METHOD AND APPARATUS FOR SHARPENING AN IMAGE

摘要

A method for sharpening an image, the method including the steps of: receivi ng a data set indicative of the image; extracting an initial luminance channel from the data set; sharpening the initial luminance channel to form a revise d luminance channel; and incorporating the revised luminance channel into the data set. An apparatus for sharpening an image, the apparatus including: inp ut means for receiving a data set indicative of the image; extraction means for extracting an initial luminance channel from the data set; sharpening means for sharpening the initial luminance channel to form a revised luminance channel; and processing means for incorporating the revised luminance channe l into the data set.