Faculty At Electronics And Communication Department



Gayadhar Pradhan
Gayadhar Pradhan
Associate Professor & H.O.D
Basic Information Research Interest:-Speech Processing, Speaker and Language Recognition, Speech Recognition, Biomedical Signal Processing.
Email :- gdp@nitp.ac.in
Phone :-301

Subjects Teaching in Department
  1. Voice and Video Processing (UG)
  2. Signals and System Analysis (UG)
  3. Speech Processing and Applications (PG)
  4. Probability, Random Variables and Stochastic Processes(PG)
Educational Qualification
  1. Ph. D. - Indian Institute of Technology Guwahati
  2. M. Tech - Indian Institute of Technology Guwahati
    Memberships & Society
    1. International Speech Communication Association(ISCA)
    2. IEEE Signal Processing Society
      Current Administrative Responsibility
      1. Head of the Department, ECE
        Past Administrative Responsibility
        1. Ph.D Program Coordinator Department of ECE
        2. PI, Computer Centre
          Work Experiences
          1. Eleven Years (Teaching)
          2. Four Years (Research)
            Journals
            1. P. Singh and G. Pradhan, Variational mode decomposition based ECG denoising using non-local means and wavelet domain filtering. Australasian Physics and Engineering Sciences in Medicine (Springer). - 2018,(Accepted).
            2. N. Srinivas, G. Pradhan and P. K. Kumar, An Efficient Hardware Architecture for Detection of Vowel-Like Regions in Speech Signal. Integration the VLSI Journal (Elsevier). - 2018,(Accepted).
            3. S. Shahnawazuddin, N. Adiga, H. K Kathania, G. Pradhan and R. Sinha, Studying the Role of Pitch-Adaptive Spectral Estimation and Speaking-Rate Normalization in Automatic Speech Recognition. Digital Signal Processing (Elsevier). 79, August - 2018,142-151, .
            4. A. Kumar and G. Pradhan, Detection of Vowel Onset and Offset Points Using Non-Local Similarity Between DWT Approximation Coefficients. IET Electronics Letters. 54(11), May - 2018,722-724, .
            5. S. Shahnawazuddin, C. Singh, H. K. Kathania, W. Ahmad and G. Pradhan, An Experimental Study on the Significance of Variable Frame-Length and Overlap in the Context of Children’s Speech Recognition. Circuits, Systems and Signal Processing (Springer). , May - 2018,1-21, .
            6. P. Singh, S. Shahnawazuddin and G. Pradhan, An Efficient ECG Denoising Technique based on Non-local Means Estimation and Modified Empirical Mode Decomposition. Circuits, Systems and Signal Processing (Springer). , February - 2018,1-21, .
            7. P. Singh, G. Pradhan and S. Shahnawazuddin, Denoising of ECG signal by non-local estimation of approximation coefficients in DWT. Biocybernetics and Biomedical Engineering (Elsevier). 37, June - 2017,599-610, .
            8. S. Shahnawazuddin, R. Sinha and G. Pradhan, Pitch-Normalized Acoustic Features for Robust Children’s Speech Recognition. IEEE Signal Processing Letters. 24(8), August - 2017,1128- 1132, .
            9. A. Kumar, S. Shahnawazuddin and G. Pradhan, Improvements in the Detection of Vowel On- set and Offset Points in a Speech Sequence. Circuits, Systems and Signal Processing (Springer). 36(6), June - 2016,2315-2340, .
            10. G. Pradhan and S. R. M. Prasanna, Speaker verification by vowel and nonvowel like seg- mentation. IEEE Trans. Audio, Speech and Language Processing. 21(4), April - 2013,854-867, .
            11. Haris B. C, G. Pradhan, A. Misra, S. R. M. Prasanna, R. K. Das, and R. Sinha, Multivariability speaker recognition database in Indian scenario. International Journal of Speech Technology (Springer). 15, March - 2012,441-453, .
