也提高了探测灵敏度.研究成果在红外弱目标识别、广域侦查等领域具有一定应用价值.

    Abstract:

    A denoised and wide swath thermal imaging technology based on low rank matrix approximation ( LRMA) was proposed to solve the problem of low signal-to-noise ratio ( SNR) of thermal imaging system noise in strong background and weak signal scene. This technology utilized array whisk broom mode to realize wide swath imaging and construct strict observations. The denoising low-rank matrix of observations was solved via weighted nuclear norm minimization ( WNNM) . Experiments showed that the technology had high peak signal to noise ratio ( PSNR) and denoising robustness. Both of imaging width and detection sensitivity were improved. The technology has certain application value in the field of weak target recognition and large area investigation.

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杨 暄,王义坤,韩贵丞,刘 敏,姚 波,舒 嵘,亓洪兴.基于低秩矩阵近似的低噪宽幅热红外成像技术[J].红外与毫米波学报,2018,37(3):296~301]. YANG Xuan, WANG Yi-Kun, HAN Gui-Cheng, LIU Min, YAO Bo, SHU Rong, QI Hong-Xing. Denoised and wide swath thermal imaging technology based on low rank matrix approximation[J]. J. Infrared Millim. Waves,2018,37(3):296~301.]

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  • 收稿日期:2017-08-16
  • 最后修改日期:2017-09-12
  • 录用日期:2017-09-13
  • 在线发布日期: 2018-07-16
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