Patent ID: 6259822
Filing Date: 2001-07-10
Classification: G06T

Abstract:
A method of edge enhancing a digital image having pixels which reduces the visibility of false edge contours, comprising the steps of:a) acquiring a digital image;b) computing an edge boost record having positive and negative boost values for different portions of the edge regions in a digital image;c) modifying the edge boost record by applying an adaptive blur kernel to the pixels of said edge boost record by:(i) providing the blur kernel in response to the boost values of a predetermined number of pixels near the pixel of interest; and(ii) using the geometric pattern of positive and negative boost values in constructing the blur kernel so that only non-negative boost values are used to modify a non-negative boost value, and only non-positive boost values are used to modify a non-negative boost value; andd) applying the modified edge boost record to the digital image to provide an edge enhanced digital image which reduces the visibility of false edge contours.