Dr. M. Sabarimalai Manikandan

Assistant Professor

School of Electrical Sciences

Office : Room 317, Third Floor, School of Electrical Sciences

Phone : +91-0674-713-5726 (O)

Email : msm@iitbbs.ac.in, msm.sabari@gmail.com

Education

Degree	Discipline	Year	School
Ph.D.	Biomedical Signal Processing	2009	Indian Institute of Technology Guwahati
M.E.	Microwave and Optical Engineering	2002	Alagappa Chettiar College of Engineering And Technology
B.E.	Electronics and Communication Engineering	2000	Amrita Institute of Technology & Science

Research Interests

Areas of Research: Signal and Image Processing; Adaptive Machine Learning, Internet of Things; VLSI Signal Processing and Machine Learning Architectures; Application System Development: Health (Human, Machine, Structural) Monitoring Systems; Audio and Speech Processing Systems for Human-Machine Interactions; Biometric and Data Security for Authentication and Authorization; Environmental Monitoring Systems for Ambient Assisted Living; UAV-assisted IoT for Smart Surveillance Systems; Context and Quality Aware Pattern Learning Networks for Event Recognition;

Teaching

Embedded systems, Signals and Networks, Biomedical Signal Processing, Electromagnetic Engineering, Digital Signal Processing; Introduction to Electronics; Digital Electronics, Electronic System Design Lab, DSP and Embedded System Lab, Signals and Networks Lab, Design and Simulation Lab, Introduction to Electronics Lab, Digital Electronics Lab

Recent Publications (International Journals)

Gangireddy Narendra Kumar Reddy, M Sabarimalai Manikandan, N.V.L. Narasimha Murty, "On-Device Integrated PPG Quality Assessment and Sensor Disconnection/Saturation Detection System for IoT Health Monitoring" Accepted in IEEE Transactions on Instrumentation & Measurement, January 2020.

Simhadri Vadrevu, and M. Sabarimalai Manikandan, "A New Quality-Aware Quality-Control Data Compression Framework for Power Reduction in IoT and Smartphone PPG Monitoring Devices", IEEE Sensors Letters, vol.3, no.7, pp. 1-4, July 2019.

Simhadri Vadrevu, and M. Sabarimalai Manikandan, ``Real-Time Quality-Aware PPG Waveform Delineation and Parameter Extraction for Effective Unsupervised and IoT Health Monitoring Systems," IEEE Sensors Journal, vol.19, no.17, pp. 7613 - 7623, 2019.

Udit Satija, Barathram.Ramkumar, M.Sabarimalai Manikandan, ``A New Automated Signal Quality-Aware ECG Beat Classification Methodology for Unsupervised ECG Diagnosis Environments", IEEE Sensors Journal, vol.19 , no.1, pp. 277 - 286, Jan. 2019.

Simhadri Vadrevu, and M. Sabarimalai Manikandan, ``Real-Time PPG Signal Quality Assessment System for Improving Battery Life and False Alarms", Accepted in IEEE Transactions on Circuits and Systems II: Express Briefs, Vol. 66 , No.11, pp. 1910 - 1914, Nov. 2019.

Ajay Kambhampati, Barathram.Ramkumar, M. Sabarimalai Manikandan, "Automatic Identification of S1 and S2 Heart Sounds Using Simultaneous PCG and PPG Recordings” IEEE Sensors Journal, vol. 18, no. 22, pp. 9430 - 9440, Nov.2018.

Simhadri Vadrevu, and M. Sabarimalai Manikandan, ``A Robust Pulse Onset and Peak Detection Method for Automated PPG Signal Analysis System," IEEE Transactions on Instrumentation & Measurement, vol.68, no. 03. pp. 807-817, March 2019.

