Dr. Varun Gopi

Email Address

Formula: 0

Qualification

  • B. Tech (2007), First Class with Distinction in Electronics and Communication Engineering form Amal Jyothi College of Engineering, Kanjirappally, Mahatma Gandhi University Kottayam.
  • M. Tech (2009), First Class in Electronics and Communication Engineering from College of Engineering Trivandrum, University of Kerala.
  • Ph.D. (2014), Medical Image Processing from National Institute of Technology, Tiruchirappalli, Tamilnadu

Specialization

  • Signal & Image processing

Areas of Expertise

  • IoT in Healthcare
  • Augmented Reality in Healthcare
  • Signal Processing
  • Medical Image Processing
  • Artificial Intelligence
  • Compressed sensing
  • Circuits and systems

Experience

  • Assistant Professor, Amal Jyothi College of Engineering, Kanjirappally, Kerala (01/01/10 - 31/05/10).
  • Assistant Professor, Government Engineering College Wayanad, Kerala (11/11/13 - 25/05/18).
  • Assistant Professor, National Institute of Technology, Tiruchirappalli, Tamilnadu (28/05/18 - till date).

Courses taught at Postgraduate and Undergraduate levels

  • Analog Integrated Circuits
  • Digital Signal Processing
  • Digital Image Processing
  • Digital System Design
  • DSP for Medical imaging
  • Wavelet Signal Processing
  • Foundations of Artificial Intelligence
  • Circuits and systems
  • Semiconductor Physics & Devices

Professional society membership

  • Professional Member in IEEE.
  • Member in IEI

Publications

International Journals

  1. A hybrid feature preservation technique based on luminosity and edge based contrast enhancement in color fundus images, Elsevier Journal of Biocybernetics and Biomedical engineering, in press.
  2. Automated Segmentation of Optic Disc using Statistical Region Merging and Morphological Operations, Australasian Physical & Engineering Sciences in Medicine, in press.
  3. An improved luminosity and contrast enhancement framework for feature preservation in colour fundus images, Springer Journal of Signal, Image and Video Processing, vol. 13, pp 719–726, June 2019.
  4. Magnitude Comparator Realization using Threshold Logic, International Journal of Recent Technology and Engineering, Volume-8 Issue-3, September 2019.
  5. Accurate Heart Rate Monitoring Method During Physical Exercise from Photoplethysmography Signal, IEEE Sensors Journal, vol. 19, pp. 2298 – 2304, 2019.
  6. Brain MR Kurtosis Imaging Study: Contrasting Gray and White Matter, Elsevier Journal of Cognitive Systems Research, Vo. 55, pp. 135-145, 2019
  7. Development of an Efficient Algorithm for the Detection of Macular Edema from Optical Coherence Tomography Images,” Springer Journal of Computer Assisted Radiology and Surgery, pp. 1-9, 2018.
  8. Combination of Clinical and Multiresolution Features for Glaucoma detection and its classification using Fundus Images,” Elsevier Journal of Biocybernetics and Biomedical engineering, vol. 38, pp. 329-341, 2018.
  9. IOT based Road Pothole and Hump Identification using Ultrasound Waves, Journal of Computer Engineering, PP 13-18, 2017.
  10. PCA Based Localization Approach for Segmentation of Optic Disc, Springer Journal of Computer Assisted Radiology and Surgery, 12(12), pp. 2195-2204, 2017.
  11. Vehicle Vibration Signal Processing for Road Surface Monitoring, IEEE-Sensor Journal, vol.17, issue 16, pp. 5192-5197, 2017.
  12. Analog CMOS implementation of FFT using Cascode current mirror, Elsevier Microelectronics Journal, vol. 60, pp. 30-37, February 2017.
  13. A sparsity-based iterative algorithm for reconstruction of Micro-CT images from highly undersampled projection datasets obtained with a synchrotron X-ray source, Review of Scientific Instruments, 87,123701, 2016.
  14. Iterative Computed Tomography Reconstruction from Sparse-View Data, Journal of Medical Imaging Health Informatics, vol. 6, pp.1−13, 2016.
  15. A Floating Gate MOSFET Based Novel Programmable Current Reference, International Journal of Electrical, Robotics, Electronics and Communications Engineering, vol. 8, no. 6, 2014.
  16. Image Resolution Enhancement Using Undecimated Double Density Wavelet Transform, Signal Processing: An International Journal (SPIJ), vol. 8, issue. -4, 2014.
  17. Multiple regularization based MRI reconstruction, Elsevier Signal Processing, vol. 103, pp. 103-113, 2014.
  18. MR Image Reconstruction Based on nonlocal total variation and Framelets using Split Bregman method”, Springer Journal of Computer Assisted Radiology and Surgery, vol. 9, issues -3, pp. 459-472, 2014.
  19. Micro-CT Image Reconstruction Based on Alternating Direction Augmented Lagrangian method and Total Variation, Elsevier Journal of Computerized Medical Imaging and Graphics, vol. 37, issue-7-8, pp. 419-429, 2013.
  20. MR Image Reconstruction Based on Iterative Split Bregman algorithm and nonlocal total variation, Journal of Computational and Mathematical Methods in Medicine, vol. 2013, 2013.
  21. Capsule Endoscopic Image Denoising Based on Double density dual tree complex wavelet Transform, International Journal of Imaging and Robotics, vol. 9, issue-1, 2012.

