Dr. Varun Gopi

Experience

  • Associate Professor, National Institute of Technology, Tiruchirappalli, Tamil Nadu (11/03/24-till date)
  • Assistant Professor Grade I, National Institute of Technology, Tiruchirappalli, Tamil Nadu (28/05/18-10/03/24)
  • Assistant Professor, Government Engineering College Wayanad, Kerala (11/11/13–25/05/18).
  • Assistant Professor, Amal Jyothi College of Engineering, Kanjirappally, Kerala (01/01/10–31/05/10)

Qualification

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

Specialization

  • Signal and Image Processing

Areas of Expertise

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

Research Credentials

Vidwan-ID: 93107

Researcher ID: S-3943-2019

Scopus ID: 36537070400

Orcid ID: 0000-0001-5593-3949

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
  • Semiconductor Physics & Devices
  • Hardware for Deep Learning
  • Analog VLSI

Professional society membership

  • IEEE Senior Member
  • Member-IEI
  • Chartered Engineer

Publications

International Journals

2024

67. N. P. Raja, Gopi, Varun P, B. Francis, and C. devi N., “Deepvasnet: Retinal vasculature and faz segmentation in octa with efficientnet-enhanced u-net,” Biomedical Engineering: Applications, Basis and Communications, in press.

66. Arun P. S., Bibin Francis, Gopi, Varun P, NL-CoWNet: A Deep Convolutional Encoder-Decoder Architecture for OCT Speckle Elimination using Non-Local and Subband Modulated DT-CWT blocks, IEEE Transactions on Artificial Intelligence, in press.

65. Shalini. R. and Gopi, Varun P, “Multiresolution Cascaded Attention U-Net for Localization and Segmentation of Optic Disc and Fovea in Fundus Images,” Scientific Reports, 14(1), 23107 (2024).

64. Abhishek Sehrawat., Gopi, Varun P, and Anita Gupta, “A Systematic Review on the Role of Deep Learning in CT Scans for Detection of Gall Bladder Cancer,” Archives of Computational Methods in Engineering, p. 1–9, 2024.

63. Nisha J. S., Gopi, Varun P, “Polyp Detection Based on Hybrid Feature Extraction and Saliency Detection,” Biomedical Engineering: Applications, Basis and, Communications, in press.

62. Alka Singh,  A. Thomas, Gopi, Varun P, “Wavelet-Pooling Based Multi-scale CNN for Covid-19 Detection From CT Images,” Biomedical Engineering: Applications, Basis and, Communications, 2450035, 2024.

61. P.  S. Arun and Gopi, Varun P, “Despnet: A residual learning-based deep convolutional neural network for the despeckling of optical coherence tomography images,” Multimedia Tools and Applications, pp. 1–21, 2023.

60. Shalini. R. and Gopi, Varun P, “Dcae-unet: Improved optic disc segmentation model using semi-supervised deep dilated convolution autoencoder-based modified u-net,” Biomedical Engineering: Applications, Basis and, Communications, p. 2350025, 2023

59. M. Raju, A. V. S, Gopi, Varun P, and A. Shehrawat, “Early diagnosis of alzhiemer’s disease using wavelet-pooling based deep convolutional neural network,” Sadhana, vol. 48, no. 3, p. 1-12, 2023.

58. P. S. Arun, S. A. Sahare, and Gopi, Varun P, “Rescownet: A deep convolutional neural network with residual learning based on dt-cwt for despeckling optical coherence tomography images,” Optik, p. 170 924, 2023.

57. P. R. Shekar, A. Mathew, and Gopi, Varun P, “Rainfall-runoff modelling using swat and eight artificial intelligence models in the murredu watershed, india,” Environmental Monitoring and Assessment, vol. 195, no. 9, p. 1041, 2023.

56. P. R. Shekar, A.Mathew, A. PS, and Gopi, Varun P, “Sub-watershed prioritization using morphometric analysis, principal component analysis, hypsometric analysis, land use/land cover analysis, and machine learning approaches in the peddavagu river basin, india,” Journal of Water and Climate Change, 2023.

