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.