Simhadri Vadrevu, and M. Sabarimalai Manikandan, "On the Use of Zero-Frequency Resonator for Automatically Detecting Systolic Peaks of Photoplethysmogram Signal " Healthcare Technology Letters, vol.06, no.03, pp. 53 - 58, 2019

UditSatija, Barathram.Ramkumar, and M. SabarimalaiManikandan, ``A Review of Signal Processing Techniques for Electrocardiogram Signal Quality Assessment," IEEE Reviews in Biomedical Engineering, pp. 36-52, Feb. 2018.

Udit Satija, Barathram. Ramkumar, and M. Sabarimalai Manikandan, "Automated ECG Noise Detection and Classification System for Unsupervised Healthcare Monitoring," IEEE Journal of Biomedical and Health Informatics, vol. 22, no. 3, pp. 722 - 732, May 2018.

Udit Satija, Barathram. Ramkumar, and M. Sabarimalai Manikandan, "Real-Time Signal Quality-Aware ECG Telemetry System for IoT-Based Health Care Monitoring," IEEE Internet of Things Journal, vol. 4, no. 3, pp. 815 - 823, June 2017.

Pranav S. Deshpande and M. Sabarimalai Manikandan, "Effective Glottal Instant Detection and Electroglottographic Parameter Extraction for Automated Voice Pathology Assessment," IEEE Journal of Biomedical and Health Informatics, vol. 22, no. 02, pp. 398 - 408, March 2018.

Pankaj D. Achlerkar, S.R. Samantaray, and M. Sabarimalai Manikandan, "Variational Mode Decomposition and Decision Tree Based Detection and Classification of Power Quality Disturbances in Grid-Connected Distributed Generation System, IEEE Transactions on Smart Grid 2016, vol.09, no.04, 2018

M. Sabarimalai Manikandan, S. Samantaray and Innocent Kamwa, "Detection and Classification of Power Quality Disturbances Using Sparse Signal Decomposition on Hybrid Dictionaries", IEEE Transactions on Instrumentation & Measurement, vol.64, no.1, pp.27-38, Jan. 2015

M. Sabarimalai Manikandan and S. Dandapat, "Multiscale entropy based weighted distortion measure for ECG coding," IEEE Signal Processing Letters, vol. 15, pp. 829-832, 2008.

UditSatija, Barathram.Ramkumar, M. SabarimalaiManikandan, ``An automated ECG signal quality assessment method for unsupervised diagnostic systems" Biocybernetics and Biomedical Engineering, vol. 38, no.1, pp. 54-70, 2018.

Udit Satija, Barathram. Ramkumar, and M. Sabarimalai Manikandan, "Noise-Aware Dictionary Learning Based Sparse Representation Framework for Detection and Removal of Single and Combined Noises from ECG Signal", Healthcare Technology Letters, vol. 04, no. 01, pp.2-12, Feb. 2017.

Eedara Prabhakararao and M.Sabarimalai Manikandan, "Efficient and Robust Ventricular Tachycardia and Fibrillation Detection Method for Wearable Cardiac Health Monitoring Devices," Healthcare Technology Letters, Vol.03, No.03, pp. 239-246, Sept. 2016.

Udit Satija, Barathram. Ramkumar, and M. Sabarimalai Manikandan, "Robust Cardiac Event Change Detection Method for Long-term Healthcare Monitoring Applications" Healthcare Technology Letters, Vol. 3, No. 2, pp. 116-123, June 2016.

M. Sabarimalai Manikandan, Barathram.Ramkumar, Pranav S. Deshpande, and Tilendra Choudhary, “Robust detection of premature ventricular contractions using sparse signal decomposition and temporal features” Healthcare Technology Letters, Vol. 02, No. 6, pp. 141 -148, Dec. 2015.

Satya Samyukta Kambhampati, Vishal Singh, M. Sabarimalai Manikanda, and Barathram Ramkumar, "Unified framework for triaxial accelerometer-based fall event detection and classification using cumulants and hierarchical decision tree classifier", Healthcare Technology Letters, vol. 2, no. 4, pp. 101 – 107, August 2015.