55. A. Singh, Gopi, Varun P, A. Thomas, and O. Singh, “Dual-scale cnn architecture for covid-19 detection from lung ct images,” Biomedical Engineering: Applications, Basis and Communications, p. 2 350 012, 2023.

2022

54. P. Arun, Gopi, Varun P, and P. Palanisamy, “Despeckling of oct images using dt-cwt based fusion technique,” Optik, vol. 263, p. 169 332, 2022.

53. Nisha and Gopi, Varun P, “Colorectal polyp detection in colonoscopy videos using image enhancement and discrete orthonormal stockwell transform,” Sadhana, vol. 47, no. 4, p. 234, 2022.

52. Nisha, Gopi, Varun P, and P. Palanisamy, “Automated colorectal polyp detection based on image enhancement and dual-path cnn architecture,” Biomedical Signal Processing and Control, vol. 73, p. 103 465, 2022.

51. J. Nisha, Gopi, Varun P, and P. Palanisamy, “Automated polyp detection in colonoscopy videos using image enhancement and saliency detection algorithm,” Biomedical Engineering: Applications, Basis and Communications, vol. 34, no. 01, p. 2 250 001, 2022.

50. J. Nisha, Gopi, Varun P, and P. Palanisamy, “Classification of informative frames in colonoscopy video based on image enhancement and phog feature extraction,” Biomedical Engineering: Applications, Basis and Communications, vol. 34, no. 02, p. 2 250 015, 2022.

49. J. Nisha, Gopi, Varun P, and P. Palanisamy, “Colorectal polyp detection using image enhancement and scaled yolov4 algorithm,” Biomedical Engineering: Applications, Basis and Communications, vol. 34, no. 05, p. 2 250 026, 2022.

48. G. Palanisamy, P. Ponnusamy, and Gopi, Varun P, “An adaptive enhancement and fovea detection technique for color fundus image analysis,” Signal, Image and Video Processing, pp. 1–8, 2022.

47. S. Sabi, J. M. Jacob, and Gopi, Varun P, “Classification of age-related macular degeneration using dag-cnn architecture,” Biomedical Engineering: Applications, Basis and Communications, vol. 34, no. 06, p. 2 250 037, 2022.

46. D. Sahadevan, P. Ponnusamy, Gopi, Varun P, and M. K. Nelli, “Ground-based 4d trajectory prediction using bi-directional lstm networks,” Applied Intelligence, pp. 1–18, 2022.

45. S. Sethuraman and Gopi, Varun P, “Staircase-net: A deep learning based architecture for retinal blood vessel segmentation,” Sadhana, vol. 47, no. 4, p. 191, 2022.

44. R. Shalini and Gopi, Varun P, “Deep learning approaches based improved light weight u-net with attention module for optic disc segmentation,” Physical and Engineering Sciences in Medicine, pp. 1–12, 2022.

43. A. Sunija, Gopi, Varun P, and A. K. Krishna, “D-dagnet: An improved hybrid deep network for automated classification of glaucoma from oct images,” Biomedical Engineering: Applications, Basis and Communications, p. 2 250 042, 2022.

42. A. Sunija, Gopi, Varun P, and P. Palanisamy, “Redundancy reduced depthwise separable convolution for glaucoma classification using oct images,” Biomedical Signal Processing and Control, vol. 71, p. 103 192, 2022.

41. A. Sunija, A. K. Krishna, Gopi, Varun P, and P. Palanisamy, “Multi-scale directed acyclic graph-cnn for automated classification of diabetic retinopathy from oct images,” Biomedical Engineering: Applications, Basis and Communications, vol. 34, no. 05, p. 2 250 025, 2022.

40. A. Suresh, J. Nisha, Gopi, Varun P, et al., “Rich feature distillation with feature affinity module for efficient image dehazing,” Optik, vol. 267, p. 169 656, 2022.

