Dr. L N Sharma
(PhD, IIT Guwahati)
Interested in: Medical Devices, Cardiovascular Signal Processing
(PhD, IIT Guwahati)
Interested in: Medical Devices, Cardiovascular Signal Processing
Address:
Department of Electronics and Electrical Engineering
Indian Institute of Technology Guwahati
Guwahati-781039, India.
Contact:
E-mail: lns@iitg.ernet.in
Phone: 0361-258 2531; Cell: 91-99540-27827
Education:
B. Tech.: in ECE from NERIST
M. Tech.: in Signal Processing from IIT Guwahati
PhD: in EE from IIT Guwahati
Research Areas:
• Multichannel Cardiovascular Signal Processing
• Bio-Signal Preprocessing, amplification and acquisition.
• Artificial intelligent in Healthcare Engineering.
• Time-frequency analysis of Multichannel Electrocardiogram
• Multiscale Multivariate Analysis of Multichannel Physiological Signals
Present Research Interest:
To develop computerized system to detect heart pathology using-
• Standard multi-lead ECG signals
• Multichannel heart sound signals
• Seismocardiogram signals (x,y,z) and
• To develop human speech production system using 3-D glottal vibrations.
1. 3-D SEISMOGLOTTOGRAM, Indian Patent, App No. 201631036440, 2016 (published).
2. DEVICE FOR HUMAN SPEECH PRODUCTION USING 3-DIMENSIONAL GLOTTAL VIBRATIONS, Indian Patent, App No. 201831006870, 23 Feb. 2018. (Published).
3. An automated method for solving Jigsaw Puzzle, Indian Patent, App No. 201831017730, May 2018.
Guidance: B. Tech./M. Tech./ PhD
1. PhD : 03 (on going)
2. B. Tech.: 04 (Design Lab)
Courses
1. EE-220: Signals and Systems (Instructor)
2. EE-102: Basic Electronics Laboratory (Instructor)
3. EE-101: Electrical Sciences (Instructor)
4. EE-304: Design Laboratory (Associate Co-coordinator)
Membership :
1. Member, International Association of Computer Science and Information Technology (IACSIT)
2. Senior Member, Universal Association of Computer and Electronics Engineers (UACEE)
3. Member, Executive Editorial Board (EEB) and Reviewers Task Panel (RTP), Intellectbase International Consortium (IIC), Nashville, USA.
4. Life Member, Institute of Doctors Engineers and Scientists (IDES).
5. Member, Hong Kong Chemical, Biological & Environmental Engineering Society (HKCBEES).
Speaker/Session Chair :
1. International, Intellectbase Multi-Disciplinary Academic Conference, March 14-15, 2013.
2. Speaker, Workshop on AI in Healthcare Engineering, NECBH, IIT Guwahati, March 28-30, 2019.
Reviewer and Examiner :
1. Reviewer for Journals of IEEE, Elsevier, Springer and many international conferences
2. External Examiner, M. Tech. Thesis Evaluations, Gauhati University, Assam
Projects and Consultancy
1. Member, North East Centre for Biological Sciences and Healthcare Engineering (NECBH) , 2018, continue…
2. Co-PI, Development of online handwriting recognition system in Assamese, DIT, Jan 2011-Dec 2015.
3. Co-PI, Development of Medical Image Processing Laboratory (FIST), DST, Oct 2010-Sept 2015.
4. PI, Consultancy services to Develop Solar Home Lighting System, Purbanchal ENTERPRISE, Guwahati, 2018-19. (Amount :2L)
5. Consultancy: Planning, Implementation of E-Governance System in Dibrugarh District, Assam : 2003-2004
6. Consultancy: Setting-up Kovid Research Labs(of Hyderabad) at Technology Complex, IIT Guwahati, 2017.
Organizing Conference and Workshop
1. Member, Workshop on Image and Signal Processing (WISP 2007), IIT Guwahati.
2. Member, ‘National Conference on Communications (NCC-2009), 16-18 January, 2009, IIT Guwahati.
3. Member, WiSSAP 2011 "Winter School on Speech and Audio Processing" , 2011, IIT Guwahati.
4. Chairperson, Scientific Committee,‘MISP 2012 - Workshop on Medical Image and Signal Processing’, IIT Guwahati.
5. Convener, ‘Workshop on Image and Signal Processing (WISP 2013)’, IIT Guwahati
6. Technical / Editorial Board Member, ‘International Conference on Advances in Electronics and Electrical Technology (AEET 2014)’, Bangkok, Thailand.
