Difference between revisions of "Datasets"

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(On-line: vectorial, (x_t, y_t))
(Off-line: image, I(x,y))
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* [http://www.cedar.buffalo.edu/Databases/CDROM1/ CEDAR Off-line Handwriting CDROM1]
 
* [http://www.cedar.buffalo.edu/Databases/CDROM1/ CEDAR Off-line Handwriting CDROM1]
  
* [ftp://sequoyah.ncsl.nist.gov/pub/databases/catalog.txt The NIST handwriting OCR databases Catalog]
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* [ftp://sequoyah.ncsl.nist.gov/pub/databases/catalog.txt The NIST handwriting OCR databases Catalog] (Needs Update)
  
* [http://www.cenparmi.concordia.ca/ CENPARMI (four 3.5" diskettes)] 17000 binarized numbers from ZIP codes on envelopes by the US Postal Services
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* [http://www.cenparmi.concordia.ca/ CENPARMI (four 3.5" diskettes)] 17000 binarized numbers from ZIP codes on envelopes by the US Postal Services (Broken Link)
  
* [http://www.computer.org/proceedings/icdar/0318/03180705abs.htm Handwritten LOB-corpus sentences] by Horst Bunke, University of Bern, Switzerland
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* [http://www.computer.org/proceedings/icdar/0318/03180705abs.htm Handwritten LOB-corpus sentences] by Horst Bunke, University of Bern, Switzerland (Broken Link)
  
 
* [http://www.iam.unibe.ch/~zimmerma/iamdb/iamdb.html IAM Database] - A full English sentence database for off-line handwriting recognition.
 
* [http://www.iam.unibe.ch/~zimmerma/iamdb/iamdb.html IAM Database] - A full English sentence database for off-line handwriting recognition.
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** [http://www.iam.unibe.ch/fki/databases/iam-on-line-handwriting-database new link?]
  
 
* MARG- Medical Article Records Groundtruth ([http://marg.nlm.nih.gov/]) is a freely-available repository of document page images and their associated textual and layout data. The data has been reviewed and corrected to establish its "ground truth". Please contact Dr. George Thoma (thoma@lhc.nlm.nih.gov) at the National Library of Medicine for more information.
 
* MARG- Medical Article Records Groundtruth ([http://marg.nlm.nih.gov/]) is a freely-available repository of document page images and their associated textual and layout data. The data has been reviewed and corrected to establish its "ground truth". Please contact Dr. George Thoma (thoma@lhc.nlm.nih.gov) at the National Library of Medicine for more information.

Revision as of 14:15, 24 March 2010

Optical Character Recognition (OCR)

Machine-print OCR

Handwriting

On-line: vectorial, <math>(x_t, y_t)</math>

  • Kuchibue & Nakayosi (by Masaaki Nakagawa and Stefan Jaeger) (Needs Update)
    • Together, these databases comprise more than 3 million Japanese characters from 283 writers.

Off-line: image, <math>I(x,y)</math>

  • MARG- Medical Article Records Groundtruth ([1]) is a freely-available repository of document page images and their associated textual and layout data. The data has been reviewed and corrected to establish its "ground truth". Please contact Dr. George Thoma (thoma@lhc.nlm.nih.gov) at the National Library of Medicine for more information.

Miscellaneous Kanji handwritten OCR databases

Combined on-line/offline handwriting

  • IRONOFF by the IRESTE group of the University of Nantes, France, is the first database of this type which is available. It combines handwritten samples of words in image (pixel) and in vector format.
Contact: Christian VIARD-GAUDIN (cviard@ireste.fr)