M. Sabarimalai Manikandan and Barathram.Ramkumar, "Straightforward and robust QRS detection algorithm for wearable cardiac monitor," Healthcare Technology Letters, Vol. 01, No.01, pp 40-44, March 2014.

M. Sabarimalai Manikandan, and S. Dandapat, "Wavelet-based electrocardiogram signal compression methods and their performances: A prospective review," Biomedical Signal Processing and Control, vol. 14, pp. 73-107, Nov. 2014.

M. Sabarimalai Manikandan and K P Soman, "Robust Heart Sound Activity Detection in Noisy Environments," Electronics Letters, vol. 46, no. 16, August 2010.

M. Sabarimalai Manikandan and S. Dandapat, "Effective quality-controlled SPIHT based ECG coding under noise environments", Electronics Letters, vol. 44, no. 20, pp. 1182-1183, September 2008.

M. Sabarimalai Manikandan and K. P. Soman, "A novel method for detecting R-peaks in electrocardiogram (ECG) signal," Biomed. Signal Process. Control (Elsevier), vol. 07, no. 02, pp. 118–128, March 2012.

P. Kathirvel, M. Sabarimalai Manikandan, S. R. M. Prasanna, K. P. Soman, "An Efficient R-peak Detection Based on New Nonlinear Transformation and First-Order Gaussian Differentiator" Cardiovascular Engineering and Technology (Springer), vol. 02, no. 04, pp. 408-425, December 2011.

M. Sabarimalai Manikandan and S. Dandapat, "Wavelet threshold based TDL and TDR algorithms for real-time ECG signal compression," Biomed. Signal Process. Control, Elsevier, vol. 3, no. 1, pp. 44-66, January 2008.

M. Sabarimalai Manikandan and S. Dandapat, "Wavelet energy based diagnostic distortion measure for ECG," Biomed. Signal Process. Control (Elsevier), vol. 2, no. 2, pp. 80-96, April 2007.

M. Sabarimalai Manikandan and S. Dandapat, "Wavelet threshold based ECG compression using USZZQ and Huffman coding of DSM," Biomed. Signal Process. Control (Elsevier), vol. 1, no. 4, pp. 261-270, October 2006.

Titir Dutta, Udit Satija, Barathram. Ramkumar, M. Sabarimalai Manikandan, “Blind Impulse Estimation and Removal using Sparse Signal Decomposition Framework for OFDM Systems”, Journal of Circuits, Systems, and Signal Processing, Vol. 37, No. 2, pp 847–861, February 2018.

Udit Satija, Barathram. Ramkumar, M. Sabarimalai Manikandan, ``A Novel Sparse Classifier for Automatic Modulation Classification using Cyclostationary Features” Wireless Personal Communications, Vol. 96, No. 3, pp 4895–4917, October 2017

M. Sabarimalai Manikandan, S. Samantaray and Innocent Kamwa, "Simultaneous Denoising and Compression of Power System Disturbances Using Sparse Representation on Overcomplete Hybrid Dictionaries", IET Generation, Transmission & Distribution, vol.9, no.11, pp.1077-1088, 2015

Conferences (International)

Priya Das, M. Sabarimalai Manikandan and B. Ramkumar, "Detection of Epileptic Seizure Event in EEG Signals Using Variational Mode Decomposition and Mode Spectral Entropy," 2018 IEEE 13th International Conference on Industrial and Information Systems (ICIIS), Rupnagar, India, 2018, pp. 42-47.

G. N. K. Reddy, M. Sabarimalai Manikandan and N. V. L. N. Murty, "Integrated Data Compression and Pulse Rate Extraction Scheme Using Differential Coding for Wireless PPG Monitoring Devices," 2018 IEEE 13th International Conference on Industrial and Information Systems (ICIIS), Rupnagar, India, 2018, pp. 48-53.

Shivam Soni, S. Dey and M. Sabarimalai Manikandan, "Automatic Audio Event Recognition Schemes for Context-Aware Audio Computing Devices," 2019 Seventh International Conference on Digital Information Processing and Communications (ICDIPC), Trabzon, Turkey, 2019, pp. 23-28.

