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基于TDI-CCD成像像移分析及图像复原 被引量:11

Image-Motion Analysis and Image Restoration Based on TDI-CCD Imaging
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摘要 介绍了时间延迟积分电荷耦合器件(TDI-CCD)工作原理及成像特点。基于调制传递函数(MTF)对TDI-CCD的像移进行了分析。根据TDI-CCD像移的产生机理,建立图像退化的数学模型,提出了一种有效估计模糊图像系统点扩散函数的方法,并对运动模糊图像进行半盲恢复。实验结果证明了算法的可行性和有效性。 The operating principle and characteristic of time-delayed-integration charge coupled device(TDI-CCD) are briefly introduced.Has carried on the analysis based on modulation transfer function(MTF) to the TDI-CCD image motion.According to the TDI-CCD image motion the production mechanism,establishes mathematical model which the image degenerates,proposed one efficiency estimation blurred image system point spread function method,and carries on the restoration to the motion blurred image.The experimental resul...
出处 《宇航学报》 EI CAS CSCD 北大核心 2008年第2期675-678,共4页 Journal of Astronautics
基金 河北省教育厅基金(2007143)
关键词 TDI-CCD 调制传递函数 像移 点扩散函数 图像恢复 TDI-CCD Modulation transfer function Image motion Point spread function(PSF) Image restoration
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