Symbol recognition method

Details Symbol recognition method Symbol recognition method

2011-01-25

2011-01-25

Mariam, Daniel G (Department: 2624)

Image analysis

Pattern recognition

Feature extraction

C382S199000, C382S224000

Reexamination Certificate

active

07876963

ABSTRACT:
A symbol recognition method for increasing the symbol recognition speed by the processor includes the steps of obtaining a pixel density value and an aspect ratio of the symbol image. Then, the center-point value and the corresponding radius value are obtained by a partitional clustering algorithm. In sequence, a pixel density value and the aspect ratio of the under recognized image are obtained, and compared with the values of the symbol image to determine whether the under recognized image is a single symbol image or not.

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patent: 6345119 (2002-02-01), Hotta et al.
patent: 7454063 (2008-11-01), Kneisl et al.

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