Pooja Kumawat and M. Sabarimalai Manikandan, "SSQA: Speech Signal Quality Assessment Method using Spectrogram and 2-D Convolutional Neural Networks for Improving Efficiency of ASR Devices," 2019 Seventh International Conference on Digital Information Processing and Communications (ICDIPC), Trabzon, Turkey, 2019, pp. 29-34

M. Sabarimalai Manikandan; Anil Kumar Yadav; Debalina Ghosh, ``Elimination of impulsive disturbances from archive audio signals using sparse representation in mixed dictionaries" TENCON 2017 - 2017 IEEE Region 10 Conference, pp. 2531 - 2535, 2017.

Simhadri Vadrevu, M. Sabarimalai Manikandan, "Effective Systolic Peak Detection Algorithm Using VariationalMode Decomposition and Center of Gravity" 2016 IEEE Region 10 Conference (TENCON), Singapore, 2016, pp. 2711-2715.

Udit Satija, Barathram. Ramkumar, M. Sabarimalai Manikandan, "A Robust Sparse Signal Decomposition Framework for Baseline Wander Removal from ECG Signal" 2016 IEEE Region 10 Conference (TENCON), Singapore, 2016, pp. 2470-2473.

Eedara Prabhakararao and M Sabarimalai Manikandan, "Detection of Life-Threatening Arrhythmias Using Random Noise and Zerocrossing Information," in Proc. Int. Conf. Wireless Communications, Signal Processing and Networking (WiSPNET), 2016.

Udit Satija, Barathram. Ramkumar, M. Sabarimalai Manikandan, ``Low-Complexity Detection and Classification of ECG Noises for Automated ECG Analysis System," in Proc. Int. Conf. Signal Processing and Communication-SPCOM 2016.

Udit Satija, Barathram. Ramkumar, M. Sabarimalai Manikandan, "An Unified Sparse Signal Decomposition and Reconstruction Framework for Elimination of Muscle Artifacts From ECG Signal" In Proc. IEEE ICASSP, March 2016.

Pranav S. Deshpande and M. Sabarimalai Manikandan, "Improving Accuracy of Glottal Closure Instant Detection Methods in Nonstationary Noise," Int. Conf. Signal Processing & Integrated Networks (SPIN), pp.736-741, Feb. 2015.

Tilendra Choudhary and M. Sabarimalai Manikandan, "A Novel Unified Framework for Noise-Robust ECG-Based Biometric Authentication," Int. Conf. Signal Processing & Integrated Networks (SPIN), pp.186-191, Feb. 2015.

Udit Satija, Barathram.Ramkumar and M. Sabarimalai Manikandan, "A Simple Method for Detection and Classification of ECG Noises for Wearable ECG Monitoring Devices," Int. Conf. Signal Processing & Integrated Networks (SPIN), pp.164-169, Feb. 2015.

U. Satija, Barathram.Ramkumar, M. Sabarimalai Manikandan, ``Performance study of cyclostationary based digital modulation classification schemes," 9th Int. Conf. Industrial and Information Systems (ICIIS), Dec. 2014

Sriram Raju Dandu, M. Sabarimalai Manikandan, and Barathram Ramkumar, "An Automated Method for Detecting Systolic Peaks from Arterial Blood Pressure Signals" IEEE Students' Technology Symposium 2014. IIT Kharagpur. [IEEE TechSym 2014 Best Presentation Award]

M. Sabarimalai Manikandan, K. P. Soman, S. Dandapat, "Quality-Driven Wavelet Based PCG Signal Coding for Wireless Cardiac Patient Monitoring," IEEE International Conference on Wireless Technologies for Humanitarian Relief (ACWR2011), ACM Digital Library, pp. 519-526, 2011.

Britty Baby, M. Sabarimalai Manikandan, K. P. Soman, "Automated Cardiac Event Change Detection for Continuous Remote Patient Monitoring Devices" IEEE International Conference on Wireless Technologies for Humanitarian Relief (ACWR2011), ACM Digital Library, pp. 225-232, 2011.

