BAGHER BABAALI

babaali@ce.sharif.edu

 

 Objective:

 

Acquiring a Ph.D. degree in Computer Science and working in a research group on the Statistical Pattern Recognition and Signal Processing. Having a position as a researcher in a good academic department.

 

 EDUCATION:

 

PhD. in Artificial intelligence, 2004 Now

  • Sharif University of Technology - Tehran, Iran
  • Supervisor : Dr. H. Sameti

 

M.S. in Artificial intelligence, 2001-2004

  • Sharif University of Technology - Tehran, Iran
  • Thesis: Incorporating Pruning techniques for improving the performance of an HMM-Based Continuous Speech  Recognizer, under supervision of Dr. H. Sameti
  • GPA: 17.83/20

 

B.S. in Computer Engineering, specialization in Hardware, 1996-2001

  • Shiraz University - Shiraz, Iran
  • Thesis: Design and developing a database for educational services of Shiraz University, under supervision of Professor S.D. Katebi.
  • GPA: 15.01/20

 

High School Diploma in Mathematics and Physics, 1992-1996

  • Borazjan-Iran
  • GPA: 18.89/20

 

 Field of interest:

 

  • Statistical Pattern Recognition special in Speech Recognition
  • Statistical Signal Processing special in Speech Processing
  • Soft-Computing
  • Biometric  Systems

 

 Post-Grad Courses:

 

  • Digital Signal Processing,
  • Statistical Pattern Recognition
  • Machine Learning
  • Speech Processing
  • Speech Recognition
  • Image Processing
  • Machine Vision
  • Natural Language Processing
  • Neural Network
  • Fuzzy Set and Systems
  • Evolutionary Computing

 

 EXPERIENCE:

 

Teaching Experience :

  • Payame Noor University (2005-Now): As an instructor for Computer Programming (Pascal), Advanced Programming(C), Logic Circuit and computer Architecture Bushehr, Iran.

 

  • Imam Ali University (2003-2004): As an instructor for Computer Programming, Tehran, Iran.

 

  • Shiraz University (During B.S. Degree) : As a Teacher 's assistance of official courses : Computer programming, Theory of Language and Automata,

 

  • Sharif University of Technology (During B.S. Degree) : As a Teacher 's assistance of official courses : Speech Processing, Speech Recognition,

 

Research Experience :

  • Sharif Speech Lab (October 2002-Now): As a Researcher, Sharif university of Technology, Tehran, Iran.

1. Developing a Persian Speaker-Independent Large Vocabulary Speech Recognition System.

2. Search and Pruning methods in the CSR system.

3. Grammatical and Statistical Language models is the CSR System.

4. Telephony connected digit recognition.

5. Command-based speech recognition.

6. Voice Activity Detection for Speech Recognition Systems.

7. Distant-Talking Speech Recognition using the Microphone Array.

8. Confidence Measure and Out of Vocabulary detection in IWR system.

9. A HMM-based Keyword Spotting System.

10. Telephony Isolated Digit Recognition using SVM.

11. Speaker Adaptation using MLLR and MAP methods.

12.Model based Robust Speech Recognition usingPMC.

13.Feature based Robust Speech recognition using CMS and PCA.

14.Speaker Normalization using VTLN.

15.Speech Enhancement using Spectral Subtraction and Wiener filter.

16.Discriminative training using Evolutionary Computing Methods

17.HMM Initialization using VQ methods.

18.Fast Likelihood Computation Using Gaussian Selection and Bucket Box Intersection(BBI)  methods.

19. A  Auto Attendant System for Sharif University 

 

 

Work Experience :

 

  • ASR GooyeshPardaz (August 2003-Now): As a Research Engineer, Tehran, Iran.
  • Computer Department of Sharif University(Fall & Winter 2003) : As a Network Administrator, Tehran, Iran
  • Hyundai Company (Summer 2001): As a Computer Engineer, Assaluyeh, Bushehr, Iran.
  • Computing Center of Shiraz University (Summer 2000): As a Delphi Programmer, Shiraz, Iran.

 

 

 

 

COMPUTER

SKILLS:

 
Languages:

C/C++

Visual C++

Java

Pascal

Delphi

  

 Tools/Web:

 

    Ms Office

    Matlab

 OS: 

 

  Dos, Windows series

    Familiar with Linux

 

Publications: 

 

Conference Paper :