2021

39. V. Dharanya and A. N. J. a. V. P. Raj, “Facial expression recognition through person-wise regeneration of expressions using auxiliary classifier generative adversarial network (ac-gan) based model,” Journal of Visual Communication and Image Representation, vol. 77, p. 103 110, 2021.

38. S. Gayathri, Gopi, Varun P, and P. Palanisamy, “Diabetic retinopathy classification based on multipath cnn and machine learning classifiers,” Physical and engineering sciences in medicine, vol. 44, no. 3, pp. 639–653, 2021.

37. P. Harikrishnan, A. Thomas, Gopi, Varun P, P. Palanisamy, and K. A. Wahid, “Inception single shot multi-box detector with affinity propagation clustering and their application in multi-class vehicle counting,” Applied Intelligence, vol. 51, pp. 4714–4729, 2021.

36. H. PM, A. Thomas, N. JS, Gopi, Varun P, and P. Palanisamy, “Pixel matching search algorithm for counting moving vehicle in highway traffic videos,” Multimedia Tools and Applications, vol. 80, no. 2, pp. 3153–3172, 2021.

35. S. Sabi, Gopi, Varun P, and J. A. Raj, “Detection of age-related macular degeneration from oct images using double scale cnn architecture,” Biomedical Engineering: Applications, Basis and Communications, vol. 33, no. 04, p. 2 150 029, 2021.

34. D. Sahadevan, P. Ponnusamy, Gopi, Varun P, S. Guruswami, and A. K. Krishna, “A machine learning-based approach to predict random variation in the landing time of scheduled flights,” International Journal of Sustainable Aviation, vol. 7, no. 4, pp. 293–318, 2021.

33. D. SAHADEVAN, P. Ponnusamy, M. K. Nelli Mr, Gopi, Varun P, et al., “Predictability improvement of scheduled flights departure time variation using supervised machine learning,” International Journal of Aviation, Aeronautics, and Aerospace, vol. 8, no. 2, p. 9, 2021.

32. A. Sunija, S. Kar, S. Gayathri, Gopi, Varun P, and P. Palanisamy, “Octnet: A lightweight cnn for retinal disease classification from optical coherence tomography images,” Computer methods and programs in biomedicine, vol. 200, p. 105–877, 2021.

31. A. Thomas, Gopi, Varun P, and P. Palanisamy, “Fast approach for moving vehicle localization and bounding box estimation in highway traffic videos,” Signal, Image and Video Processing, vol. 15, no. 5, pp. 1041–1048, 2021.

30. A. Thomas, P. M. Harikrishnan, Gopi, Varun P, et al., “A novel multiscale and multipath convolutional neural network-based age-related macular degeneration detection using oct images,” Computer methods and programs in biomedicine, vol. 209, p. 106-294, 2021.

29. A. Thomas, P. Harikrishnan, Gopi, Varun P, and P. Palanisamy, “An automated method to detect age-related macular degeneration from optical coherence tomographic images,” Biomedical Engineering: Applications, Basis and Communications, vol. 33, no. 05, p. 2 150 036, 2021.

28. A. Thomas, P. Harikrishnan, A. K. Krishna, P. Palanisamy, and Gopi, Varun P, “A novel multiscale convolutional neural network-based age-related macular degeneration detection using oct images,” Biomedical Signal Processing and Control, vol. 67, p. 102-538, 2021.

27. A. Thomas, P. Harikrishnan, A. K. Krishna, P. Ponnusamy, and Gopi, Varun P, “Automated detection of age-related macular degeneration from oct images using multipath cnn.,” J. Comput. Sci. Eng., vol. 15, no. 1, pp. 34–46, 2021.

26. A. Thomas, A. Sunija, R. Manoj, et al., “Rpe layer detection and baseline estimation using statistical methods and randomization for classification of amd from retinal oct,” Computer Methods and Programs in Biomedicine, vol. 200, p. 105 822, 2021.