International Conferences

  1. Pothole and Speed Bump Classification Using a 5-Layer Simple Convolutional Neural Network, International Conference on Recent Trends in Machine Learning, IOT, Smart Cities & Applications (ICMISC 2020), in press.
  2. A Machine Learning based approach for prediction of actual landing time of scheduled flights, International Conference on Recent Trends in Machine Learning, IOT, Smart Cities & Applications (ICMISC 2020), in press.
  3. An Automated method of Optic Disc Detection from Retinal Fundus Images, 2019 International Conference on contemporary Computing and Informatics (IC3I), in press.
  4. An Adaptive Enhancement method for Low Contrast Color Retinal Images based on Structural Similarity, IEEE International Conference on Circuits and Systems in Digital Enterprise Technology (ICCSDET-2018), pp. 1-5, 21-22 Dec. 2018.
  5. Bleeding Detection in Endoscopic Images Using Histogram Analysis and Bleeding Detector Functions, International Conference On Electrical, Electronics, Computers, Communication, Mechanical and Computing (EECCMC), in press.
  6. Identification of Ayurvedic Medicinal Plants by Image Processing of Leaf Samples, Third IEEE International Conference on Research in Computational Intelligence and Communication Networks, pp. 1-7, 3-5 Nov. 2017.
  7. Low-Complexity CFO Compensation Technique for Uplink OFDMA, International conference on signal processing, communication Power and embedded systems (SCOPES-16), pp. 1-6, 3-5 Oct. 2016.
  8. Undecimated Complex Wavelet Transform based Bleeding Detection for Endoscopic Images, International Conference on Cognitive Computing and Information Processing 2016 (CCIP 16), pp. 1-6, 12-13 Aug. 2016.
  9. A Novel Method for Bleeding Detection in Wireless Capsule Endoscopic Images, International Conference on Computing and Network Communications (CoCoNet), pp. 854-858, 16-19 Dec. 2015.
  10. Colon cancer detection based on structural and statistical pattern recognition, IEEE International Conference on Electronics and Communication Systems (ICECS’15), pp. 1735 -1739, 26-27 Feb. 2015.
  11. A new method for ulcer detection in endoscopic images, IEEE International Conference on Electronics and Communication Systems (ICECS’15), pp. 1725-1729, 26-27 Feb. 2015.
  12. Transform based bleeding detection technique for endoscopic images, IEEE International Conference on Electronics and Communication Systems (ICECS’15), pp. 1730 - 1734, 26-27 Feb. 2015.
  13. Dual Tree Complex Wavelet Transform Based Wireless Capsule Endoscopic Image Enhancement, IEEE International Conference on Contemporary Computing and Informatics (IC3I-2014), SJCE Mysore, Karnataka India.
  14. Image Security using DES and RNS with Reversible Watermarking, IEEE International Conference on Electronics and Communication Systems (ICECS-2014), pp. 1-5, 2014.
  15. A Novel Programmable Current Reference with FGMOSFETs, Proceedings of the 2014 International Conference on Circuits, Systems and Control (CSPC’14), pp. 96−99, 2014.
