Data processing method

Details Data processing method Data processing method

2005-07-19

2005-07-19

Au, Amelia M. (Department: 2623)

Image analysis

Image enhancement or restoration

Artifact removal or suppression

C382S266000, C382S261000

Reexamination Certificate

active

06920252

ABSTRACT:
The present invention relates to a data processing method, which data are included in an incoming digital image. This method comprises a calculation step (ACT) of a spatial activity value of a current pixel based on values (Y) of said current pixel and pixels adjacent thereto, a determination step (NND) of a non-natural uniform area (NN) if the spatial activity value of various consecutive pixels is lower than a first predetermined threshold value. The invention also includes a gradient filter step (GF) of values (Y) of the pixels adapted to detect (THR1) strong edges (SE) inside the image and a detection step (RD) of a ringing artifact. The invention finally comprises a filter step (FIL) of values (Y) of the pixels comprised in a filtering area which is located between a non-natural uniform area (NN) and a strong edge (SE) which are close together and where at least a ringing artifact has been detected.

REFERENCES:
patent: 5422964 (1995-06-01), Devimeux et al.
patent: 5883983 (1999-03-01), Lee et al.
patent: 5974197 (1999-10-01), Lee et al.
patent: 6259823 (2001-07-01), Lee et al.
patent: 6631162 (2003-10-01), Lee et al.
patent: 6795588 (2004-09-01), Nio et al.
patent: 6822675 (2004-11-01), Jung et al.
patent: 0817497 (1998-01-01), None
patent: WO0042778 (2000-07-01), None

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