Research report on Bengla OCR training and testing methods
Includes bibliographical references (page 6-7).
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Accès en ligne: | http://hdl.handle.net/10361/657 |
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10361-6572019-09-29T05:39:21Z Research report on Bengla OCR training and testing methods Hasnat, Md. Abul Center for Research on Bangla Language Processing (CRBLP), BRAC University Bangla language processing Bangla OCR Includes bibliographical references (page 6-7). In this paper we present the training and recognition mechanism of a Hidden Markov Model (HMM) based multi-font Optical Character Recognition (OCR) system for Bengali character. In our approach, the central idea is to separate the HMM model for each segmented character or word. The system uses HTK toolkit for data preparation, model training and recognition. The Features of each trained character are calculated by applying the Discrete Cosine Transform (DCT) to each pixel value of the character image where the image is divided into several frames according to its size. The extracted features of each frame are used as discrete probability distributions which will be given as input parameters to each HMM model. In the case of recognition, a model for each separated character or word is built up using the same approach. This model is given to the HTK toolkit to perform the recognition using the Viterbi Decoding method. The experimental results show significant performance over models using neural network based training and recognition systems. Md. Abul Hasnat 2010-10-28T04:03:53Z 2010-10-28T04:03:53Z 2007 2007 Technical report http://hdl.handle.net/10361/657 en 7 pages application/pdf BRAC University |
institution |
Brac University |
collection |
Institutional Repository |
language |
English |
topic |
Bangla language processing Bangla OCR |
spellingShingle |
Bangla language processing Bangla OCR Hasnat, Md. Abul Research report on Bengla OCR training and testing methods |
description |
Includes bibliographical references (page 6-7). |
author2 |
Center for Research on Bangla Language Processing (CRBLP), BRAC University |
author_facet |
Center for Research on Bangla Language Processing (CRBLP), BRAC University Hasnat, Md. Abul |
format |
Technical report |
author |
Hasnat, Md. Abul |
author_sort |
Hasnat, Md. Abul |
title |
Research report on Bengla OCR training and testing methods |
title_short |
Research report on Bengla OCR training and testing methods |
title_full |
Research report on Bengla OCR training and testing methods |
title_fullStr |
Research report on Bengla OCR training and testing methods |
title_full_unstemmed |
Research report on Bengla OCR training and testing methods |
title_sort |
research report on bengla ocr training and testing methods |
publisher |
BRAC University |
publishDate |
2010 |
url |
http://hdl.handle.net/10361/657 |
work_keys_str_mv |
AT hasnatmdabul researchreportonbenglaocrtrainingandtestingmethods |
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