Method and apparatus for describing a character image based on i

Details Method and apparatus for describing a character image based on i Method and apparatus for describing a character image based on i

1993-04-19

1995-06-20

Couso, Jose L.

Image analysis

Pattern recognition

Feature extraction

382203, G06K 946, G06K 948

Patent

active

054267129

ABSTRACT:
A code set includes a first type of code for indicating a maximal point of a contour of an image, and a second type of code for indicating a minimal point of the contour of the image. The code set may include a third type of code for indicating a state of a switching pair which is a pair of a maximal point and a minimal point on the contours. Each of contours of are described by arrangement of the first type code and the second type of code or a combination of the third code and the arrangement of the first type of code and the second type of code. Each of the first and second types of codes may comprises a convex type of code and a concave type of code, the convex type of code indicating the maximal point on the contour of a convex part of the image, and the concave type of code indicating the maximal point on the contour of a concave part of the image.

REFERENCES:
patent: 4183013 (1980-01-01), Agrawala et al.
patent: 4618989 (1986-10-01), Tsukune et al.

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