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US08411981B2 Method of removing blur without ringing-artifact 有权
去除模糊而不产生振铃的方法

Method of removing blur without ringing-artifact
Abstract:
Provided is an image processing method and apparatus for removing blur in a screen image, including detecting blur in an input image, segmenting the image according to an amount of the detected blur, performing a high pass filtering of the segmented image in a horizontal direction and a vertical direction, detecting corresponding weights by using corresponding coefficients of each direction obtained from filtering; and restoring the image by applying the detected weights to one of: an iterative form or a closed form of an image restoration.
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