snapshot Hema A Murthy

Professor

Research Areas: Speech Processing, Speech Synthesis and Recognition, Network traffic analysis and modeling, Music information retrieval, Music Processing, Time series modeling, and Pattern Recognition

Education:
Ph.D., Computer Science and Engineering, IIT Madras, 1992
M.Eng, Electrical and Computer Engineering, McMaster University,Canada, 1986
B.E., Electronics and Communcation Engineering, Osmania University, 1980
Associated Labs:
DONlab: Communications Systems and Indic Computing
Courses (Teaching Currently/next Semester): Courses (that I have Taught Before): Research Scholars (current): Research Scholars (completed):
  • M R Srikanth, "Speaker verification and keyword spotting for forensic applications," PhD Thesis, submitted, 2013.
  • Ashwin Bellur, "Automatic identification of tonic in Indian classical music," MS Thesis, submitted, 2013.
  • Chaitanya Kumar, "Information theoretic measures to incorporate multiple feature streams in the linguistic search space for automatic speech recognition,'' MS Thesis, 2013 (Co-guide: Prof. C Chandra Sekhar).
  • Subhadeep Dey, "Universal syllable models for language identification," MS Thesis, IIT Madras, 2013.
  • Santosh Kumar Chaudhari, "Green IT: Energy efficient techniques for network management for core networks and data centers," MS Thesis, IIT Madras, 2013.
  • Cyriac James, "Relevance of time series in network traffic modeling: In the context of TCP SYN DOS attacks," M S Thesis, IIT Madras, 2012.
  • R Padmanabhan, "Studies on voice activity detection and feature diversity for Speaker Recognition," Ph.D Thesis, IIT Madras, 2012.
  • Rajesh Janakiraman, "Syllable Segmentation and its Application to Syllable-centric Continuous Speech Recognition," M.S Thesis, IIT Madras, 2012 (Co-guide: Prof. C Chandra Sekhar).
  • S Ranbir Singh "On the significance of crawling, clustering and real-time implicit feedback in web search engines," (Co-guide: T A Gonsalves) Phd Thesis, 2010.
  • Nikhil Ranjan "GARCH Models for TCP Based Denial of Service," (co-guide: T A Gonsalves) M S Thesis, 2010.
  • P R Ramya, "Incorporating acoustic feature diversity in linguistic search space for speech recognition," (Co-guide C S Ramalingam) MS Thesis, 2009.
  • Sadhana Chevireddy, "A syllable-based segment vocoder," (Co-guide: Dr. C Chandra Sekhar, Dept. of CS\&E), MS Thesis, 2009.
  • P G Deivapalan, "A Segmented Syllable-based, Isolated Word Recognizer for Indian Languages," M S Thesis, 2009.
  • Pranav Hamnabhadkar, "Pattern Recognition and Synthesis of Materials Microstructures," (Co-guide: Dr. K Balasubramanian, Director, NFTDC, Hyderabad) MS Thesis, 2009.
  • Sreenivasulu Nagireddy, "A Pattern Recognition Approach to Block Cipher Identification,"(Co-guide: Dr. C Chandra Sekhar, Dept. of CS\&E), MS Thesis, 2009.
  • M Kasirajan, "Patram: A unified word processing system for handwritten character recognition in Indian languages," (Co-guide: Dr. Srinivasa Chakravarthy, Dept of BT), MS Thesis, IIT Madras, 2008.
  • P Sreehari Krishnan, "Voice activity detection using group delay functions," M S Thesis, IIT, Madras, 2007.