7. Member, Editorial Board, ‘International Conference on Advances in Bio-Informatics and Environmental Engineering (ABEE 2014),’ Paris, France.
8. Member, 18th. National Power Systems Conference (NPSC-2014), 18-20 Dec, 2014, IIT Guwahati.
9. Member, 22th. National Conference on Communications (NCC 2016), IIT Guwahati, March 4 -6, 2016.
10. Technical Committee Member, International Conference on Biomedical Engineering and Bioinformatics (ICBEB 2017), Chulalongkorn University, Bangkok, September 14-16, 2017.
11. TPC Member, International Conference on Machine Intelligence and Signal Processing (MISP 2017), Indian Institute of Technology Indore, Dec. 22-24, 2017.
12. TPCMembers, 24th. National Conference on Communications (NCC-2018), Indian Institute of Technology Hyderabad, 25-28 February, 2018.
13. Technical Committee Member, 2nd International Conference on Biomedical Engineering and Bioinformatics (ICBEB 2018), Tianjin Polytechnic University, China, Sept. 19-21, 2018
14. Technical Committee Member, 2nd International Conference on Biomedical Engineering and Bioinformatics (ICBEB 2018), Tianjin Polytechnic University, China, Sept. 19-21, 2018
15. Coordinator, Organizing Committee, Workshop on AI in Healthcare Engineering, NECBH, IIT Guwahati, March 28-30, 2019.
Laboratory Experience
I have about 22 year’s hands on laboratory experience which involves
1. Planning and Design of laboratory experiments for UG program
2. Planning and Design of various laboratories
3. Setting up biomedical signal and image processing laboratory (R & D)
4. Setting up DSP and Microprocessor Laboratory
5. Setting up Electronic Circuit laboratory
6. Setting up Digital Circuit Laboratory
7. Design and purchase of Electronic Laboratory Workbenches
8. Teaching Assistant in Laboratory courses
9. Coordinating and Assisting Design Lab
(EE304) for 3rd year UG students
Building of Laboratories
I am involved in-
1. Planning various laboratory space for UG and PG levels
2. Planning and Designing laboratory furniture for instructional courses
3. Setting up state-of-the-art R&D facilities.
4. Planning for clean and uninterrupted power supply system for UG, PG and R&D laboratories.
5. Purchase of laboratory equipment for UG
and PG levels
6. Procuring state-of-the-art R&D equipments for Physiological Signal Recording and Fundus Image Acquisitions.
Setting up laboratories in other institutes
1. I was involved in planning and setting up IIT Patna during its start-up phase.
2. I was involved in planning and setting up laboratories for IIIT Guwahati.
Administrative Experience (Institute and outside)
1. Member, in various purchase committee at Departmental level
2. Member, in various purchase committee in Institute level
3. Member, scrap disposable committee
4. Member, Independent and Republic Day celebration committee
5. Member, Institute Convocation Committee
6. Institute Representative for IIT-JEE Examination
7. Institute Representative for GATE Examination
8. Institute Representative for DRDO SET Examination
9. Member, Expert Committee for independent evaluation of 3 MRI machines in 3 Medical college of Assam, Govt. of Assam.
10. Member, Technical Expert, Audio Visual & Control System, Video conferencing system in Guwahati High Court, PWD (Bldg.), Govt. of Assam
Journals:
1. Tilendra Choudhary, M.K. Bhuyan, L.N. Sharma, Orthogonal subspace projection based framework to extract heart cycles from SCG signal, Biomedical Signal Processing and Control, 50:45-51, April 2019
2. Alex Paul Kamson, L. N. Sharma, S. Dandapat, Multi-centroid diastolic duration distribution based HSMM for heart sound segmentation, Biomedical Signal Processing and Control 48(2019):265-272, November 2018
3. Tilendra Choudhary, L.N. Sharma, M.K. Bhuyan, “Automatic Detection of Aortic Valve Opening using Seismocardiography in Healthy Individuals”, IEEE Journal of Biomedical and Health Informatics, DOI: 10.1109/JBHI.2018.2829608, April 2018.
4. Tilendra Choudhary, L.N. Sharma, M.K. Bhuyan, “HeartSound Extraction from Sternal Seismocardiographic Signal”, IEEE Signal Processing Letters, Vol.25, No.4, DOI: 10.1109/LSP.2018.2801341, 2018.
5. A. Singh, L.N. Sharma, S. Dandapat, "Multi-channel ECG data compression using compressed sensing in eigenspace", Elsevier, Computers in Biology and Medicine, Vol.73, pp.24-37, http://dx.doi.org/10.1016/j.compbiomed.2016.03.021, June 2016.
6. L. N. Sharma, “Information TheoreticMultiscale Truncated SVD for Multilead Electrocardiogram Processing”,Elsevier, Computer Methods and Programs in Biomedicine, 2016.
http://dx.doi.org/10.1016/j.cmpb.2016.01.010.
7. R. K. Tripathy, L. N. Sharma, S. Dandapat, “Detection of Shockable Ventricular Arrhythmia using Variational Mode Decomposition”,Springer, Journal of Medical Systems, vol.40, issue 4, pp. 1-13, 2016.
8. SibasankarPadhy, L. N. Sharma, S. Dandapat, Multilead ECG Data Compression using SVD in Multiresolution Domain, Elsevier, Biomedical Signal Processing and Control, DOI: 10.1016/j.bspc.2015.06.012, 2015.
9. R. K. Tripathy, L. N. Sharma, S. Dandapat, “A Novel Diagnostic Measure to Quantify loss of Clinical Components in Multilead Electrocardiogram”, IET, Healthcare Technology Letters, 2015.
10. L. N. Sharma, R. K. Tripathy, S. Dandapat, “Multiscale energy and eigenspace approach to Detection and Localization of Myocardial Infarction”, IEEE, Transactions on Biomedical Engineering, vol. 62 (7), pp.1827 – 1837, DOI:10.1109/TBME.2015.2405134, 2015.
11. R. K. Tripathy, L. N. Sharma, S. Dandapat, “A New Way of Quantifying Diagnostic Information from Multilead Electrocardiogram for Cardiac Disease Classification”, IET, Healthcare Technology Letters, vol. 1 (4), pp.98-103, DOI:10.1049/htl.2014.0080, 2014.
12. L.N. Sharma, “Coding ECG beats using multiscale compressed sensing based processing”, Elsevier, Computers & Electrical Engineering, DOI: 10.1016/j.compeleceng.2014.07.016, August, 2014.
13. L. N. Sharma, “Compression of Multi-Lead Electrocardiogram Signals by Huffman Coding the Compressed Measurements”, Journal of Applied Global Research (JAGR), Tennessee, USA, Volume 6, Issue 17 (Summer 2013).
14. L. N. Sharma, S. Dandapat, A. Mahanta, “Clinical Entropy based PCA for Multi-lead Electrocardiogram”, UACEE International Journal of Computer Science and its Applications (ISSN 2250-3765), Vol. 2, Issue 3, pp. 211 – 215, Dec., 2012.
15. L. N. Sharma, S. Dandapat, A. Mahanta, “Multichannel ECG data compression based on multiscale principal component analysis”, IEEE, Transactions on Information Technology in BioMedicine, Vol. 16, Issue 4, pp. 730 – 736, 2012.