N. S. V. Krishna Chaitanya Chaitanya, Anoop Radhakrishnan, G. Rakesh Reddy and M. Sabarimalai Manikandan, "A simple and robust QRS detection algorithm for wireless medical body area Networks" International Conference on Networks and Computer Communications (ETNCC2011), pp. 153-158, IEEE Explore, 2011.

M. Sabarimalai Manikandan and S. Dandapat, "An effective wavelet-based lossy compression of noisy ECG signals", Proc. IEEE TENCON 2008, 2008.

M. Sabarimalai Manikandan and S. Dandapat, "Wavelet-based ECG and PCG signals compression technique for mobile telemedicine," in Proc. 15th Int. Conf. Advanced Computing and Communication 2007, IEEE Explore, pp. 164-169, Dec. 2007.

M. Sabarimalai Manikandan and S. Dandapat, "ECG signal compression using discrete sinc interpolation," in Proc. 3rd IEEE Int. Conf. Intelligent Sensing and Information Processing, pp. 14-19, Dec. 2005.

P. Kathirvel, M. Sabarimalai Manikandan, P. Maya, K.P.Soman, Detection of power quality disturbances with overcomplete dictionary matrix and ℓ1-norm minimization, International Conference on Power and Energy Systems (ICPS), IIT Madras, IEEE Explore; December 2011.

P. Kathirvel, M. Sabarimalai Manikandan, S. Senthilkumar, K. P. Soman, Noise Robust Zerocrossing Rate Computation for Audio Signal Classification, 3rd International Conference on Trendz in Information Sciences and Computing (TISC), IEEE Explore, pp. 65-69, 2011.

C. Manoj, S. Magesh, Aditya Sriram Sankaran, M. Sabarimalai Manikandan, "Novel approach for detecting applause in continuous meeting speech" 3rd International Conference on Electronics Computer Technology -ICECT 2011, IEEE Explore, vol. 03, pp. 182-186, 2011.

Publications in Image Processing

K. Syama, N. George, S. Sekhar, C. S. Neethu, M. Sabarimalai Manikandan, K. P. Soman, "Performance Study of Active Contour Model Based Character Segmentation with Nonlinear Diffusion," in Int. Conf. Advances in Computing and Communications (ICACC), pp.118-121, 9-11 Aug. 2012

Nivitha Varghees V, Rolant Gini, M. Sabarimalai Manikandan, and K. P. Soman, "A New Framework to Automatically Select Noise Model for Rician Noise Estimation in MR Images," in Intl. Conf. Advances in Computing and Communications (ICACC), pp.82-85, 9-11 Aug. 2012

D. Bharath Bhushan V. Sowmya, M. Sabarimalai Manikandan, and K. P. Soman, "An effective pre-processing algorithm for detecting noisy spectral bands in hyperspectral imagery," International Symposium on Ocean Electronics (SYMPOL), IEEE Explore, pp. 34-39, 2011.

Nivitha Varghees V, M. Sabarimalai Manikandan, and Rolant Gini, "Adaptive MRI Image Denoising Using Total-Variation and Local Noise Estimation" Int. Conf. Advances in Engineering, Science and Management, pp.506-511, 2012

V. Sowmya, M. Sabarimalai Manikandan, K. P. Soman "A Decision Tree Based Land Cover Image Classification Using Color Space and Texture" in Proc. Int. Conf. Computational Intelligence and Computing Research, 2011.

Merin Cherian, Radhika G, Shajeesh K. U, K. P. Soman , M. Sabarimalai Manikandan, "A Level-Set Based Binarization and Segmentation for Scanned Malayalam Document Image Analysis," in Proc. Int. Conf. Computational Intelligence and Computing Research, 2011.

Praveen Krishnan, M. Sabarimalai Manikandan and K. P. Soman, "A Novel Framework for Automated Skew Detection and Correction in Scanned Document Images" in Proc. Int. Conf. Computational Intelligence and Computing Research, 2011.