  • A Lakshmi, "A Syllable-based approach to continuous speech recognition inIndian languages," (Co-guide, Dr. C S Ramalingam, Dept. of EE) M S Thesis, IIT, Madras, 2007.
  • Samuel Thomas, "Natural sounding Text-to-speech synthesis based on syllable-like units," (Co-guide: Dr. C Chandra Sekhar, Dept. of CS\&E) M S Thesis, IIT, Madras, 2007.
  • Dinil Mon Divakaran, "Traffic Modeling and Analysis," (Co-guide: Prof. TA Gonsalves, Dept. of CS\&E) M S Thesis, IIT, Madras, 2007.
  • P Manohar, "The Multimodal Interaction for the Computer: An Application independent Approach," M.S Thesis, IIT Madras, 2006.
  • Vinod J, "Low cost Data Communication network for Rural Telecom Management," (Co-Guide: Prof. T.A. Gonsalves, Dept. CS\&E, IIT Madras) M S Thesis, IIT Madras, 2006.
  • G L Sarada, "Automatic Transcription of Continuous Speech into Syllable-like Units," M.S Thesis, IIT Madras, 2006.
  • Rajesh Hegde, "The Modified Group Delay feature and its application to Speech Recognition," Ph.d Thesis,IIT Madras, 2005.
  • R Deepak, "Distributed Intrusion Detection System,"(Co-Guide: Prof. T.A.Gonsalves, Dept. CS&E, IIT Madras), M S Thesis, IIT Madras, 2005.
  • Veena Desai, "Distributed Speech Recognition," (Co-guide: Prof.T A Gonsalves, Dept. of CS&E, IIT Madras), M.S Thesis, IIT Madras, 2005.
  • T. Nagarajan, "Implicit Spoken Language Identification Systems," Ph.d Thesis, IIT Madras, 2004.
  • G.Sirisha, "A DSP Virtual Machine," M S Thesis, IIT Madras, 2004(Co-Guide: Prof. T.A.Gonsalves, Dept. CS&E, IIT Madras)
  • N Sridhar Krishna, "Multilingual Text-to Speech Synthesis," M S Thesis IIT Madras, 2004 (Co-Guide: Prof. T.A.Gonsalves, Dept. CS&E, IIT Madras)
  • M Balamurugan, "An Access Network Planner," M S Thesis, IIT Madras, 2004 (Co-Guide: Prof. T.A.Gonsalves, Dept. CS&E, IIT Madras)
  • M. A. Saifulla, "A Pattern Matching Approach to Classifying Network Traffic," M.S Thesis, IIT Madras, 2003, (Co-Guide: Prof. T.A.Gonsalves, Dept. of CS&E).
  • V Kamakshi Prasad, "Segmentation and Recognition of Continuous Speech," Ph.D Thesis, IIT Madras, 2002.
  • A Ramasamy, "LP Based Traffic Modelling and a Framework for Control," M.S.Thesis, IIT Madras, 2002 (Co-Guide: Prof.T.A.Gonsalves, Dept. of CS&E).
  • B Jyotsana, "A Spoken Language Identification System for Indian Languages," M.S. Thesis, IIT Madras, 2001.
  • S Vela, "A New Model of Speaker Identification based on Statistical Similarity and an Object Oriented Framework for Online Speaker Identification," M.S.Thesis, IIT Madras, 1999.
  • J Srichand, "Word Boundary Detection in Indian Languages and its Application to Keyword Spotting," M.S.Thesis, IIT Madras, 1999 (Co-guide:Dr.G.V.Ramana Rao).
  • M Narendranath, "Transformation of Vocal Tract Characteristics for Voice Conversion using Artificial Neural Networks," M.S. Thesis, IIT Madras, 1995 (Co-Guide: Prof.B.Yegnanarayana, Dept. of CS&E).
  • Contact Information:
    BSB 307
    Department of Computer Science and Engineering
    Indian Institute of Technology Madras
    Chennai - 600 036
    Ph: +91-44-2257 4364
    Fax: +91-44-2257 4352
    E-mail: hema AT cse DOT iitm DOT ac DOT in

