Areas of Interest

• Advanced driver assistance systems, Image processing, DFT with sliding windows, warning systems, Sensors, Interfacing circuits for smart sensors, Control and signal processing, phase locking schemes, sliding DFT filters, multi-component decomposition, Instrumentation, vibration measurement, capacitance measurement, ultrasonics, Parameter esitmation, on-line estimation of sinusoidal and exponentially decaying sinusoidal signal parameters

Professional Background

From	To	Position	Organisation
2020-01-01	Ongoing	Professor	Department of Electrical Engineering, Indian Institute of Technology Roorkee
2018-01-01	2018-01-01	Visiting Associate Professor	Asian Institute of Technology, Bangkok
2015-01-01	2020-01-01	Associate Professor	Department of Electrical Engineering, Indian Institute of Technology Roorkee
2011-01-01	2015-01-01	Assistant Professor	Department of Electrical Engineering, Indian Institute of Technology Roorkee
2009-01-01	2011-01-01	Assistant Professor	Department of Information and Communication Technology, DAIICT, Gujarat

Educational Details

Degree	Subject	University	Year
Ph.D.	Electrical Engineering	Indian Institute of Technology Madras, Chennai	2009
M.E.	Control and Instrumentation	College of Engineering Guindy, Anna University, Chennai	2002
B.E.	Electrical and Electronics Engineering	S.R.M. Engineering College, Chennai	1996

Sponsored Research Projects

Topic	Funding Agency	Start Date	Period
Integrated Resistance and Capacitance Measurement System Based on Field Programmable Gate Array	CSIR	2019-01	1 year 9 months
Field Deployable Signal Processing System for Measurement of Path Integrated Gas Concentration	DRDO	2015-01	5 years 7 months
Active Vibration Control of Single-Link Flexible manipulator	DST	2012-01	8 years 7 months

Memberships

• Senior Member, IEEE

Teaching Engagements

Title	Course Code	Class Name	Semester
Advances in Signal and Image processing	EEN-626	M.Tech	Spring
FPGA Implementation of Signal Processing Systems	EEN-611	M.Tech	Autumn
Virtual Instrumentation	EEN-625	M.Tech and B.Tech	Spring
Advanced Digital System Design	EEN-682	M.Tech and B.Tech	Autumn
Digital Signal and Image Processing	EEN-521	M.Tech	Autumn

PHDs Supervised

Topic	Scholar Name	Status of PHD	Registration Date
Vision Based Advanced Driver Assistance Systems	Sukumar Nagineni	O	2018-01
Capacitance to Frequency Conversion Based on Recursive Discrete Fourier Transform	Tushar Tyagi	O	2015-01
Vibration Parameter Estimation Technique for Ultrasonic Measurement Systems	Ksh. Milan Singh	O	2013-01
Time-frequency Analysis of Seismic Signals	Roshan Kumar	O	2011-01

Refereed Journal Papers

 