Conferences (National)

Eedara Prabhakararao, and M. Sabarimalai Manikandan, "On the Use of Variational Mode Decomposition for Removal of Baseline Wander in ECG Signals" Accepted Twenty Second National Conference on Communications 2016, IIT Guwahati.

Tilendra Choudhary and M. Sabarimalai Manikandan, "Robust Photoplethysmographic (PPG) Based Biometric Authentication for Wireless Body Area Networks and m-Health Applications" Accepted Twenty Second National Conference on Communications 2016, IIT Guwahati.

M. Mohanty, U. Satija, Barathram. Ramkumar, M. Sabarimalai Manikandan, "Digital modulation classification under non-Gaussian noise using sparse signal decomposition and maximum likelihood," 21st National Conference on Communications (NCC), IIT Bombay, 2015.

Academic Honors & Awards

Excellence Award-2012 (Outstanding Performer), Samsung India Electronics Pvt. Ltd.
Employee of the Month –August 2012, Samsung India Electronics Pvt. Ltd.
The heart of the matter-A featured article published in Electronics Letters, vol. 46 no. 16, August 2010.
Amrita University team's algorithm to help doctors in diagnosis- The Hindu, Aug 15, 2010

03 (Continuing in the Field of Biosignal Processing, Audio Processing, Analog VLSI System)

Professional Activities (Associate Editor, Reviewer, Conference Committee)

Associate Editor

Healthcare Technology Letters

Reviewer

IEEE Journal of Biomedical Healthcare Informatics
IEEE Internet of Things Journal
IEEE Signal Processing Letters
IEEE Sensor Letters
IEEE Transactions on Biomedical Circuits and Systems
IEEE Transactions on Instrumentation and Measurememt
IEEE Tranactions on Geoscience and Remote Sensing
IEEE Access
ACM Transaction on Computing for Healthcare
Healthcare Technology Letters
IET Informartion Security
IET Signal Processing
IET Biometrics
IET Image Processing
IET Smart Grid
IET Generation, Transmission and Distribution
IETE Technical Review

Arduino code the signal quality assessment algorithm

drive.google.com/open

Thesis Supervised

M.Tech Thesis

Anil Kumar Yadav, “Sparse Representation Based Algorithm for Simultaneous Detection and Elimination of Impulsive Noise from Audio Signals,” 2014, Co-Supervisor: Dr. D. Ghosh
Deshpande Pranav, “Glottal Instants Detection from Speech and EGG Signals,” 2015.
Tilendra Choudhary, “Delineation Framework for PPG and ECG Signals,” 2015.
E. Prabhakararao, “Efficient and Robust Ventricular Tachycardia and Fibrillation Detection Method for Wearable Cardiac Health Monitoring Devices,” 2016.
Chandan Maurya, “Heart Murmur Detection and Classification,” 2016.
Mrinal Kanti Boro, “A Feasibility Study for Emotion Recognition Using Galvanic Skin Response (GSR),” 2016, Co-Supervisor: Dr. N. N. Murty
Ugesh Utti, “Human Activity Classification System for Health Care Monitoring,” 2018.
Joydip Panja, “Environmental Audio Scene Classification,” 2018.
Priya Das, “Automated Epileptic Seizure Event Detection from EEG Signals,” 2018, Co-Supervisor: Dr. Barathram. Ramkumar