  • Research Interests: Speech processing, recognition synthesis, computer networks, music processing.
  • Social Interests: School education , Science popularisation , Communal harmony, global warming, women empowerment
  • Membership: IEEE Society, Indian scientists against nuclear weapons, Movement for Peace and Unity, Tamilnadu science forum, Prakriti (a group at IITM that is concerned about the environment).
  • Publications (Recent):
  • Padi Sarala and Hema A Murthy, ``Cent filter banks and its relevance to identifying the main song in Carnatic music,'' accepted CMMR 2013.
  • Vignesh Ishwar, Shrey Dutta, Ashwin Bellur and Hema A Murthy, ``Motif spotting in an Alapana in Carnatic music,'' accepted ISMIR 2013.
  • Padi Sarala and Hema A Murthy, ``Inter and intra segmentation of Carnatic music recordings for archival,'' accepted ISMIR 2013.
  • B. Ramani, S.Lilly Christina, G Anushiya Rachel, V Sherlin Solomi, Mahesh Kumar Nandwana, Anusha Prakash, Aswin Shanmugam S, Raghava Krishnan S P Kishore, K Samudravijaya, P Vijayalakshmi, T Nagarajan and Hema A Murthy,``A Common Attribute based Unified HTS framework for Speech Synthesis in Indian Languages,'' accepted SSW8, 2013.
  • Abhijit Pradhan, S Aswin Shanmugham, Anusha Prakash, V Kamakoti and Hema A Murthy, ``A syllable-based statistical text to speech system,'' accepted EUSIPCO, 2013.
  • Ashwin Bellur and Hema A Murthy, ``A novel application of group delay function for identifying tonic in Carnatic Music,'' accepted EUSIPCO , 2013.
  • Golda Brunet and Hema A Murthy, ``Analysis of vowel deletion in continuous speech,'' accepted EUSIPCO , 2013.
  • Rajeev Rajan and Hema A Murthy, "Group delay based melody monopitch extraction from music," ICASSP 2013, Vancouver, Canada, May-2013.
  • Akshay Ananthapadmanabhan, Ashwin Bellur and Hema A Murthy, "Modal analysis and transcription of strokes of the mridangam using non-negative matrix factorisation," ICASSP 2013, Vancouver,Canada, May-2013.
  • Rajeev Rajan and Hema A Murthy, "Melodic pitch extraction from music signals using modified group delay functions," Communications (NCC), 2013 National Conference on Digital Object Identifier: 10.1109/NCC.2013.6487986 Year: 2013.
  • Ashwin Bellur and Hema A Murthy, "A cepstrum based approach for identifying tonic pitch in Indian classical music," Communications (NCC), 2013 National Conference on Digital Object Identifier: 10.1109/NCC.2013.6487983 Publication Year: 2013.
  • Srikanth Madikeri, Asha T and H A Murthy, "IIT-M Speaker Recognition System for NIST SRE 2012," Florida, USA, December 2012.
  • S.Y.Sait, M.S.Kumar, H.A.Murthy, “User Traffic Classification for Proxy-Server based Internet Access Control”, IEEE 6th International Conference on Signal Processing and Communication Systems Gold Coast, Australia, December 2012.
  • Cyriac James and Hema A Murthy, ``Decoupling Non-Stationary and Stationary Components in Long Range Network Time Series in the Context of Anomaly Detection,'' IEEE Local Computer Networks (Oct 2012)
  • Srikanth R. Madikeri, Hema A. Murthy, ``Acoustic Segmentation Using Group Delay Functions and Its Relevance To Spoken Keyword Spotting'', TSD 2012.
  • Subhadeep Dey and Hema A Murthy, `` Unsupervised Clustering of Syllables for Language Identification,'' EUSIPCO-2012 , Romania, pp. 325-329.
  • Awards:
  • Indian Language text-to-speech synthesis systems integrated with screen readers, GE innovation award and first prize in research expo, Shaastraa 2013.
  • Prof. Rais Ahmed Memorial Lecture Award, Acoustical Society of India, 2012.
  • Text to speech synthesis in Indian Languages, Manthan Award Finalist (top 74 out ~450 projects), 2012.
  • IBM Faculty award, 2006.
  • Projects:
  • Text to speech synthesis systems in Indian languages -- Consortium leader
  • Discovery of Carnatic Music -- CompMusic Project (http://www.compmusic.upf.edu).
  • Speaker Verification
  • Indo UK Advanced Technology Collaboration -- Network Resilience
  • Other Activities:

    Personal Photo Gallery

    Trek Photos

    Detailed Curriculum Vitae