NDLI: Recognition enhancement by linear tournament verification

Content Provider	IEEE Xplore Digital Library
Author	Tokahashi, H. Griffin, T.D.
Copyright Year	1993
Description	Author affiliation: IBM Almaden Res. Center, San Jose, CA, USA (Tokahashi, H.; Griffin, T.D.)
Abstract	The recent significant enhancement of OCR systems recognition rates has been driven mainly by combining different feature sets or by adopting a voting scheme using multiple independent algorithms. Voting is effective but computationally expensive. A general framework for economical enhancement of recognition rate that focuses on a critical reordering of a few top candidates is described. After the execution of the base OCR algorithm (a three-layer neural network), a linear tournament verification is executed using one-to-one small network verifiers to improve the ordering of the top candidates. Thirty-four one-to-one verifiers were developed for the uppercase English alphabet. Fourteen of these use special features; however, the rest use the same features as those in the base algorithm. On the NIST uppercase data set, the recognition rate for the new system is 95.8%, showing a 1.2% improvement over the system without verification. Although the improvement is modest, the costs in both efficiency and development effort are small.<>
Starting Page	585
Ending Page	588
File Size	368083
Page Count	4
File Format	PDF
ISBN	0818649607
DOI	10.1109/ICDAR.1993.395667
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1993-10-20
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical character recognition software Costs NIST Voting Neural networks Feature extraction Ores Large-scale systems Robustness Topology
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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