Video-based handwritten character input apparatus and method thereof
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Apr 29, 2010
app pub date -
Feb 20, 2009
filing date -
Oct 23, 2008
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A video-based character input apparatus includes an image capturing unit, an image processing unit, a one-dimensional feature coding unit, a character database, a character recognizing unit, a display unit, and a stroke feature database. The image capturing unit captures an image. The image processing unit filters a moving track of a fingertip in the picture by detecting a graphic difference, then detecting a skin color and picking out a moving track most corresponding to a point of the object. The one-dimensional feature coding unit takes a stroke with respect to the moving track and converts the stroke into a coding sequence in a one-dimensional string according to a time sequence. The character recognizing unit proceeds with character comparison between the coding sequence in a one-dimensional string and the character database to find out a character having the most similarity for display one the display unit.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully