An HMM-based OCR for Persian/Arabic texts

被引:0
|
作者
Ahmadi, A [1 ]
Omatu, S [1 ]
Yoshioka, M [1 ]
机构
[1] Osaka Prefecture Univ, Div Comp & Syst Sci, Dept Engn, Sakai, Osaka 5998531, Japan
关键词
OCR; Persian; Arabic; HMM; character recognition; word recognition;
D O I
暂无
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
We present a system for recognition of Persian/Arabic texts using hidden Markov model (HMM) in the character level classification. The text is segmented to words at first and from words to characters. A Shadow coding mask are used for extracting the features of characters. Then a Self-Organization Map is employed for clustering the features and reducing the size of inputs. Finally by using the MW classifier and a level building algorithm the words will be composed through recognized characters, The system is evaluated with 10 pages of Persian printed texts and the mean correct classification rate is 95.1% in word level and 99.4% in character level.
引用
收藏
页码:824 / 828
页数:5
相关论文
共 50 条
  • [41] Tunable HMM-based devices for integrated photonics
    Janaszek, B.
    Tyszka-Zawadzka, A.
    Szczepanski, P.
    [J]. 2017 IEEE PHOTONICS SOCIETY SUMMER TOPICAL MEETING SERIES (SUM), 2017, : 73 - 74
  • [42] HMM-Based Speech Synthesis for the Greek Language
    Karabetsos, Sotiris
    Tsiakoulis, Pirros
    Chalamandaris, Aimilios
    Raptis, Spyros
    [J]. TEXT, SPEECH AND DIALOGUE, PROCEEDINGS, 2008, 5246 : 349 - 356
  • [43] Peripheral features for HMM-based speech recognition
    Fukuda, T
    Takigawa, M
    Nitta, T
    [J]. 2001 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, VOLS I-VI, PROCEEDINGS: VOL I: SPEECH PROCESSING 1; VOL II: SPEECH PROCESSING 2 IND TECHNOL TRACK DESIGN & IMPLEMENTATION OF SIGNAL PROCESSING SYSTEMS NEURALNETWORKS FOR SIGNAL PROCESSING; VOL III: IMAGE & MULTIDIMENSIONAL SIGNAL PROCESSING MULTIMEDIA SIGNAL PROCESSING - VOL IV: SIGNAL PROCESSING FOR COMMUNICATIONS; VOL V: SIGNAL PROCESSING EDUCATION SENSOR ARRAY & MULTICHANNEL SIGNAL PROCESSING AUDIO & ELECTROACOUSTICS; VOL VI: SIGNAL PROCESSING THEORY & METHODS STUDENT FORUM, 2001, : 129 - 132
  • [44] An HMM-Based Recognition Framework for Endovascular Manipulations
    Zhou, Xiao-Hu
    Bian, Gui-Bin
    Xie, Xiao-Liang
    Hou, Zeng-Guang
    [J]. 2017 39TH ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY (EMBC), 2017, : 3393 - 3396
  • [45] A BAYESIAN APPROACH TO HMM-BASED SPEECH SYNTHESIS
    Hashimoto, Kei
    Zen, Heiga
    Nankaku, Yoshihiko
    Masuko, Takashi
    Tokuda, Keiichi
    [J]. 2009 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, VOLS 1- 8, PROCEEDINGS, 2009, : 4029 - +
  • [46] Hmm-based system for transcribing Chinese handwriting
    Su, Tong-Hua
    Zhang, Tian-Wen
    Qiu, Zhao-Wen
    [J]. PROCEEDINGS OF 2007 INTERNATIONAL CONFERENCE ON MACHINE LEARNING AND CYBERNETICS, VOLS 1-7, 2007, : 3412 - +
  • [47] An HMM-based framework for video semantic analysis
    Xu, G
    Ma, YF
    Zhang, HJ
    Yang, SQ
    [J]. IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY, 2005, 15 (11) : 1422 - 1433
  • [48] An HMM-based Vietnamese Speech Synthesis System
    Vu, Thang Tat
    Luong, Mai Chi
    Nakamura, Satoshi
    [J]. ORIENTAL COCOSDA 2009 - INTERNATIONAL CONFERENCE ON SPEECH DATABASE AND ASSESSMENTS, 2009, : 116 - +
  • [49] An HMM-based Cantonese Speech Synthesis System
    Wang, Xin
    Wu, Zhiyong
    [J]. 2012 IEEE GLOBAL HIGH TECH CONGRESS ON ELECTRONICS (GHTCE), 2012,
  • [50] HMM-based concept learning for a mobile robot
    Squire, Kevin M.
    Levinson, Stephen E.
    [J]. IEEE TRANSACTIONS ON EVOLUTIONARY COMPUTATION, 2007, 11 (02) : 199 - 212