16. L. N. Sharma, S. Dandapat, A. Mahanta, “Multiscale PCA based Quality Controlled Denoising of Multichannel ECG Signals”, International Journal of Information and Electronics Engineering (IJIEE), Published by International Association of Computer Science and Information Technology (IACSIT), ISSN: 2010-3719, vol. 2, no. 2, pp.107-111, 2012.
17. L. N. Sharma, S. Dandapat, A. Mahanta, “Kurtosis based noise estimation and multiscale energy to denoise ECG signal”, Springer, Signal, Image and Video Processing, DOI: 10.1007/s11760-011-0227-7 , May 05, 2011.
18. L. N. Sharma, S. Dandapat, A. Mahanta, “ECG signal denoising using higher order statistics in Wavelet subbands“, Elsevier, Biomedical Signal Processing and Control, Vol. 5, pp. 214 – 222, 2010.
19. Sanjib Das, L. N. Sharma and A. K. Gogoi, “Remote Communication Engineering Experiments Through Internet”, International Journal of Online Engineering, ISSN: 1861-2121, iJOE Vol. 2, No. 1, 2006.
20. L. N. Sharma, Sanjib Das, AK Gogoi, “Laboratory Experiments through Low Bit Rate Internet Link”, International Journal of Online Engineering, ISSN: 1861-2121, iJOE Vol. 6, No. 3, 2006.
Article in Book
1. L. N. Sharma, S. Dandapat, “Detecting Myocardial Infarction by Multivariate Multiscale Covariance Analysis of Multilead Electrocardiograms”, Springer, Proceedings of the International Congress on Information and Communication Technology (S.C. Satapathy et al. (eds.)), Advances in Intelligent Systems and Computing, vol. 439, pp.169-179, DOI 10.1007/978-981-10-0755-2, ISBN 978-981-10-0754-5, 2016
2. S. Dandapat, L. N. Sharma, R. K. Tripathy, “Quantification of Diagnostic Information from Electrocardiogram Signal: A Review”, Springer, Advances in Communication and Computing (Lecture Notes in Electrical Engineering), ISBN 978-81-322-2464-8, 2015.
3. L. N. Sharma, “Decoding Heart Pathology by Electrocardiogram Signal Processing”, Horizon (A Volume on Popular Science Article), ISBN: 978-81-928118-3-3, pp. 183 – 193, October, 2014.
4. L. N. Sharma, S. Dandapat, A. Mahanta, “Multiscale distortion measure for multichannel electrocardiogram signals”, Biomedical Engineering, Narosa Publishing House Pvt. Ltd., ISBN: 978-81-8487-195-1, pp. 102 - 107, Copyright © 2011.
Conferences
1. Tilendra Choudhary, L N Sharma, M.K. Bhuyan, “Effect of Respiratory Effort Levels on SCG Signals”, IEEE TENSYMP2019, the IEEE Region 10 Symposium, Kolkata, India, June 07 - 09, 2019. (Accepted)
2. TilendraChoudhary, L N Sharma, M.K. Bhuyan, “Spectracentrogram: A Time-Frequency Distribution for Signal Processing Applications”, IEEE International Conference on Intelligent Informatics and Bio-Medical Sciences (ICIIBMS), Oct. 2018.
3. Alex Paul Kamson, L. N. Sharma, S. Dandapat, “Detection of Heart Sound Using Logistic Function Amplitude Moderator and Teager-Kaiser Energy Operator”, IEEE International Conference on Signal Processing and Communications (SPCOM), IISc. Bangalore, 16-19 July, 2018.
4. Tilendra Choudhary, L N Sharma,M.K. Bhuyan, “Suppression of Artifacts from Seismocardiogram Signal Using Two-Stage Kalman Filtering Model”, IEEE International Conference on Signal Processing andCommunications (SPCOM), IISc. Bangalore, 16-19 July, 2018.
5. TilendraChoudhary, L.N. Sharma, M.K. Bhuyan, “Standalone Heartbeat Extraction in SCG Signal using Variational Mode Decomposition”, IEEE International Conference on Wireless Communications Signal Processing and Networking, March, 2018.
