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US4571635A Method of image enhancement by raster scanning 失效
光栅扫描图像增强方法

Method of image enhancement by raster scanning
摘要:
A method of enhancing images comprises making a point-by-point record of an image with successive pixels in a logical array, determining the standard deviation of the pixels, determining an effective central pixel value, and then displaying or recording the image using the determined central pixel values.
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