WO2003025829A3 - Method and arrangement for segmentation of handwritten objects - Google Patents

Method and arrangement for segmentation of handwritten objects Download PDF

Info

Publication number
WO2003025829A3
WO2003025829A3 PCT/SE2002/001714 SE0201714W WO03025829A3 WO 2003025829 A3 WO2003025829 A3 WO 2003025829A3 SE 0201714 W SE0201714 W SE 0201714W WO 03025829 A3 WO03025829 A3 WO 03025829A3
Authority
WO
WIPO (PCT)
Prior art keywords
handwritten message
arrangement
graphical representation
segmentation
image area
Prior art date
Application number
PCT/SE2002/001714
Other languages
French (fr)
Other versions
WO2003025829A2 (en
Inventor
Thomas Craven-Bartle
Lars Petterson
Magnus Hollstroem
Original Assignee
Anoto Ab
Thomas Craven-Bartle
Lars Petterson
Magnus Hollstroem
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anoto Ab, Thomas Craven-Bartle, Lars Petterson, Magnus Hollstroem filed Critical Anoto Ab
Priority to AU2002339789A priority Critical patent/AU2002339789A1/en
Publication of WO2003025829A2 publication Critical patent/WO2003025829A2/en
Publication of WO2003025829A3 publication Critical patent/WO2003025829A3/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/14—Image acquisition
    • G06V30/142—Image acquisition using hand-held instruments; Constructional details of the instruments
    • G06V30/1423—Image acquisition using hand-held instruments; Constructional details of the instruments the instrument generating sequences of position coordinates corresponding to handwriting
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/14—Image acquisition
    • G06V30/148—Segmentation of character regions
    • G06V30/158—Segmentation of character regions using character size, text spacings or pitch estimation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition

Abstract

A method and an arrangement for presentation of a graphical representation of a handwritten message on a graphical screen. Position data and time data are recorded, indicating positions and points of time for the handwritten message. An image area in the graphical representation of the handwritten message is identified based on said position data and said time data, the size of the image area being a subportion of the graphical representation of the handwritten message. Finally, display data is provided to a screen, which display data comprises a graphical representation of the subportion of the handwritten message in the identified image area.
PCT/SE2002/001714 2001-09-21 2002-09-20 Method and arrangement for segmentation of handwritten objects WO2003025829A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002339789A AU2002339789A1 (en) 2001-09-21 2002-09-20 Method and arrangement for segmentation of handwritten objects

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0103179A SE520022C2 (en) 2001-09-21 2001-09-21 Procedure and apparatus for segmentation of handwritten objects
SE0103179-8 2001-09-21

Publications (2)

Publication Number Publication Date
WO2003025829A2 WO2003025829A2 (en) 2003-03-27
WO2003025829A3 true WO2003025829A3 (en) 2003-12-11

Family

ID=20285431

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE2002/001714 WO2003025829A2 (en) 2001-09-21 2002-09-20 Method and arrangement for segmentation of handwritten objects

Country Status (3)

Country Link
AU (1) AU2002339789A1 (en)
SE (1) SE520022C2 (en)
WO (1) WO2003025829A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006090406A1 (en) * 2005-02-23 2006-08-31 Hewlett-Packard Development Company, L.P. System, method, and apparatus for automatic segmentation and analysis of ink stream
WO2006090404A1 (en) * 2005-02-23 2006-08-31 Hewlett-Packard Development Company, L.P. System, method, and apparatus for accomodating variability in chunking the sub-word units of online handwriting

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5592608A (en) * 1993-10-15 1997-01-07 Xerox Corporation Interactively producing indices into image and gesture-based data using unrecognized graphical objects
EP0764908A1 (en) * 1995-09-21 1997-03-26 Canon Kabushiki Kaisha Data storage apparatus and data retrieval method in said apparatus
US5687254A (en) * 1994-06-06 1997-11-11 Xerox Corporation Searching and Matching unrecognized handwriting
US6279014B1 (en) * 1997-09-15 2001-08-21 Xerox Corporation Method and system for organizing documents based upon annotations in context

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5592608A (en) * 1993-10-15 1997-01-07 Xerox Corporation Interactively producing indices into image and gesture-based data using unrecognized graphical objects
US5687254A (en) * 1994-06-06 1997-11-11 Xerox Corporation Searching and Matching unrecognized handwriting
EP0764908A1 (en) * 1995-09-21 1997-03-26 Canon Kabushiki Kaisha Data storage apparatus and data retrieval method in said apparatus
US6279014B1 (en) * 1997-09-15 2001-08-21 Xerox Corporation Method and system for organizing documents based upon annotations in context

Also Published As

Publication number Publication date
AU2002339789A1 (en) 2003-04-01
WO2003025829A2 (en) 2003-03-27
SE520022C2 (en) 2003-05-06
SE0103179L (en) 2003-03-22
SE0103179D0 (en) 2001-09-21

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