Nothing Special   »   [go: up one dir, main page]

skip to main content
article

Handwritten Urdu character recognition using one-dimensional BLSTM classifier

Published: 01 April 2019 Publication History

Abstract

The recognition of cursive script is regarded as a subtle task in optical character recognition due to its varied representation. Every cursive script has different nature and associated challenges. As Urdu is one of cursive language that is derived from Arabic script, that is why it nearly shares the similar challenges and complexities but with more intensity. We can categorize Urdu and Arabic language on basis of its script they use. Urdu is mostly written in Nasta'liq style, whereas Arabic follows Naskh style of writing. This paper presents new and comprehensive Urdu handwritten offline database name Urdu-Nasta'liq handwritten dataset (UNHD). Currently, there is no standard and comprehensive Urdu handwritten dataset available publicly for researchers. The acquired dataset covers commonly used ligatures that were written by 500 writers with their natural handwriting on A4 size paper. UNHD is publically available and can be download form https://sites.google.com/site/researchonurdulanguage1/databases. We performed experiments using recurrent neural networks and reported a significant accuracy for handwritten Urdu character recognition.

References

[1]
Biadsy F, El-Sana J, Habash NY (2006) Online Arabic handwriting recognition using hidden Markov models. In: Proceedings of the 10th international workshop on frontiers of handwriting and recognition
[2]
Breuel TM (2008) The OCRopus open source OCR system. In: Yanikoglu BA, Berkner K (eds) Document Recognition and Retrieval XV, vol 6815. SPIE, San Jose, CA, p 68150.
[3]
Deng L (2012) The MNIST database of handwritten digit images for machine learning. IEEE Signal Process Mag 29(6):141---147
[4]
Essoukri N, Amara B, Mazhoud O, Bouzrara N, Ellouze N (2005) ARABASE: a relational database for Arabic OCR systems. Int Arab J Inf Technol 2(4):259---266
[5]
Graves A (2012) Supervised sequence labeling with recurrent neural networks, vol 385. Springer Studies in Computational Intelligence
[6]
Gosselin B (1996) Multilayer perceptrons combination applied to handwritten character recognition. Neural Process Lett 3(1):3
[7]
Razzak MI, Hussain SA (2010) Locally baseline detection for online Arabic script based languages character recognition. Int J Phys Sci 5:955
[8]
Sabbour N, Shafait F (2013) A segmentation free approach to Arabic and Urdu OCR. In: DRR, ser. SPIE Proceedings 8658
[9]
Marti U-V, Horst Bunke H (2004) The IAM-database: an English sentence database for offline handwriting recognition. IJDAR 5(1):39
[10]
Taghva K, Nartker T, Borsack J, Condit A (1999) UNLV-ISRI document collection for research in OCR and information retrieval. In: International society for optics and photonics in electronic imaging
[11]
Javed ST, Hussain S (2013) Segmentation based Urdu Nastalique OCR. Springer 8259:41
[12]
Naz S, Hayat K, Razzak MI, Anwar MW, Madani SA, Khan SU (2014) The optical character recognition of Urdu-like cursive scripts. Pattern Recognit 47(3):12291248
[13]
Naz S, Hayat K, Razzak MI, Anwar MW, Khan SK (2014) Challenges in baseline detection of Arabic script based languages. Springer International Publishing in Intelligent Systems for Science and Information, p 181
[14]
Parvez MT, Mahmoud SA (2013) Offline Arabic handwritten text recognition: a survey. ACM Comput Surveys (CSUR) 45(2):23
[15]
Smith R (2007) An overview of the tesseract OCR engine. In: ICDAR 629