B.Tech Thesis

M. S. R. S. V. Prasad, “Sparse Representation based Method for Automatic Detection of Epileptic Seizures in EEG Recordings,” 2015
B. Lokanath Reddy and N. R. Kumar Reddy, “Compressed Sensing System for Wireless Cardiac Signal Monitoring Applications,” 2015
R P Naveen Kumar and V Sarat Chnadra,“Humming Sound Pattern Recognition for Human–Mobile Interactions”, 2015
Sriram Venkatesh and Udya Kiran, “Design and Implementation of Wearable Wireless Cardiac Vital Signs Monitor Using Photoplethysmography Sensor”, 2015, Co-Supervisor: Dr. Barathram. Ramkumar
K Staya Samyukta and Vishal Singh, “Design and Implementation of Wearable Human Fall Monitoring System,” 2015, Co-Supervisor: Dr. Barathram. Ramkumar
E. V. Nitin, “Non-invasive Blood Pressure Estimation Using PPG and ECG”, 2015, Co-Supervisor:Dr. Rajan Jha
Diptanu Das and Lalit Kumar, “Event Triggered Surveillance System For Smart-Home Environment”, 2016.
Rayudu Pujitha, “Active Speaker Localization in a Meeting Room,” 2017, Co-Supervisor:Dr. Lalan Kumar
Jayanthi Sai Aniruth, “Continuous Non-Invasive Blood Pressure Monitoring,” 2018.
Rama Jogeswara Visruth, “Environmental Sounds Classification using Neural Networks, 2018.

Patents

Patent Granted

US8954140 B2- Method and System for Determining QRS Complexes in Electrocardiogram Signals

Patent Filed

US 20140086346A1-Method and System for Removal of Baseline Wander and Power-line Interference
US 20140064479A1-Method and Systems for Multilevel data Security
US 20140067388A1-Robust Voice Activity Detection in Adverse Environments
3761/DEL/2012-Method and System for User Authentication.
US20140245463 A1-System and method for accessing multimedia content

Professional Activities (Organizer, Conference Chair, Guest Lecture)

Organized 1st National workshop on sparse image and signal processing (SISP-2011), Amrita University, Coimbatore, 2011.
Organized workshop on "DSP architectures Programming and Applications" (2004), Bannari Amman Institute of Technology, India, 2004.
Conference Session Chair, 5th National Conference on Emerging Trends in Communication and Information Technology, KSR Engineering College, India, 2011.
Conference Session Chair, 5th International Conference on Intelligent Systems and Control (2010), Karpagam College of Engineering, India, 2010.
Guest Lecture on "Feature Extraction Methods for Biometric Applications", Recent Advances in Biometric Technologies, PSG Technology, Coimbatore, 2011.
Guest Lecture on "Sparse Representation for Signal Classification", Thiagarajar College of Engineering (TCE), Madurai, 2011.
Guest Lecture on "Compressive Sensing and Applications", Naval Physical Oceanographic Laboratory (NPOL), Kochi, 2011.
Guest Lecture on "Biomedical Applications and Challenges in Wireless Body Area Networks", Sri Krishna College of Engineering and Technology, Coimbatore, 2011.
Guest Lecture on "Signals and Systems, KSR Engineering College, Erode, India, 2010.
Guest Lecture on "Wavelet-Based Image Denoising Techniques, Anna University, Coimbatore, 2010.
Guest Lecture on "Speech Processing and Issues," Research issues in Emerging Trends of Information Technology, Karpagam College of Engineering, 2010.
Guest Lecture on "Technology in Millennium", Workshop on current trends in Mobile, Personal and Cellular Communication (2004), Bannari Amman Institute of Technology, India.

Professional Experience

July 2013 onwards - Assistant Professor, School of Electrical Sciences, IIT Bhubaneswar.
December 2011 to July 2013 - Chief Engineer, Advanced Technology Group, Samsung India Electronics Pvt. Ltd., Noida.
January 2010 to December 2011 - Assistant Professor, Department of Electronics and Communication Engineering, Amrita University, Tamilnadu.
January 2009 to January 2010 - Lead Engineer, Audio Signal Processing Group, Samsung India Electronics Pvt. Ltd., Noida.
April 2003 to March 2004 - Lecturer, Department of Electronics and Communication Engineering, Bannari Amman Institute of Technology, Tamilnadu.
June 2002 to January 2003 - Lecturer, Department of Electronics and Communication Engineering, Sudharsan Engineering College, Tamilnadu.