PERSIAN HANDWRITTEN WORD RECOGNITION BY LOG-POLAR TRANSFORM AND HIDDEN MARKOV MODEL

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NADALINIA CHARI GH.R.; YAGHMAIE K.; FAZLOLLAHI AGHAMALEK H.; RAZAVI S.M.

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Journal: NASHRIYYAH -I MUHANDISI -I BARQ VA MUHANDISI -I KAMPYUTAR -I IRAN, B- MUHANDISI -I KAMPYUTAR Year:2014 | Volume:11 | Issue:2 Page(s): 103-110

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Title

PERSIAN HANDWRITTEN WORD RECOGNITION BY LOG-POLAR TRANSFORM AND HIDDEN MARKOV MODEL

Author(s)

NADALINIA CHARI GH.R. | YAGHMAIE K. | FAZLOLLAHI AGHAMALEK H. | RAZAVI S.M. | Issue Writer Certificate

Keywords

LOG-POLAR TRANSFORMQ2

HIDDEN MARKOV MODEL (HMM)Q2

PERSIAN HANDWRITTEN WORD RECOGNITIONQ2

Abstract

In this paper a recognition system for Persian words is introduced which utilizes the local higher order of the log-polar image autocorrelation for feature extraction of Persian sub-words. This feature extraction technique brings up leads to system robustness in cases of writing variations alteration like scaled or rotated handwritings. Also using the LOG-POLAR TRANSFORM, the sub-word image sampling will be performed so that most of acquired samples will be centered in a certain area. The proposed method uses the discrete Hidden Markov’s Model (HMM) as a classifier. Furthermore a net of dictionaries were employed to increase the reliability and precision of the system output. Finally, the Iran-Shahr database is utilized to evaluate the system performance. Comparing the results of the proposed method and other previous methods, proves that a less sensitivity has been achieved by the proposed method about handwriting variations.

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APA: Copy

NADALINIA CHARI, GH.R., YAGHMAIE, K., FAZLOLLAHI AGHAMALEK, H., & RAZAVI, S.M.. (2014). PERSIAN HANDWRITTEN WORD RECOGNITION BY LOG-POLAR TRANSFORM AND HIDDEN MARKOV MODEL. NASHRIYYAH -I MUHANDISI -I BARQ VA MUHANDISI -I KAMPYUTAR -I IRAN, B- MUHANDISI -I KAMPYUTAR, 11(2), 103-110. SID. https://sid.ir/paper/228479/en

Vancouver: Copy

NADALINIA CHARI GH.R., YAGHMAIE K., FAZLOLLAHI AGHAMALEK H., RAZAVI S.M.. PERSIAN HANDWRITTEN WORD RECOGNITION BY LOG-POLAR TRANSFORM AND HIDDEN MARKOV MODEL. NASHRIYYAH -I MUHANDISI -I BARQ VA MUHANDISI -I KAMPYUTAR -I IRAN, B- MUHANDISI -I KAMPYUTAR[Internet]. 2014;11(2):103-110. Available from: https://sid.ir/paper/228479/en

IEEE: Copy

GH.R. NADALINIA CHARI, K. YAGHMAIE, H. FAZLOLLAHI AGHAMALEK, and S.M. RAZAVI, “PERSIAN HANDWRITTEN WORD RECOGNITION BY LOG-POLAR TRANSFORM AND HIDDEN MARKOV MODEL,” NASHRIYYAH -I MUHANDISI -I BARQ VA MUHANDISI -I KAMPYUTAR -I IRAN, B- MUHANDISI -I KAMPYUTAR, vol. 11, no. 2, pp. 103–110, 2014, [Online]. Available: https://sid.ir/paper/228479/en

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