Image analysis – Pattern recognition – Feature extraction
Reexamination Certificate
2008-07-15
2008-07-15
Mariam, Daniel G (Department: 2624)
Image analysis
Pattern recognition
Feature extraction
C382S181000
Reexamination Certificate
active
11088609
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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Li Yantao
Wang Jian
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