[16]
Lorigo LM, Govindaraju V (2006) Offline Arabic handwriting recognition: a survey. IEEE Trans Pattern Anal Mach Intell 28(5):712
[17]
Marti U-V, Bunke H (2002) Using a statistical language model to improve the performance of an HMM-based cursive handwriting recognition system. World Scientific Publishing Co., River Edge, p 65
[18]
Seiler R, Schenkel M (1996) Off-line cursive handwriting recognition compared with on-line recognition. In: ICPR, p 505
[19]
Sagheer MW, He CL, Nobile N, Suen CY (2009) A new large Urdu database for off line handwriting recognition. In: Image analysis and processing ICIAP. Springer, Berlin, p 538
[20]
Ul-Hasan A, Bukhari SS, Rashid SF, Shafait F, Breuel TM (2012) Semi-automated OCR database generation for Nabataean scripts. In: ICPR 1667
[21]
Ahmed SB, Naz S, Razzak MI, Rashid SF, Afzal MZ, Breuel TM (2015) Evaluation of cursive and non-cursive scripts using recurrent neural networks. Neural Comput Appl 27(3):603---613
[22]
Al-Maadeed S, Elliman D, Higgins C (2002) A data base for Arabic handwritten text recognition research. In: Proceedings of the 8th international workshop on frontiers in handwriting recognition, p 485
[23]
Al-Ohali Y, Cheriet M, Suen C (2003) Databases for recognition of handwritten Arabic cheques. Pattern Recognit 36(1):111
[24]
Wang Y, Ding X, Liu C (2011) MQDF discriminative learning based offline handwritten Chinese character recognition. In: ICDAR. IEEE 1100
[25]
Graves A, Bunke H, Fernandez S, Liwicki M, Schmidhuber J (2008) Unconstrained online handwriting recognition with recurrent neural networks. In: Advances in neural information processing systems, p 577
[26]
Gers FA, Schmidhuber E (2001) LSTM recurrent networks learn simple context-free and context-sensitive languages. IEEE Trans Neural Netw 12(6):1333
[27]
Hochreiter S, Schmidhuber J (1997) Long short term memory. Neural Comput 9(8):1735
[28]
Graves A (2008) Supervised sequence labeling with recurrent neural networks. PhD thesis, 1-117, Technical University Munich
[29]
Mrgner V, El-Abed H (2008) Databases and competitions: strategies to improve Arabic recognition systems. In: Proceedings of the conference on Arabic and Chinese handwriting recognition, Springer, Berlin, p 82
[30]
Srihari S, Srinivasan, H, Babu, P, Bhole C (2005) Handwritten Arabic word spotting using the cedarabic document analysis system. In: Proceedings of the symposium on document image UNHDerstanding technology (SDIUT-05), p 123
[31]
Al-Ohali Y, Cheriet M, Suen C (2003) Databases for recognition of handwritten Arabic cheques. Pattern Recognit 36(1):111---121
[32]
Schlosser S (1995) Erim Arabic Database. Document Processing Research Program, Information and Materials Applications Laboratory, Environmental Research Institute of Michigan
[33]
Slimane F, Ingold R, Kanoun S, Alimi A, Hennebert J (2009) Database and evaluation protocols for Arabic printed text recognition. Technical Report 296-09-01. Department of Informatics, University of Fribourg
[34]
Mozaffari S, El-Abed H, Maergner V, Faez K, Amirshahi A (2008) A database of Farsi handwritten city names. IfN/Farsi-Database, p 24
[35]
Ziaratban M, Faez K, Bagheri F (2009) FHT: an unconstraint Farsi handwritten text database. In: Proceedings of the 10th international conference on document analysis and recognition, Catalonia, Spain, p 281
[36]
www.cle.org.pk/clestore/imagecorpora.htm. Accessed 23 June 2014
[37]
Ul-Hasan A, Bukhari SS, Rashid SF, Shafait F, Breuel TM (2012) Semi-automated OCR database generation for Nabataean scripts. In: ICPR, p 1667

