Image extraction system for extracting patterns such as characte

Details Image extraction system for extracting patterns such as characte Image extraction system for extracting patterns such as characte

1996-07-30

1999-12-21

Tran, Phuoc

Image analysis

Pattern recognition

Feature extraction

382178, 382174, G06K 946

Patent

active

060059761

ABSTRACT:
In an image extraction system, an extracting part for extracting wide lines, an extracting part for extracting narrow lines and a frame detector detect a frame from a pattern which is extracted by a connected pattern extracting part. An attribute adder adds attributes of a character (graphic and symbol inclusive), frame, and a contact pattern of the character and frame to a partial pattern, and a separating part separates the frame from the contact pattern. An intersection calculator calculates intersections of the character and frame, and the calculated intersections are associated by an intersection associating part. An interpolator obtains a character region within the frame and interpolates this region based on the associated intersections. A connection confirming part confirms a connection of the pattern with respect to the extracted character pattern, and patterns confirmed of their connection are integrated in a connected pattern integrating part to thereby extract the character.

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Abstract of Japanese Patent Application No. 3-250385.

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