System and method for connectivity-based recognition of a...

Details System and method for connectivity-based recognition of a... System and method for connectivity-based recognition of a...

2005-03-23

2008-08-05

Mariam, Daniel G (Department: 2624)

Image analysis

Pattern recognition

Unconstrained handwriting

Reexamination Certificate

active

07409088

ABSTRACT:
A system and method for recognition of hand-drawn charts in ink input is provided. A chart recognizer may be provided that may recognize a hand-drawn diagram or chart in ink input. The chart recognizer may include a connectivity-based recognizer for recognizing a hand-drawn chart having connected areas such as a pie chart, a connected container recognizer for recognizing a hand-drawn chart having connected containers such as a cycle diagram, and a curve recognizer for recognizing a hand-drawn chart having a curve. The connected container recognizer may also recognize a hand-drawn chart having intersecting containers such as a Venn diagram or a hand-drawn chart having a container that may include another container such as a target diagram.

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Office Action mailed Sep. 20, 2007 cited in related application No. 11/088,609.

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