2020

25. S. Gayathri, Gopi, Varun P, and P. Palanisamy, “Automated classification of diabetic retinopathy through reliable feature selection,” Physical and Engineering Sciences in Medicine, vol. 43, pp. 927–945, 2020.

24. S. Gayathri, Gopi, Varun P, and P. Palanisamy, “A lightweight cnn for diabetic retinopathy classification from fundus images,” Biomedical Signal Processing and Control, vol. 62, p. 102 115, 2020.

23. S. Gayathri, A. K. Krishna, Gopi, Varun P, and P. Palanisamy, “Automated binary and multiclass classification of diabetic retinopathy using haralick and multiresolution features,” IEEE Access, vol. 8, pp. 57 497–57 504, 2020.

22. K. Nija, C. Anupama, Gopi, Varun P, and V. Anitha, “Automated segmentation of optic disc using statistical region merging and morphological operations,” Physical and Engineering Sciences in Medicine, vol. 43, pp. 857–869, 2020.

21. G. Palanisamy, N. B. Shankar, P. Ponnusamy, and Gopi, Varun P, “A hybrid feature preservation technique based on luminosity and edge based contrast enhancement in color fundus images,” Biocybernetics and Biomedical Engineering, vol. 40, no. 2, pp. 752–763, 2020.

20. M. Raju, Gopi, Varun P, V. Anitha, and K. A. Wahid, “Multi-class diagnosis of alzheimer’s disease using cascaded three dimensional-convolutional neural network,” Physical and Engineering Sciences in Medicine, vol. 43, pp. 1219–1228, 2020.

19. D. SAHADEVAN, P. P Dr, Gopi, Varun P, M. K. Nelli Mr, K. Mr, et al., “Prediction of gate in time of scheduled flights and schedule conformance using machine learning-based algorithms,” International Journal of Aviation, Aeronautics, and Aerospace, vol. 7, no. 4, p. 9, 2020.

18. Manjunath K. Nelli and Asokkumar K. Deepudev. S, Palanisamy. Gopi, Varun P, "Performance Improvement of Air Traffic Flow Management Ground Delay Program using Machine learning and Mixed Integer Linear Programming based Algorithm", International Journal on Emerging Technologies, Vol. 11, pp.1071-1081, 2020.

2019

17. A. Beejesh, Gopi, Varun P, and J. Hemanth, “Brain mr kurtosis imaging study: Contrasting gray and white matter,” Cognitive Systems Research, vol. 55, pp. 135–145, 2019.

16. G. Palanisamy, P. Ponnusamy, and Gopi, Varun P, “An improved luminosity and contrast enhancement framework for feature preservation in color fundus images,” Signal, Image and Video Processing, vol. 13, pp. 719–726, 2019.

2018

15. K. Jemshi, Gopi, Varun P, and S. Issac Niwas, “Development of an efficient algorithm for the detection of macular edema from optical coherence tomography images,” International Journal of Computer Assisted Radiology and Surgery, vol. 13, pp. 1369–1377, 2018.

14. T. Kausu, Gopi, Varun P, K. A. Wahid, W. Doma, and S. I. Niwas, “Combination of clinical and multiresolution features for glaucoma detection and its classification using fundus images,” Biocybernetics and Biomedical Engineering, vol. 38, no. 2, pp. 329–341, 2018.

13. A. Thomas and Gopi, Varun P, “Accurate heart rate monitoring method during physical exercise from photoplethysmography signal,” IEEE Sensors Journal, vol. 19, no. 6, pp. 2298–2304, 2018.

2017

12. Gopi, Varun P, M. Anjali, and S. I. Niwas, “Pca-based localization approach for segmentation of optic disc,” International journal of computer assisted radiology and surgery, vol. 12, pp. 2195–2204, 2017.

11.H. P. M. and Gopi, Varun P, “Vehicle vibration signal processing for road surface monitoring,” IEEE Sensors Journal, vol. 17, no. 16, pp. 5192–5197, 2017.

10. P. Reshma, Gopi, Varun P, V. S. Babu, and K. A. Wahid, “Analog cmos implementation of fft using cascode current mirror,” Microelectronics Journal, vol. 60, pp. 30–37, 2017.

