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On-line Hindi handwritten character recognition for mobile devices

Published: 03 August 2012 Publication History

Abstract

Online handwriting recognition systems have been developed for various character sets. Despite that, very less attempt has been made to build an online handwriting recognition system for Indian languages. We present an online handwritten isolated character recognition system for an Indian language, Hindi, for mobile devices. Developing an online handwriting recognition system for Hindi character set to mobile devices would play an important role in making these devices available and usable for the Indian society. In this paper, we present a model for writer-independent online handwriting character recognition for the 49 basic Hindi characters. The proposed system is implemented on mobile device using two different approaches namely Principal Component Analysis (PCA) and Dynamic Time Wrapping (DTW). To find the suitability of these two approaches for handheld devices several experiments were conducted and detailed analysis has been made on the obtained results. The results obtained for PCA approach is quite promising than DTW. On an average, recognition accuracy up to 86% is achieved for the PCA approach and up to 66% is achieved for DTW approach, also the time taken for recognition of unknown character is around 0.8sec for PCA approach, and around 51sec for DTW approach, thus the PCA approach is suitable for real-time applications.

References

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Homayoon S. M. Beigi, Krishna Nathan, Gregory J. Clary, Jayashree Subrahmonia, "Challenges of Handwriting Recognition in Farse, Arabic and other languages with Similar Writing Styles -- An Online Digit Recognizer", T. J. Watson Research Center, IBM
[2]
Deneen, L., "Handheld PDAs and Wearable Computing Devices",at http://www.educause.edu/ir/library/pdf/DEC0101.pdf
[3]
Srinivasa Rao Kunte, R, Sudhaker Samuel, R D "On-line character recognition for handwritten Kannada characters using wavelet features and neural classifier" IETE J RES. Vol. 46, no. 5, pp. 387--392. 2000.
[4]
M. Sridhar, D. Mandalapu, and M. Patel. "Active- DTW: A generative classier that combines elastic matching with active shape modeling for online handwritten character recognition". International Conference on Frontiers in Handwriting Recognition, 99(7):1.100, November 1999.
[5]
Niranjan Joshi, G. Sita, A. G. Ramakrishnan and S. Madhvanath, " Comparison of elastic matching algorithms for online Tamil handwritten character recognition", In Proc. IWFHR-9, Tokyo, Japan, Oct. 26-29, pp. 444--449, 2004.
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Hiroto Mitoma, Seiichi Uchida, and Hiroaki Sakoe, "Online Character Recognition Based on Elastic Matching and Quadratic Discrimination", Kyushu University, Japan, 2005.
[7]
Shlens, J. "A Tutorial on Principal Component Analysis: Derivation, Discussion, and Singular Value Decomposition". Online Notes: http://www.snl.salk.edu/~shlens/notes.html, 2006.
[8]
Stan Salvador and Philip Chan "FastDTW: Toward Accurate Dynamic Time Warping inLinear Time and Space" 2004.

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ICACCI '12: Proceedings of the International Conference on Advances in Computing, Communications and Informatics
August 2012
1307 pages
ISBN:9781450311960
DOI:10.1145/2345396
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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  • ISCA: International Society for Computers and Their Applications
  • RPS: Research Publishing Services

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 03 August 2012

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Author Tags

  1. DTW
  2. Hindi character recognition
  3. PCA
  4. character recognition
  5. handwriting recognition
  6. online handwriting recognition
  7. pattern recognition

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ICACCI '12
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  • RPS

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  • (2023)Feature Selection Approaches in Online Bangla Handwriting RecognitionComputational Intelligence in Communications and Business Analytics10.1007/978-3-031-48879-5_19(245-258)Online publication date: 30-Nov-2023
  • (2021)A Case Study on Handwritten Indic Script Classification: Benchmarking of the Results at Page, Block, Text-line, and Word LevelsACM Transactions on Asian and Low-Resource Language Information Processing10.1145/347610221:2(1-36)Online publication date: 3-Nov-2021
  • (2018)Multi-layer Classification Approach for Online Handwritten Gujarati Character RecognitionComputational Intelligence: Theories, Applications and Future Directions - Volume II10.1007/978-981-13-1135-2_45(595-606)Online publication date: 2-Sep-2018
  • (2017)Personalized Hand Writing Recognition Using Continued LSTM Training2017 14th IAPR International Conference on Document Analysis and Recognition (ICDAR)10.1109/ICDAR.2017.44(218-223)Online publication date: Nov-2017
  • (2014)Stroke Level User-Adaptation for Stroke Order Free Online Handwriting Recognition2014 14th International Conference on Frontiers in Handwriting Recognition10.1109/ICFHR.2014.50(250-255)Online publication date: Sep-2014
  • (2012)On-line handwritten character recognition system for Kannada using Principal Component Analysis Approach: For handheld devices2012 World Congress on Information and Communication Technologies10.1109/WICT.2012.6409161(675-678)Online publication date: Oct-2012

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