Edge smoothing on raster images

Details Edge smoothing on raster images Edge smoothing on raster images

2007-10-02

2007-10-02

Bella, Matthew C. (Department: 2624)

Image analysis

Image enhancement or restoration

Edge or contour enhancement

C382S192000, C358S003270

Reexamination Certificate

active

10368631

ABSTRACT:
A method of edge-smoothing in raster images includes: selecting an object in a raster image, the object including an edge having a plurality of edge pixels; finding all of the edge pixels of the object and generating a polygon having a plurality of vertices, each of which is located at the center of a corresponding one of the edge pixels; smoothing the polygon of the object to generate a smoothed polygon; and smoothing the object according to the smoothed polygon.

REFERENCES:
patent: 4630309 (1986-12-01), Karow
patent: 5325474 (1994-06-01), Kumazaki et al.
patent: 6052131 (2000-04-01), Oka
patent: 6111994 (2000-08-01), Katayama et al.
patent: 6429877 (2002-08-01), Stroyan
M. Sonka, V. Hlavac, and R. Boyle, “Image Processing, Analysis and Machine Vision”, 1993, Chapman and Hall Computing, England, pp. 129-130.

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