根据模糊图像的频谱和协方差特性估计模糊图像的模糊度。
According to the frequency spectrum and covariance, the blur strength of the blurred image is evaluated.
正如你所见，尤其在标志上的文字部分，图像的模糊被锐化了。
As you can see, especially around the text on the sign, the blur has been reduced by sharpening the image.
在这项称之为自适应光学眼底镜的系统中，一束激光创建了参照点，用以修正眼底摄影机所获图像的模糊现象。
In this system, called an adaptive optics ophthalmoscope, a laser creates a reference point that is used to correct the blurring of the image obtained with a fundus camera.
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