            12. G. Pradhan, Haris B. C, S. R. M. Prasanna, and R. Sinha, Speaker verification in sensor and acoustic environment mismatch conditions. International Journal of Speech Techno- logy (Springer). 15, June - 2012,381-392, .
            13. G. Pradhan and S. R. M. Prasanna, Speaker verification under degraded condition : a perceptual study. International Journal of Speech Technology (Springer). 14(4), October - 2011,405- 417, .
            14. S. R. M. Prasanna and G. Pradhan, Significance of Vowel-Like Regions for Speaker Verification under Degraded Condition. IEEE Trans. Audio, Speech, and Language Processing. 19(8), Novmber - 2011,2552-2565, .
              International Conferences
              1. I. C. Yadav, A. Kumar, S. Shahnawazuddin, G. Pradhan, Non-Uniform Spectral Smoothing for Robust Children’s Speech Recognition, Interspeech.  Hyderabad, India,September - 2018, (Accepted).
              2. S. Sakshi, A. Kumar, G. Pradhan,, Analysis of Variational Mode Functions for Robust Detection of Vowels, Interspeech.  Hyderabad, India,September - 2018, (Accepted).
              3. N. Srinivas, G. Pradhan and S Shahnawazuddin, Enhancement of Noisy Speech Signal by Non-Local Means Estimation of Variational Mode Functions, Interspeech.  Hyderabad, India,September - 2018, (Accepted).
              4. A. Kumar, S. Shahnawazuddin and G. Pradhan, Detection of Vowel Offset Points Using Non-Local Similarity Between Speech Samples, International Conference on Signal Processing and Communications (SPCOM).  Bangalore, India,July - 2018, .
              5. B. T. Sai, I. C. Yadav, S. Shahnawazuddin and G. Pradhan, Enhancing Pitch Robustness of Speech Recognition System Through Spectral Smoothing, International Conference on Signal Processing and Communications (SPCOM).  Bangalore, India,July - 2018, .
              6. Ramarao D., C. Singh, S. Shahnawazuddin, N. Adiga and G. Pradhan, Detecting Developmental Dysphasia in Children Using Speech Data, International Conference on Signal Processing and Communications (SPCOM).  Bangalore, India,July - 2018, .
              7. S. Shahnawazuddin, H. Kathania, C. Singh, W. Ahmad and G. Pradhan, Exploring the Role of Speaking-Rate Adaptation on Children’s Speech Recognition, International Conference on Signal Processing and Communications (SPCOM).  Bangalore, India,July - 2018, .
              8. P. Singh and G. Pradhan, Exploring the Non-Local Similarity Present in Variational Mode Functions for Effective ECG Denoising, International Conference on Acoustics, Speech and Signal Processing (ICASSP).  Calgary, Alberta, Canada,April - 2018, .
              9. I. C. Yadav, S. Shahnawazuddin, D. Govind and G. Pradhan, Spectral Smoothing by Variational Mode Decomposition and its Effect on Noise and Pitch Robustness of ASR System, International Conference on Acoustics, Speech and Signal Processing (ICASSP).  Calgary, Alberta, Canada,April - 2018, .
              10. P. Singh and G. Pradhan, Significance of Non-Local Means Estimation in DWT Based ECG Signal Denoising, International Conference on Signal Processing and Integrated Networks (SPIN).  Noida, India,February - 2018, .
              11. Pratik, S. Shahnawazuddin and G. Pradhan, Significance of Modified Empirical Mode Decomposition for ECG Denoising, Engineering in Medicine and Biology Society (EMBC).  2956-2959, ,July - 2017, .
              12. A. Kumar, S. Shahnawazuddin and G. Pradhan, Non-Local Estimation of Speech Signal for Vowel Onset Point Detection in Varied Environments, Interspeech.  429-433, Stockholm, Sweden,August - 2017, .
              13. G. Pradhan, A. Kumar and S. Shahnawazuddin, Excitation Source Features for Improving the Detection of Vowel Onset and Offset Points in a Speech Sequence, Interspeech.  1884-1888., Stockholm, Sweden,August - 2017, .
