Title: Method and apparatus for enhancing discrete pixel images
Application Number: 99104859 Application Date: 1999.04.14
Publication Number: 1238505 Publication Date: 1999.12.15
Approval Pub. Date: 2004.01.21 Granted Pub. Date: 2004.01.21
International Classifi-cation: G06K9/20;G06T5/00
Applicant(s) Name: General Electric Co. Address:
Inventor(s) Name: G. B. Avinash
Attorney & Agent: zou guangxin
Abstract:
    Pixel data representative of a discrete pixel image is processed to identify structures and non-structures in the image defined by the pixel data. The structures and non-structures are processed in different manners. The structures are identified by computing gradient information on each pixel and by comparing the gradient information to a gradient threshold, and by comparing gradient directions for adjacent pixels to one another. The edges defining the structures are binary rank order filtered. The structures are orientation smoothed and sharpened. The non-structures are homogenization smoothed and original texture is blended back into non-structural regions.
Time: 10