6. L. N. Sharma, “Heart Sound Segmentation Using Multiscale Squared Energy Envelope”, 2017 International Conference on Biomedical Engineering and Bioinformatics, (ICBEB 2017), ACM ISBN: 978-1-4503-5297-0, DOI: 10.1145/3143344.3143353, Sept 14-16, 2017.
7. L. N. Sharma, “Teager-Kaiser Energy Operator in Hilbert Space for Heart Sound Segmentation”, IEEE, 3rd. International Conference on Biomedical Engineering, BME-HUST 2016, ISBN: 978-1-5090-1097-4, October 05-06, 2016.
8. L. N. Sharma, “MultiscaleAnalysis of Heart Sound for Segmentation using Multiscale Hilbert Envelope”, IEEE, 13th. International Conference on ICT and Knowledge Engineering, Nov. 18-21, 2015.
9. R. K. Tripathy, L. N. Sharma, S. Dandapat, “Detection of Cardiac Ailments from Multilead ECG using Duagnostic Eigen Error Features”, IEEE, Power, Communication and Information Technology, International Conference on (PCITC), Bhubaneswar, India, Oct. 2015.
10. L. N. Sharma, S. Dandapat, “Detecting Myocardial Infarction by Multivariate Multiscale Covariance Analysis of Multilead Electrocardiograms”,International Congress on Information and Communication Technology (ICICT 2015), Computer Society of India, Oct. 9-10, 2015.
11. L. N. Sharma, “Denoising Pathological Multilead Electrocardiogram Signals using Multiscale Singular Value Decomposition”, IEEE, 12th. International Conference on ICT and Knowledge Engineering, Nov. 18-21, 2014.
12. S. Dandapat, L. N. Sharma, R. K. Tripathy, “Quantification of Diagnostic Information from Electrocardiogram Signal: A Review”, 2014 National Workshop on Advances in Communication and Computing (WACC), Sept 27-28, 2014 (Invited Paper).
13. L. N. Sharma, “Multiscale Entropy based Compressive Sensing for Electrocardiogram Signal Compression”, IEEE, 11th. International Conference on ICT and Knowledge, DOI: 10.1109/ICTKE.2013.6756267, Nov. 20-22, 2013.
14. Anurag Singh, L. N. Sharma, SamarendraDandapat, Compressive Sensing in Eigenspace for Multichannel Electrocardiaogram Signals, IEEE International Conference on Advanced Electronic Systems (ICAES-2013), CSIR-CEERI, Pilani, Sept. 20-22, 2013.
15. Jiss J Nallikuzhy, L. N. Sharma, SamarendraDandapat, Projection based approach for Super-Resolution ECG, IEEE First International Conference on Condition Assessment Techniques in Electrical Systems (IEEE CATCON2013), Dec. 6-8, 2013.
16. SibasankarPadhy, L. N. Sharma, SamarendraDandapat, Multilead ECG Data Transmission in Wireless Body Area Network (WBAN), International conference on “Computer Applications in Electrical Engineering Recent Advances: Smart Grid Technologies, Oct. 3-5, 2013.
17. L. N. Sharma, “Compression of multi-lead Electrocardiogram signals by Huffman coding the compressed measurements”, Proceedings of Intellectbase International Consortium, ISSN 1940-1876 (Print), Vol. 26, pp.149 -155, Spring 2013.
18. Sharma, L.N., Dandapat, S., "Compressed sensing for multi-lead electrocardiogram signals," Information and Communication Technologies (WICT), 2012 World Congress on , vol., no., pp.812,816, Oct. 30 2012-Nov. 2 2012, doi: 10.1109/WICT.2012.6409186
19. L. N. Sharma, S. Dandapat, A. Mahanta, “Clinical Entropy based PCA for Multi-lead Electrocardiogram Signals”, International conference on Advances in Information Technology (AIT-2012), Bangkok, Thailand, 23-24 June, 2012. (Best Paper Award)
20. G. Siva Reddy, Puspanjali Sharma, S. R. M. Prasanna, C. Mahanta and L. N. Sharma, “Combined Online and Offline Assamese Handwritten Numeral Recognizer”, Proceedings of the Eighteenth National Conference on Communication (NCC-2012), Indian Institute of Technology Kharagpur, India, Feb. 03-05, 2012.
