SR技术的基本思想是,以若干模糊、有噪、频谱混叠的低分辨率(Low Resolution,LR)图像为输入,通过信号处理技术融合成一幅高分辨率(High Resolution,HR)图像。
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方法：用数学方法求解对应于低分辨率遥感图像的统一频谱混叠。
Methods: the mathematic method is used to find a uniform expression for frequency aliasing matrix of different resolution images.
利用频谱解混叠方法和空间域迭代重建方法对低分辨率图像帧数大于等于4帧时的重建效果进行了研究。
The result of reconstructing a HR image is studied when the quantity of LR images is more than or equal 4 by using the spectral de-aliasing algorithm and the spatial iterative algorithm separately.
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