A TWO-STEP METHOD FOR OFFLINE HANDWRITTEN FARSI WORD RECOGNITION USING ADAPTIVE DIVISION OF GRADIENT IMAGE

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BAYESTEH ELHAM; AHMADY FARD ALIREZA; KHOSRAVI HOSSEIN

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Journal: SIGNAL AND DATA PROCESSING Year:2015 | Volume:- | Issue:3 (SERIAL 25) Page(s): 15-29

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Information Journal Paper

Title

A TWO-STEP METHOD FOR OFFLINE HANDWRITTEN FARSI WORD RECOGNITION USING ADAPTIVE DIVISION OF GRADIENT IMAGE

Author(s)

BAYESTEH ELHAM | AHMADY FARD ALIREZA | KHOSRAVI HOSSEIN | Issue Writer Certificate

Keywords

HANDWRITTEN WORD RECOGNITIONQ2

ISOLUS CLUSTERING ALGORITHMQ2

DTW ALGORITHMQ2

PROFILE FEATUREQ2

GRADIENT HISTOGRAM FEATUREQ2

Abstract

This paper presented a two-step method for offline handwritten Farsi word recognition. In first step, in order to improve the recognition accuracy and speed, an algorithm proposed for initial eliminating lexicon entries unlikely to match the input image. For lexicon reduction, the words of lexicon are clustered using ISOCLUS and Hierarchal clustering algorithm. Clustering is based on the features that describe the shape of word generally. In second step, a new method proposed to extract histogram of gradient image which this showed well the correspondence between different samples of handwritten word images. The gradient feature vectors of input words are compared with gradient feature vectors of candidate words using K nearest neighbor classifications.The recognition result on handwritten words of IRANSHAR dataset showed that the lexicon reduction step and the new method of extracting gradient feature increased recognition accuracy and speed by removing classifier confusion.

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APA: Copy

BAYESTEH, ELHAM, AHMADY FARD, ALIREZA, & KHOSRAVI, HOSSEIN. (2015). A TWO-STEP METHOD FOR OFFLINE HANDWRITTEN FARSI WORD RECOGNITION USING ADAPTIVE DIVISION OF GRADIENT IMAGE. SIGNAL AND DATA PROCESSING, -(3 (SERIAL 25)), 15-29. SID. https://sid.ir/paper/160867/en

Vancouver: Copy

BAYESTEH ELHAM, AHMADY FARD ALIREZA, KHOSRAVI HOSSEIN. A TWO-STEP METHOD FOR OFFLINE HANDWRITTEN FARSI WORD RECOGNITION USING ADAPTIVE DIVISION OF GRADIENT IMAGE. SIGNAL AND DATA PROCESSING[Internet]. 2015;-(3 (SERIAL 25)):15-29. Available from: https://sid.ir/paper/160867/en

IEEE: Copy

ELHAM BAYESTEH, ALIREZA AHMADY FARD, and HOSSEIN KHOSRAVI, “A TWO-STEP METHOD FOR OFFLINE HANDWRITTEN FARSI WORD RECOGNITION USING ADAPTIVE DIVISION OF GRADIENT IMAGE,” SIGNAL AND DATA PROCESSING, vol. -, no. 3 (SERIAL 25), pp. 15–29, 2015, [Online]. Available: https://sid.ir/paper/160867/en

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