21. L. N. Sharma, S. Dandapat, A. Mahanta, “Multiscale distortion measure for multichannel electrocardiogram signals”, 2011 International Conference on Biomedical Engineering (ICBME 2011), Manipal Institute of Technology, Manipal, India, Dec 10-12., 2011.
22. L. N. Sharma, S. Dandapat, A. Mahanta, “Guaranteeing Target Quality Denoising of Multichannel ECG Signals using MSPCA”, 2011 International Conference on Computer and Computational Intelligence (ICCCI 2011), Bangkok, Thailand, 2-4 Dec., 2011. (Best Paper Award)
23. L. N. Sharma, S. Dandapat, A. Mahanta, “Multiscale principal component analysis to denoise multichannel ECG signals”, IEEE 5th Cairo International Conference on Biomedical Engineering (IEEE CIBEC 2010), Cairo, Egypt, 16-18 Dec., 2010.
24. L. N. Sharma, S. Dandapat, A. Mahanta, “Multiscale entropy based multiscale principal component analysis for multichannel ECG data reduction”, 10th. IEEE International Conference on Information Technology and Applications in Biomedicine (IEEE ITAB 2010), Corfu, Greece, 3-5 Nov., 2010.
25. L. N. Sharma, S. Dandapat, A. Mahanta, “Multiscale Wavelet energies and relative energy based denoising of ECG Signal”, 1st. IEEE International Conference on Communication Control and Computing Tecgnologies (IEEE ICCCCT 2010), Syed Ammal Engineering College, Ramanathapuram and St.Xavier's Catholic College of Engineering, Kanyakumari., Tamilnadu, 7-9 Oct., 2010.
26. L. N. Sharma, S. Dandapat, A. Mahanta, “Kurtosis based Multichannel ECG Signal Denoising and Diagnostic Distortion Measures”, IEEE TENCON 2009, Singapore, November 23 – 26, 2009.
27. L. N. Sharma, S. R. Nirmala, M. SabarimalaiManikandan, S. Dandapat, “Compression of Multi-lead ECG Signals and Retinal Images Using 2-D Wavlet Transform and SPIHT Coding Scheme for Mobile Telemedicine”, WISP-2007, IIT Guwahati, India, 20-29 Dec., 2007.
28. L. N. Sharma, M. SabarimalaiManikandan, S. Dandapat, ‘’Modern ECG Instrumentation and Compression Techniques’’, Seminar on Bioelectronics, Tezpur University, 27th. March 2007.
29. L. N. Sharma, Sanjib Das, A.K. Gogoi, “ISM Band Triangular Patch Antenna on FR4 Substrate with ‘U’ Pattern Slots”, Proceedings of IEEE INDCON 2005, December 11-13, 2005, IIT Chennai.
30. Sanjib Das, L. N. Sharma and A. K. Gogoi, “Enabling E-Governance for Low Bit Rate Network through Rural ICT Infrastructures in Indian Villages”, Proceedings of 7th. International Conference on Computer and Information Technology (ICCIT2004), 28-28 December 2004, Dhaka, Bangladesh.
31. L. N. Sharma, Sanjib Das, A.K. Gogoi, “ Information and Communication Network Enabling E-Governance in Dibrugarh District”, Proceedings of All India Seminar on Wireless and Wire-Line Communication Scenario in North Eastern Region, The Institution of Engineers (India), Assam State Centre, Guwahati , 31st. January & 1st. February, 2004.
32. L. N. Sharma, Sanjib Das, A.K. Gogoi, “ Laboratory Experiment Through Internet”, Proceedings of All India Seminar on Development of Manpower for Information Technology Enabled Services in the North Eastern Region, The Institution of Engineers (India), Assam State Centre, Guwahati, 27 – 28 March, 2004.