1. Amit Kumar Viswakarma, Sukumar Nagineni, P. Sumathi, "Two-Dimensional DFT with Sliding and Hopping Windows for Edge Map Generation of Road Images," IET Image Processing Special Issue on Vehicular Object Detection using Image Processing and Deep Learning  (Accepted).
2. Tushar Tyagi and P. Sumathi, "Finer Granularity DFT Bins with Moving Window for Capacitance Sensing," IEEE Transactions on Industrial Informatics (Accepted).
3. Tushar Tyagi and P. Sumathi, "Frequency estimation techniques in capacitance-to-frequency conversion measurement," Review of Scientific Instruments, 91, no. 1, 015005, Jan. 2020.
4. Tushar Tyagi and P. Sumathi, "Comprehensive Performance Evaluation of Computationally Efficient Discrete Fourier Transforms for Frequency Estimation," IEEE Transactions on Instrumentation and Measurement, vol. 69, no. 5,  pp.  2155 - 2163, May 2020.
5. Tushar Tyagi and P. Sumathi, "Frequency Estimation based on Moving-Window DFT with Fractional Bin-Index for Capacitance Measurement," IEEE Transactions on Instrumentation and Measurement, vol. 68, no. 7, pp. 2560 - 2569, July 2019.
6. Shikha Tomar and P. Sumathi, "Amplitude and Frequency Estimation of Exponentially Decaying Sinusoids," IEEE Transactions on Instrumentation and Measurement, vol. 67, no. 1, pp. 229 - 237, Jan. 2018.
7. Roshan Kumar, P. Sumathi, and Ashok Kumar, "Synchrosqueezing Transform-Based Frequency Shifting Detection for Earthquake-Damaged Structures," IEEE Geoscience and Remote Sensing Letters, vol. 14, no. 8, pp. 1393 - 1397, Aug. 2017.
8. Udaya Joshi and P. Sumathi, "Sliding Discrete Fourier Transform Based Frequency-Locked Loop for Adaptive Carrier Tracking of Bi-Phase Signals," IET Communications, vol. 10, no.18, pp. 2649 - 2655, Dec. 2016.
9. Ksh. Milan Singh and P. Sumathi,  "Moving-Window DFT based Frequency-Locked Loop for FM demodulation," IEEE Communications Letters, vol. 20, no. 5, pp. 898-901, May 2016.
10. Jinti Hazarika and P. Sumathi, "Moving Window Filter Based Frequency-Locked Loop for Capacitance Measurement," IEEE Transactions on Industrial Electronics, vol. 62, no. 12, pp. 7821-7823, Dec. 2015.
11. Ksh. Milan Singh and P. Sumathi, "Synchronization Technique for Doppler Signal Extraction in Ultrasonic Vibration Measurement Systems," IEEE Transactions on Instrumentation and Measurement, vol. 64, no. 12, pp. 3162-3172, Dec. 2015.
12. P. Sumathi and Ksh. Milan Singh, "Sliding discrete Fourier transform-based mono-component amplitude modulation-frequency modulation signal decomposition," IET Communications, vol. 9, no. 9, pp. 1221 - 1229, June 2015.
13. Chandrashekhar Shitole and P. Sumathi, "Sliding DFT-Based Vibration Mode Estimator for Single-Link Flexible Manipulator," IEEE/ASME Transactions on Mechatronics, vol. 20, no. 6, pp. 3249-3256, Dec. 2015.
14. Ksh. Milan Singh and P. Sumathi, "Vibration Parameter Estimation Methods for Ultrasonic Measurement Systems- A Review," IET Science, Measurement and Technology, vol. 9, no. 4, pp. 492 - 504, July 2015.
15. Sarita Mishra, Debasmit Das, Roshan Kumar, and P. Sumathi, "A Power-Line Interference Canceler Based on Sliding DFT Phase Locking Scheme for ECG Signals," IEEE Transactions on Instrumentation and Measurement, vol. 64, no. 1, pp.132 - 142, Jan. 2015.
16. P. Sumathi, “A Frequency Demodulation Technique based on Sliding DFT Phase Locking Scheme for Large Variation FM Signals,” IEEE Communications Letters, vol. 16, no.11, pp. 1864 - 1867, Nov. 2012.
17. P. Sumathi, P. A. Janakiraman, “Phase locking scheme based on look-up-table-assisted sliding discrete Fourier transform for low-frequency power and acoustic signals,” IET Circuits, Devices and Systems, vol. 5, Issue 6, pp. 494 - 504, Dec. 2011.
18. P. Sumathi, P. A. Janakiraman, “FPGA Implementation of an Amplitude Modulated Continuous Wave Ultrasonic Ranger using Restructured Phase Locking Scheme,” Journal of VLSI Design, Article ID 213043, 2010.
19. P. Sumathi, P. A. Janakiraman, “SDFT based Ultrasonic Range Finder using AM Continuous Wave and Online Parameter Estimation,” IEEE Transactions on Instrumentation and Measurement, vol. 59, no. 8, pp.1994 - 2004, Aug. 2010.
20. P. Sumathi, P. A. Janakiraman, “Integrated Phase-Locking Scheme for SDFT-Based Harmonic Analysis of Periodic Signals,” IEEE Transactions on Circuits and Systems-II: Express Briefs, vol. 55, no.1, pp. 51 - 55, Jan. 2008.