System and method for edge enhancement of images

Details System and method for edge enhancement of images System and method for edge enhancement of images

2005-05-10

2005-05-10

Bella, Matthew C. (Department: 2676)

Computer graphics processing and selective visual display system

Computer graphics processing

Attributes

C382S199000, C382S254000, C382S266000, C382S267000, C382S268000, C382S269000, C382S272000, C348S625000

Reexamination Certificate

active

06891549

ABSTRACT:
A method for generating an enhanced image includes the steps of: (a) receiving a matrix of pixels representative of an image; (b) generating a gradient image representative of a difference between values of adjacent pixels; (c) calculating a center of mass for each pixel of the gradient image in response to gradient intensity values and location values of neighboring pixels; and (d) generating an enhanced image by modifying intensity values of pixels of the matrix of pixels that are located in a vicinity of local centers of mass in response to intensity values of pixels that are further displaced from the local centers of mass.

REFERENCES:
patent: 4853970 (1989-08-01), Ott et al.
patent: 6094508 (2000-07-01), Acharya et al.
patent: 6535632 (2003-03-01), Park et al.
patent: 6600517 (2003-07-01), He et al.
patent: 20020097439 (2002-07-01), Braica

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