太赫兹成像质量提升方法

张智; 林栩凌; 张建兵; 何红艳

doi:10.3788/IRLA201746.1126002

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太赫兹成像质量提升方法

张智, 林栩凌, 张建兵, 何红艳

文章导航 > 红外与激光工程 > 2017 > 46(11): 1126002-1126002(5)

张智, 林栩凌, 张建兵, 何红艳. 太赫兹成像质量提升方法[J]. 红外与激光工程, 2017, 46(11): 1126002-1126002(5). doi: 10.3788/IRLA201746.1126002

引用本文:

张智, 林栩凌, 张建兵, 何红艳. 太赫兹成像质量提升方法[J]. 红外与激光工程, 2017, 46(11): 1126002-1126002(5). doi: 10.3788/IRLA201746.1126002

Zhang Zhi, Lin Xuling, Zhang Jianbing, He Hongyan. Improvement method for terahertz imaging quality[J]. Infrared and Laser Engineering, 2017, 46(11): 1126002-1126002(5). doi: 10.3788/IRLA201746.1126002

Citation:

Zhang Zhi, Lin Xuling, Zhang Jianbing, He Hongyan. Improvement method for terahertz imaging quality[J]. Infrared and Laser Engineering, 2017, 46(11): 1126002-1126002(5). doi: 10.3788/IRLA201746.1126002

太赫兹成像质量提升方法

doi: 10.3788/IRLA201746.1126002

1.
北京空间机电研究所,北京 100094;
2.
中国科学院上海应用物理研究所,上海 201800;
3.
南京理工大学计算机科学与技术学院,江苏南京 210094

基金项目:

国防科技基金（0310151）

详细信息

作者简介:
张智(1978-),男,高级工程师,博士,主要从事模式识别与智能图像处理、新型光学遥感器设计及在轨数据处理、信息处理新方法的研发等方面的研究工作。Email:wzh201014032@163.com

中图分类号: TP751

Improvement method for terahertz imaging quality

1.
Beijing Institute of Space Mechanic & Electricity,Beijing 100094,China;
2.
Shanghai Institute of Applied Physics,Chinese Academy of Sciences,Shanghai 201800,China;
3.
School of Computer Science and Technology,Nanjing University of Science & Technology,Nanjing 210094,China

摘要: 太赫兹成像是空间光学遥感成像领域的新方向，然而太赫兹成像分辨率受到器件加工和制造工艺水平限制。为了提高太赫兹成像的图像分辨率，提出一种改善太赫兹过采样成像的图像处理方法。首先，对响应在太赫兹谱段的目标进行错位观测形成多路观测结果；然后，对多路观测的太赫兹图像进行范数优化约束和增强滤波；最后，将经过范数优化约束和滤波增强后的多路太赫兹图像重构成一幅分辨率更高的图像。实验证明：这种方法能够在抑制背景噪声的同时，有效提高目标边缘连续性。从图像质量评价指标上看，所提方法相较于传统方法能提升图像的有效细节信息，进而增强图像质量。
- 太赫兹成像 /
- 增强 /
- 遥感图像 /
- 滤波 /
- 空间光学
Abstract: Terahertz imaging was new trend of space optical remote sensing imaging field. However, the resolution of terahertz imaging was difficultly raised, restricted by current level processing and manufacturing technology. The improvement method for terahertz imaging quality was presented to raise the quality of terahertz image. Firstly, the multi-observation stagger terahertz images were received, the target spectrum response ranges was terahertz. Then, the multi-observation images were norm optimization constrained and filtering enhanced. Finally, the higher resolution of terahertz image was reconstructed by multi-observation low resolution original terahertz images. The experimental result showed that target edge was more continuous after being processed by the proposed method. Besides, the background noise on original low resolution Terahertz image was constrained. The evaluation index of image quality was increased, which meant that the proposed method is better than conventional methods. The detail information of processed image was enhanced and then quality of the original terahertz image was improved.
- terahertz imaging /
- enhancement /
- remote sensing image /
- filtering /
- space optics

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太赫兹成像质量提升方法

doi: 10.3788/IRLA201746.1126002

1. 北京空间机电研究所,北京 100094;

2. 中国科学院上海应用物理研究所,上海 201800;

3. 南京理工大学计算机科学与技术学院,江苏南京 210094

作者简介:
张智(1978-),男,高级工程师,博士,主要从事模式识别与智能图像处理、新型光学遥感器设计及在轨数据处理、信息处理新方法的研发等方面的研究工作。Email:wzh201014032@163.com