  1. Babaali B., Sameti H., "The Sharif Speaker-Independent Large Vocabulary Speech Recognition System", The 2nd Workshop on Information Technology & Its Disciplines (WITID 2004), Feb. 24-26, 2004, Kish Island, Iran.
  2. Babaali B., Bagheri M.R, Hosseinzadeh  Kh., Bahrani M., sameti H., "A phoneme to word decoder based on lexicon tree for Persian speech recognition", 10th Annual Computer Society of Iran Computer Conference (CSICC), Tehran-Iran, 2005.
  3. Sameti H., Movasagh H., Babaali B., Bahrani M., Hosseinzadeh K., Fazel Dehkordi A., Abutalebi H. R., Veisi H., Mokri Y., Motazeri N., Nezami Ranjbar M., "Large Vocabulary Persian Speech Recognition System", The 1st workshop on Persian language and computer, Tehran, Iran,  May 25-26 2004. (in Persian)
  4. Bahrani M., Babaali B., "Solving Traveling Salesman Problem by PSO", 5th Conference on Intelligent Systems, October 14-16, 2003, Mashhad, Iran.
  5. Halavati R., Bagheri Shouraki S., Sameti H., Harati Zadeh S., Babaali B., "A Novel Noise Immune Speech Recognition Approach", 11th IFSA World Congress, Beijing, China, 2005. - BEST STUDENT PAPER
  6. Babaali B., Bahrani M., "Telephony Isolated Digit Recognition using Support Vector Machine", The 7th Conference of Intelligence Systems, Tehran-Iran, 2005.
  7. Bahrani M., Babaali B.  "Incorporating Phoneme Language model in the Farsi Continuous Speech Recognition", The 7th Conference of Intelligence Systems, Tehran-Iran, 2005.
  8. M. Safayani, B. Babaali, H. Sameti, H.R. Abutalebi, " Experiments of Distant Talking Command Speech Recognition Based on a Microphone Array and Robustness Methods ", IEEE International Conference on Information & Communication Technologies, from Theory to Applications (ICTTA), April 2006.
  9. H. Veisi, H. Sameti, B. Babaali, Kh. Hosseinzadeh and M. T. Manzuri, "Improving the Robustness of Persian Large Vocabulary Continuous Speech Recognition System for Real Applications", IEEE International Conference on Information & Communication Technologies, from Theory to Applications (ICTTA), April 2006.
  10. Saman Vaisipour, Bagher Babaali, Hossien Sameti, "Estimating Confidence Measure for detecting OOV words in a Persian Isolates word Recognizer ", 2nd Workshop on Persian Language and Computer, Tehran, Iran, June 2006 (In Persian).
  11. Sajedi H., Babaali B., Sameti H., "Incorporating the Genetic algorithm techniques in the training process of a Speech Recognition System", The 2nd workshop on Persian language and computer, Tehran, Iran, 2006 page 448-456. (in Persian)
  12. Safayani M., Babaali B., Sameti H., "Distant-Talking Speech Recognition Using Microphone Array". The 2nd workshop on Persian language and computer, Tehran, Iran, 2006 page 423-433. (in Persian)
  13. Saman Vaisipour, Bagher Babaali, Hossien Sameti, "A Rescoring Method for Detecting Out of Vocabulary words in Isolated Word Recognizers", 13th International Conference on Systems, Signals and Image processing, Budapest, Hungary, September 2006.
  14. Saman Vaisipour, Bagher Babaali, Hossien Sameti, "Evaluating Different Methods of Out of Vocabulary Words Detection In Isolated Word Recognizers", IEEE International Symposium on Multimedia (ISM2006), California, USA, December 2006 (Submitted).
  15. Saman Vaisipour, Bagher Babaali, Hossein Sameti, "Using and Evaluating a New Confidence Measure in Phoneme-Based Isolated Word Recognizers", IEEE/ACL Workshop on Spoken Language Technology (SLT), Aruba, December 2006 (Submitted).
  16. Saman Vaisipour, Bagher Babaali, Hossein Sameti, "Extracting a new kind of confidence measure based on competition between hypotheses", IEEE/ACL Workshop on Spoken Language Technology (SLT), Aruba, December 2006 (Submitted).
  17. M. Safayani, B. Babaali, H. Sameti, "Difference Likelihood Adaptive Multi-band Spectral Subtraction", -to be appear-

Technical Report :

  1. Persian Continuous Speech Recognition Project Report No.1-1, Reported to Ministry of Industrial and Mines Department for High Tech Industrials, Tehran-Iran, November 2003.
  2. Persian Continuous Speech Recognition Project Report No.1-2, Reported to Ministry of Industrial and Mines Department for High Tech Industrials, Tehran-Iran, April 2004.
  3. Persian Continuous Speech Recognition Project Report No.2-1, Reported to Ministry of Industrial and Mines Department for High Tech Industrials, Tehran-Iran, October 2005. 

 

AWARDS & HONORS:

 

  • 18th ranked in Iran National Graduate Studies Entrance Examination, 2001.
  • Ranked 1st in PhD. Entrance exam in Sharif University, Computer Engineering Department, May 2004.

 

References: 

 

Dr. H. Sameti,                                                                      

Assistant Professor,                                              

      CE. Dept., Sharif University Of Technology,       

      Email : Sameti@sharif.edu

 

  • Dr. S.D. Katebi                                                                     
  • Professor,

             CSE. Dept., Shiraz University,  

             Email : Katebi@shirazu.ac.ir

 

  • Dr. M.T. Manzuri,                                                                   
  • Assistant Professor,                                           

             CE. Dept., Sharif University Of Technology,    

             Email :Manzuri@sharif.edu

 

  • Dr. H. Beigy,                                                                       
  • Assistant Professor,                                               

            CE. Dept., Sharif University Of Technology,        

            Email : Beigy@ce.sharif.edu