  16. A novel Wavelet based denoising algorithm using level dependent thresholding, IEEE International Conference on Electronics and Communication Systems (ICECS’14), pp. 1−6, 2014.
  17. Regularization Based CT Image Reconstruction Using Algebraic Techniques, IEEE International Conference on Electronics and Communication Systems (ICECS’14), pp. 1−3, 2014.
  18. Undecimated Double Density Dual Tree Wavelet Transform Based Image Denoising Using Subband Adaptive Thresholding, IEEE International Conference on Issues and Challenges in Intelligent Computing Techniques (ICICT’14), pp. 743−748, 2014.
  19. Image denoising based on undecimated Double Density Dual Tree Wavelet Transform and Modified Firm Shrinkage, 2nd IEEE International Conference on Advanced Computing, Networking and Security (ADCONS’13), pp. 68−73, 2014.
  20. Iterative method for CT image reconstruction from reduced number of projection views, 26th Annual IEEE Canadian Conference on Electrical and Computer Engineering (CCECE’13), pp. 1−4, August 2013.
  21. CT Image Reconstruction Based on Combination of Iterative Reconstruction Technique and Total Variation, IEEE International Conference of Signal Processing, Image Processing and Pattern Recognition (ICSIPR’13), pp. 49−52, April 2013.
  22. Capsule Endoscopic Colour Image Denoising Using Complex Wavelet Transform, Springer International Conference on Information processing (ICIP), pp. 220−229, Aug. 2012.
  23. Endoscopic image compression based on Double Density Discrete Wavelet Transform and SPIHT coding, IEEE International Conference on Control System, Computing and Engineering (ICCSCE), pp. 466−471, Nov. 2011.
  24. Scaling issues in IDDG FinFET at Small Gate Length, Proc. of 3rd IEEE International Conference on Information Sciences and Interaction Sciences, Chengdu, China, pp. 683−687, June 2010.

National Conferences

  1. MR Image Enhancement using Dual Tree Complex Wavelet Transform, National Conference on Systems Energy and Environment (NCSEE), September 2015.
  2. Total Variation Based CT Image Reconstruction using Iterative Techniques, Proc. of 4th National Technological Congress, Feb. 2014.
  3. Security of an Image using Reversible Watermarking with RNS, Proc. of 4th National Technological congress, Feb. 2014.
  4. Independently Driven Double gate FinFET Scalable to 10 nm, Proc. of 10th National Conference on Technological Trends, pp. 319−324, Nov. 2009.

Sponsored R&D Projects

Title of Project

Funding Agency

Duration

Amount & Status

Development of Efficient Algorithms for Detecting Eye Diseases

CERD-APJAKTU Trivandrum, Kerala

1 Year 3 Months

 (7.5 Lakhs)

Completed

Developed Efficient Traffic Monitoring Methods & Under Vehicle Scanning Inspection System

VANDI Technologies PTE LTD, Singapore

3 Years

 (40 Lakhs)

Ongoing

Automated Prediction of Alzheimer’s disease from Optical Coherence Tomography Images of Retina using Artificial Intelligence

SERB

3 Years

(19.48 Lakhs)

Ongoing

4D Trajectory based Air Traffic Flow Management System using System Wide Information Management (4DADFMS)

Airport Authority of India

1 Year

 (11.5 Lakhs)

Proposal approved

 