              14. W. Ahmad, S. Shahnawazuddin, H. K. Kathania, G. Pradhan and A. B. Samaddar, Improving Children’s Speech Recognition through Explicit Pitch Scaling based on Iterative Spectrogram Inversion, Interspeech.  2391-2395, Stockholm, Sweden,August - 2017, .
              15. Nagapuri Srinivas, Gayadhar Pradhan, Puli Kishore Kumar, Low Latency Architecture Design and Implementation for Short-Time Fourier Transform Algorithm on FPGA, International Conference on Microwaves, Antennas, Communications and Electronic Systems (COMCAS).  Tel Aviv, Israel,November - 2017, .
              16. A. Verma, Pratik and G. Pradhan, Electrocardiogram Denoising using Wavelet Decomposition and EMD domain filtering, TENCON.  2185-2189, ,November - 2016, .
              17. A. Kumar, S. Shahnawazuddin and G. Pradhan, Noise Robustness of Different Front-end Features for Detection of Vowels in Speech Signals, TENCON.  926-929, ,November - 2016, .
              18. H. Kathania, S. Shahnawazuddin, G. Pradhan and A. B. Samaddar, Experiments on Children’s Speech Recognition under Acoustically Mismatched Conditions, TENCON.  3014-3017, ,November - 2016, .
              19. S Shahnawazuddin, Deepak K. T., G. Pradhan and Rohit Sinha, Enhancing Noise and Pitch Robustness of Children’s ASR, International Conference on Acoustics, Speech and Signal Processing (ICASSP).  New Orleans,March - 2016, .
              20. Haris B. C, G. Pradhan, R. Sinha and S. R. M. Prasanna, The IITG Speaker Verification System for NIST SRE 2012, International Conference on Acoustics, Speech and Signal Processing (ICASSP).  Vancouver, Canada,May - 2013, .
              National Conferences
              1. A. Kumar, S. Shahnawazuddin and G. Pradhan, Exploring Different Acoustics Modeling Techniques for the Detection of Vowels in Speech Signal, National Conference on Communications.  Indian Institute of Technology Guwahati, Guwahati, India,March - 2016, .
              2. Ramesh K, G. Pradhan, and S. R. M. Prasanna, Analysis of Glottal Signals for Speaker Information, National Conference on Communications.  Indian Institute of Technology Delhi, Delhi, India,February - 2013, .
              3. Haris B. C, G. Pradhan, A. Misra, S. Shukla, R. Sinha, and S. R. M. Prasanna, Multi- variability speech database for robust speaker recognition, National Conference on Communications.  Indian Institute of Science, Bangalore, India,January - 2011, .
              4. G. Pradhan and S. R. M. Prasanna, Significance of Speaker Information in Wideband Speech, National Conference on Communications.  Indian Institute of Science, Banga- lore, India,January - 2011, .
              5. G. Pradhan and S. R. M. Prasanna, Speaker verification under degraded condition using vowel and non-vowel like regions, Centenary Conference, Electrical Engineering.  Indian Institute of Science, Bangalore, India,December - 2011, .
              Projects
              1. Development of Signal Processing Algorithms for Remote Detection of Humans Trapped under Debris in Disaster Affected Areas Using RF Sensing of Cardiopulmonary Motion: On Going; ; Funding Agency: MeitY; Sanctioned Amount: 94.8; (PI)
              2. Development of Algorithms for Speech based Bilingual Keyword Search to Detect Fraud/Spam Calls; Status: On Going; ; Funding Agency: MeitY; Sanctioned Amount: 41.1 Lakh; (PI)
              Phd Students
              1. Avinash kumar ( 2014 - - ).
              2. Pratik ( 2015 - - ).
              3. Ishwar Chandra Yadav ( 2015 - - ).
              4. Nagapuri Srinivas ( 2015 - - ).
              5. Laxmi Priya Sahu ( 2017 - - ).