Datasets (old page)
From TC11
Contents
Optical Character Recognition (OCR)
Machine-print OCR
- (Broken Link) UW-II English/Japanese Document Image Database
- (Broken Link) UW-III English/Technical Document Image Database
- (Broken Link) ERIM Database
Handwriting
On-line: vectorial, <math>(x_t, y_t)</math>
- (Broken Link) CEDAR On-line Handwriting Database
- UNIPEN database (Click on link 'CDROMs')
- (Needs Update) Ethem Alpaydin's on-line digit db
- (Needs Update) Ethem Alpaydin's optical digit db
- (Needs Update) Kuchibue & Nakayosi (by Masaaki Nakagawa and Stefan Jaeger)
- Together, these databases comprise more than 3 million Japanese characters from 283 writers.
- The Informal Competition of Recognizing On-line Words (ICROW) by the Unipen Foundation
Off-line: image, <math>I(x,y)</math>
- (Needs Update) The NIST handwriting OCR databases Catalog
- (Broken Link) CENPARMI (four 3.5" diskettes) 17000 binarized numbers from ZIP codes on envelopes by the US Postal Services
- (Broken Link) Handwritten LOB-corpus sentences by Horst Bunke, University of Bern, Switzerland
- IAM Database - A full English sentence database for off-line handwriting recognition.
- 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.
- Hindi font samples by Andras Kornai, June 5 2003
Miscellaneous Kanji handwritten OCR databases
Combined on-line/offline handwriting
- (Broken Link) 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)