Books Chapters

  1. Varun P. Gopi, P. Palanisamy, Issac Niwas S. (2012) Capsule Endoscopic Colour Image Denoising Using Complex Wavelet Transform. In: Venugopal K.R., Patnaik L.M. (eds) Wireless Networks and Computational Intelligence. ICIP 2012. Communications in Computer and Information Science, vol 292. Springer, Berlin, Heidelberg
  2. Athira K Brijmohan K Varun P. Gopi Riyas K K Garnet Wilson Swetha T. (2018) A Review on the methods of Despeckling of Optical Coherence Tomography. Emerging Trends in Engineering, Science and Technology for Society, Energy and Environment: Proceedings of the International Conference in Emerging Trends in Engineering, Science and Technology (ICETEST 2018), January 18-20, 2018, Thrissur, Kerala, India, CRC Press

PhDs Guidance

Name of the PhD Scholar

Title of PhD Thesis

Role(Supervisor/ Co-Supervisor)

Year of Award

Manu Raju

Prediction of progression rate of Mild Cognitive Impairment to Alzheimer’s Disease

Supervisor

Ongoing

Nija K. S.

Localization and segmentation of Optic Disc, Fovea and Blood Vessels for Detection of Eye diseases

Supervisor

Ongoing

Sabi S.

Development of efficient algorithms to segment retinal OCT images

Supervisor

Ongoing

Gayathri S

Automated Detection & Grading of Diabetic Retinopathy

Supervisor

Ongoing

Harikrishnan P. M.

Development of Efficient Traffic Monitoring Analytics & Under Vehicle Scanning Inspection System

Supervisor

Ongoing

Sunija A. P

Automated Prediction of Alzheimer’s disease from Optical Coherence Tomography Images of Retina using Artificial Intelligence

Supervisor

Ongoing

Nisha J. S.

IoT-Assisted Junction traffic management through edge video processing and fog computing

Supervisor

Ongoing

 

Established R&D Collaboration Abroad

  1. Dr. Khan A. Wahid, Professor, Department of Electrical and Computer Engineering, University of Saskatchewan, Canada
  2. Dr. Issac Niwas S, Research Manager, Emirates Advanced Research & Technology Holding (EARTH), Abudabi, UAE.
  3. Dr. T. Kirubarajan, Professor and Distinguished Engineering Professor, Electrical and Computer Engineering Department (ITB-A112), McMaster University, Canada
  4. Dr. Alex Noel Joseph Raj, Professor, Department of Electronic and Information Engineering, Shantou University, China.
  5. Prof. Makhan Raj Sharma, Professor, School of Computing & Digital Technology, Birmingham City University, UK.

Professional Recognition/ Award/ Prize/ Fellowship received

S.No

Name of Award

Awarding Agency

Year

1.

M. Tech. Fellowship (GATE)

MHRD, Govt. of India

October 2007-October 2009

2.

Ph.D. Fellowship

MHRD, Govt. of India

August 2010-October 2013

 

3.

Canadian Commonwealth Scholarship

Government of Canada

 

Feb-July 2012

 

4.

 APJ Abdul Kalam Kerala Technological university “Researcher of The Year-2016”

 

Government of Kerala

 

January 2017

 

Google Scholar Link

https://scholar.google.co.in/citations?user=w_u13MEAAAAJ&hl=en

PG & UG Thesis Guidance

Postgraduate Thesis Guidance

36 Completed

2 Ongoing

Undergraduate Project Guidance

7 Completed

2 Ongoing

 

Academic/Administrative Responsibilities outside the University

Member-PG Board of studies, Kannur University, Kerala 2018 to till date

Contact Address

Dr. Varun P. Gopi
Assistant Professor
Room No: E-326,
Department of Electronics and Communication Engineering,
National Institute of Technology,
Tiruchirappalli - 620 015,Tamil Nadu.
Telephone: +91-431-2503339
Mobile: +919995114547
E-mail: varun@nitt.edu, vpgcet@gmail.com