NDLI: Towards Generic Text-Line Extraction

Content Provider	IEEE Xplore Digital Library
Author	Bukhari, S.S. Shafait, F. Breuel, T.M.
Copyright Year	2013
Description	Author affiliation: Univ. of Western Australia, Perth, WA, Australia (Shafait, F.) \|\| Tech. Univ. of Kaiserslautern, Kaiserslautern, Germany (Bukhari, S.S.; Breuel, T.M.)
Abstract	Text-line extraction is the backbone of document image analysis. Since decades, a large number of text-line finding methods have been proposed, where these methods rely on certain assumptions about a target class of documents with respect to writing styles, digitization methods, intensity values, and scripts. There is no generic text-line finding method that can be robustly applied to a large variety of simple and complex document images. We introduced the ridge-based text-line finding method, and published its initial results for curled text-line detection on camera-captured document images. In this paper, we demonstrates our ridge-based method as a generic text-line finding approach that can be robustly applied on a diverse collection of simple and complex document images. The comprehensive performance evaluation of the ridge-based method and its comparison with several state-of-the-art methods is presented in the paper. For this purpose, diverse categories of publicly available and standard datasets have been selected: UWIII (scanned, printed English script), DFKI-I (camera-captured, printed English script), UMD (handwritten Chinese, Hindi, and Korean scripts), ICDAR2007 handwritten segmentation contest (handwritten English, French, German and Greek scripts), Arabic/Urdu (scanned, printed script), and Fraktur (scanned, calligraphic German script). Experiments on these datasets show that the ridge-based method achieves better text-line extraction results as those of the best performing, domain-specific text-line finding methods. Firstly, these results show that the ridge-based method is a generic text-line extraction method. Secondly, these results are also helpful for the community to assess the advantages of this method.
Starting Page	748
Ending Page	752
File Size	505426
Page Count	5
File Format	PDF
ISBN	9780769549996
ISSN	15205363
DOI	10.1109/ICDAR.2013.153
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-08-25
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Smoothing methods Gray-scale Performance evaluation Image segmentation Text analysis Accuracy Standards Performance Evaluation and Benchmarking Generic Layout Analysis Generci Text Line Extraction Method Ridge-based Text-Line Extraction Method Collection of Diverse Documents
Content Type	Text
Resource Type	Article

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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
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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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