Image analysis – Pattern recognition
Reexamination Certificate
2007-04-10
2011-11-22
Mariam, Daniel (Department: 2624)
Image analysis
Pattern recognition
Reexamination Certificate
active
08064696
ABSTRACT:
A processing device may parse a group of strokes representing a mathematical expression. The group of strokes may be examined to determine whether the group of strokes satisfies any of a finite set of rules. When the group of strokes, included in a region, satisfies any of the finite set of rules, the region may be partitioned according to a satisfied one of the finite set of rules. The group of strokes included in the region may be further examined to determine whether the group of strokes may be further partitioned according to any of the finite set of rules. After all regions have been examined and no further partitioning of regions may be performed, all mathematical symbols of the mathematical expression may be isolated in at least some of the regions and may be recognized.
REFERENCES:
patent: 5627914 (1997-05-01), Pagallo
patent: 6336094 (2002-01-01), Ferguson et al.
patent: 6665436 (2003-12-01), Su et al.
patent: 7778464 (2010-08-01), Lee et al.
patent: 2004/0015342 (2004-01-01), Garst
patent: 2004/0054701 (2004-03-01), Garst
patent: 2005/0044295 (2005-02-01), Wakeam et al.
patent: 2006/0062471 (2006-03-01), Xu et al.
patent: 2006/0280370 (2006-12-01), Viola et al.
US 7,092,574, 08/2006, Suzuki et al. (withdrawn)
Liang, et al., “Efficient Geometric Algorithms for Parsing in Two Dimensions”, Date: 2005, http://research.microsoft.com/˜viola/Pubs/DocExtract/docGeom—ICDAR2005.pdf.
Laviola Jr., et al., “MathPad2: A System for the Creation and Exploration of Mathematical”, http://delivery.acm.org/10.1145/1020000/1015741/p432-laviola.pdf?key1=1015741&key2=5277261711&coll=&dl=ACM&CFID=15151515&CFTOKEN=6184618.
Matsakis Nicholas E., “Recognition of Handwritten Mathematical Expressions”, http://www.ai.mit.edu/projects
atural-log/papers/matsakis-MEng-99.pdf.
Shilman, et al., “Recognition and Grouping of Handwritten Text in Diagrams and Equations”, Date: 2004, http://ieeexplore.ieee.org/ie15/9414/29882/01363972.pdf.
Dresevic Bodin
Predovic Goran
Radakovic Bogdan
Capitol City TechLaw
Irving Richard C.
Mariam Daniel
Microsoft Corporation
Rice Elisa M
LandOfFree
Geometric parsing of mathematical expressions does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Geometric parsing of mathematical expressions, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Geometric parsing of mathematical expressions will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4308802