Cited By

View all
  • (2023)Analysis of Cursive Text Recognition Systems: A Systematic Literature ReviewACM Transactions on Asian and Low-Resource Language Information Processing10.1145/359260022:7(1-30)Online publication date: 20-Jul-2023
  • (2023)Demystifying the Role of Natural Language Processing (NLP) in Smart City Applications: Background, Motivation, Recent Advances, and Future Research DirectionsWireless Personal Communications: An International Journal10.1007/s11277-023-10312-8130:2(857-908)Online publication date: 16-Mar-2023
  • (2023)CALText: Contextual Attention Localization for Offline Handwritten TextNeural Processing Letters10.1007/s11063-023-11258-555:6(7227-7257)Online publication date: 15-Apr-2023
  • Show More Cited By

Recommendations

Comments

Please enable JavaScript to view thecomments powered by Disqus.

Information & Contributors

Information

Published In

cover image Neural Computing and Applications
Neural Computing and Applications  Volume 31, Issue 4
April 2019
291 pages
ISSN:0941-0643
EISSN:1433-3058
Issue’s Table of Contents

Publisher

Springer-Verlag

Berlin, Heidelberg

Publication History

Published: 01 April 2019

Author Tags

  1. Cursive offline handwriting
  2. Optical character recognition
  3. Recurrent neural networks

Qualifiers

  • Article

Contributors

Other Metrics

Bibliometrics & Citations

Bibliometrics

Article Metrics

  • Downloads (Last 12 months)0
  • Downloads (Last 6 weeks)0
Reflects downloads up to 09 Feb 2025

Other Metrics

Citations

Cited By

View all
  • (2023)Analysis of Cursive Text Recognition Systems: A Systematic Literature ReviewACM Transactions on Asian and Low-Resource Language Information Processing10.1145/359260022:7(1-30)Online publication date: 20-Jul-2023
  • (2023)Demystifying the Role of Natural Language Processing (NLP) in Smart City Applications: Background, Motivation, Recent Advances, and Future Research DirectionsWireless Personal Communications: An International Journal10.1007/s11277-023-10312-8130:2(857-908)Online publication date: 16-Mar-2023
  • (2023)CALText: Contextual Attention Localization for Offline Handwritten TextNeural Processing Letters10.1007/s11063-023-11258-555:6(7227-7257)Online publication date: 15-Apr-2023
  • (2023)Computationally efficient recognition of unconstrained handwritten Urdu script using BERT with vision transformersNeural Computing and Applications10.1007/s00521-023-08976-135:34(24161-24177)Online publication date: 1-Dec-2023
  • (2023)Transformer-Based Neural Machine Translation for Post-OCR Error Correction in Cursive TextDocument Analysis and Recognition – ICDAR 2023 Workshops10.1007/978-3-031-41501-2_6(80-93)Online publication date: 21-Aug-2023
  • (2022)Comparative study on the performance of the state-of-the-art CNN models for handwritten Bangla character recognitionMultimedia Tools and Applications10.1007/s11042-022-13909-682:11(16929-16950)Online publication date: 2-Nov-2022
  • (2022)Recognition of offline handwritten Urdu characters using RNN and LSTM modelsMultimedia Tools and Applications10.1007/s11042-022-13320-182:2(2053-2076)Online publication date: 17-Jun-2022
  • (2022)A novel holistic unconstrained handwritten urdu recognition system using convolutional neural networksInternational Journal on Document Analysis and Recognition10.1007/s10032-022-00414-725:4(351-371)Online publication date: 1-Dec-2022
  • (2022)UOHTD: Urdu Offline Handwritten Text DatasetFrontiers in Handwriting Recognition10.1007/978-3-031-21648-0_34(498-511)Online publication date: 4-Dec-2022
  • (2021)Urdu Handwritten Characters Data Visualization and Recognition Using Distributed Stochastic Neighborhood Embedding and Deep NetworkComplexity10.1155/2021/43830372021Online publication date: 1-Jan-2021
  • Show More Cited By

View Options

View options

Figures

Tables

Media

Share

Share

Share this Publication link

Share on social media