收稿日期: 2017-03-10
修回日期: 2017-04-20
刊出日期: 2017-11-25

基金项目:

国防科技基金（0310151）

中图分类号: TP751

关键词:

摘要: 太赫兹成像是空间光学遥感成像领域的新方向，然而太赫兹成像分辨率受到器件加工和制造工艺水平限制。为了提高太赫兹成像的图像分辨率，提出一种改善太赫兹过采样成像的图像处理方法。首先，对响应在太赫兹谱段的目标进行错位观测形成多路观测结果；然后，对多路观测的太赫兹图像进行范数优化约束和增强滤波；最后，将经过范数优化约束和滤波增强后的多路太赫兹图像重构成一幅分辨率更高的图像。实验证明：这种方法能够在抑制背景噪声的同时，有效提高目标边缘连续性。从图像质量评价指标上看，所提方法相较于传统方法能提升图像的有效细节信息，进而增强图像质量。

English Abstract

Improvement method for terahertz imaging quality

1. Beijing Institute of Space Mechanic & Electricity,Beijing 100094,China;

2. Shanghai Institute of Applied Physics,Chinese Academy of Sciences,Shanghai 201800,China;

3. School of Computer Science and Technology,Nanjing University of Science & Technology,Nanjing 210094,China

Received Date: 2017-03-10
Rev Recd Date: 2017-04-20
Publish Date: 2017-11-25

Keywords:

Abstract: Terahertz imaging was new trend of space optical remote sensing imaging field. However, the resolution of terahertz imaging was difficultly raised, restricted by current level processing and manufacturing technology. The improvement method for terahertz imaging quality was presented to raise the quality of terahertz image. Firstly, the multi-observation stagger terahertz images were received, the target spectrum response ranges was terahertz. Then, the multi-observation images were norm optimization constrained and filtering enhanced. Finally, the higher resolution of terahertz image was reconstructed by multi-observation low resolution original terahertz images. The experimental result showed that target edge was more continuous after being processed by the proposed method. Besides, the background noise on original low resolution Terahertz image was constrained. The evaluation index of image quality was increased, which meant that the proposed method is better than conventional methods. The detail information of processed image was enhanced and then quality of the original terahertz image was improved.

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太赫兹成像质量提升方法

doi: 10.3788/IRLA201746.1126002

作者简介: 张智(1978-),男,高级工程师,博士,主要从事模式识别与智能图像处理、新型光学遥感器设计及在轨数据处理、信息处理新方法的研发等方面的研究工作。Email:wzh201014032@163.com

Improvement method for terahertz imaging quality

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出版历程

太赫兹成像质量提升方法

doi: 10.3788/IRLA201746.1126002

1. 北京空间机电研究所,北京 100094; 2. 中国科学院上海应用物理研究所,上海 201800; 3. 南京理工大学 计算机科学与技术学院,江苏 南京 210094

作者简介: 张智(1978-),男,高级工程师,博士,主要从事模式识别与智能图像处理、新型光学遥感器设计及在轨数据处理、信息处理新方法的研发等方面的研究工作。Email:wzh201014032@163.com

English Abstract

Improvement method for terahertz imaging quality

1. Beijing Institute of Space Mechanic & Electricity,Beijing 100094,China; 2. Shanghai Institute of Applied Physics,Chinese Academy of Sciences,Shanghai 201800,China; 3. School of Computer Science and Technology,Nanjing University of Science & Technology,Nanjing 210094,China

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目录

作者简介:
张智(1978-),男,高级工程师,博士,主要从事模式识别与智能图像处理、新型光学遥感器设计及在轨数据处理、信息处理新方法的研发等方面的研究工作。Email:wzh201014032@163.com

1. 北京空间机电研究所,北京 100094;

2. 中国科学院上海应用物理研究所,上海 201800;

3. 南京理工大学计算机科学与技术学院,江苏南京 210094

作者简介:
张智(1978-),男,高级工程师,博士,主要从事模式识别与智能图像处理、新型光学遥感器设计及在轨数据处理、信息处理新方法的研发等方面的研究工作。Email:wzh201014032@163.com

1. Beijing Institute of Space Mechanic & Electricity,Beijing 100094,China;

2. Shanghai Institute of Applied Physics,Chinese Academy of Sciences,Shanghai 201800,China;

3. School of Computer Science and Technology,Nanjing University of Science & Technology,Nanjing 210094,China