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基于面阵CCD-TDI模式编码感知的高分辨率遥感计算成像
  • 期刊名称：光电子?激光
  • 时间：0
  • 页码：993-998
  • 分类：O436[机械工程—光学工程;理学—光学;理学—物理]
  • 作者机构：[1]西安电子科技大学电子工程学院,陕西西安710071, [2]空军工程大学理学院,陕西西安710071
  • 相关基金：国家自然科学基金（61070138,61033004,60902031,61003148）; 高等学校博士学科点专项科研基金（200807010004）; 中央高校基本科研业务费专项基金（JY10000902028）资助项目
  • 相关项目：适用于高丢包率无线网络环境的压缩感知-多描述编码方法及关键技术研究
作者： 潘旋，高大化，石光明|
关键词： 高分辨率成像, 电荷耦合器件-时间延迟积分(CCD-TDI)模式, 编码感知, 随机曝光, 压缩感知(CS), high-resolution imaging, CCD-TDI pattern, coded sensing, random exposure, compressive sensing（CS）
中文摘要：

针对推扫式遥感成像,基于压缩感知（CS）理论,提出一种利用低密度探测器获取高分辨率遥感图像的新方法。在推扫过程中,采用可编码的行间转移面阵电荷耦合器件（CCD）并使其工作于时间延迟积分（TDI）模式,在随机曝光控制电路的控制下实现对场景信息的编码感知;通过计算成像,从感知的数据中重构出高分辨率遥感图像。这种基于CCD-TDI模式编码感知的高分辨率遥感计算成像方法,可以增强成像分辨率和提高输出图像信噪比。仿真结果验证了本文方法的有效性。

英文摘要：

Based on the compressive sensing（CS） theory,this paper presents a novel method for high-resolution remote sensing images with low-density sensors for push-broom imaging.During the whole imaging process,we employ the coded interline transfer progressive scan CCD and make it work in TDI pattern to accomplish coded sensing for scene information under the control of random exposure control circuit.The high-resolution remote sensing images can be reconstructed from sensed data via computational imaging.This proposed imaging strategy can enhance the resolution and improve the signal-to-noise ratio of output images.The simulation results also verify the effectiveness of this proposed method.

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