2016

09. Gopi, Varun P, P. Palanisamy, K. A. Wahid, P. Babyn, and D. Cooper, “Iterative computed tomography reconstruction from sparse-view data,” Journal of Medical Imaging and Health Informatics, vol. 6, no. 1, pp. 34–46, 2016.

08. S. A. Melli, K. A. Wahid, P. Babyn, D. M. Cooper, and Gopi, Varun P, “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, vol. 87, no. 12, p. 123 701, 2016.

2014

07. V. S. Babu, P. Haseena, Gopi, Varun P, and M. Baiju, “A floating gate mosfet based novel programmable current reference,” International Journal of Electronics and  Communication Engineering, vol. 8, no. 6, pp. 1009–1013, 2014.

06. Gopi, Varun P, V. S. Babu, and C. Dilna, “Image resolution enhancement using undecimated double density wavelet transform,” Signal Processing: An International Journal (SPIJ), vol. 8, no. 5, p. 67, 2014.

05. Gopi, Varun P, P. Palanisamy, K. A.Wahid, and P. Babyn, “Mr image reconstruction based on framelets and nonlocal total variation using split bregman method,” International journal of computer assisted radiology and surgery, vol. 9, pp. 459–472, 2014.

04. Gopi, Varun P, P. Palanisamy, K. A. Wahid, P. Babyn, and D. Cooper, “Multiple regularization based mri reconstruction,” Signal processing, vol. 103, pp. 103–113, 2014.

2013

03. Gopi, Varun P and P. Palanisamy, “Capsule endoscopic image denoising based on double density dual tree complex wavelet transform,” International Journal of Imaging and Robotics, vol. 9, no. 1, pp. 48–60, 2013.

02. Gopi, Varun P, P. Palanisamy, K. A. Wahid, and P. Babyn, “Mr image reconstruction based on iterative split bregman algorithm and nonlocal total variation,” Computational and mathematical methods in medicine, vol. 2013, 2013.

01. Gopi, Varun P, P. Palanisamy, K. A. Wahid, P. Babyn, and D. Cooper, “Micro-ct image reconstruction based on alternating direction augmented lagrangian method and total variation,” Computerized medical imaging and graphics, vol. 37, no. 7-8, pp. 419–429, 2013. 

International Conferences

33. Akshayraj MR, Muhammed Raees PC, Varun P Gopi, G. Lakshminarayanan, G. R. Gangadharan, Jayaraj U Kidav, Efficient Hardware Design for CNN-Based ECG Signal Classification in Wearable Bio-Medical Devices, 28th International Symposium on VLSI Design and Test (VDAT-2024), in press.

32. Muhammed Raees PC, Akshayraj MR, Varun P Gopi, G. Lakshminarayanan, G. R. Gangadharan, Jayaraj U Kidav, Dynamic Precision Scaling in MAC Units for Energy-Efficient Computations in Deep Neural Network Accelerators, 28th International Symposium on VLSI Design and Test (VDAT-2024), in press.

31. Muthukumar Balamurugan, Varun P. Gopi, Exploring Single Frame Deraining Techniques: A Comprehensive Investigation, 2024 Third International Conference on Electrical, Electronics, Information and Communication Technologies (ICEEICT 2024), in press.

30. M. Raju and Gopi, Varun P, “Early diagnosis of alzheimer’s disease using multiscale and multipath convolutional neural network,” in Hinweis International Conference on Computer Science, Cyber Security and Information Technology (CCIT), in press.

29. S. Sharan, A. K. Krishna, A. S. Rao, and Gopi, Varun P, “Repar-net: Re-parameterized encoders and attentive feature arsenals for fast video denoising,” in 2022 International Conference on Robotics and Automation (ICRA), IEEE, 2022, pp. 633–639.

28. S. Deepudev, P. Palanisamy, Gopi, Varun P, and M. K. Nelli, “A machine learning-based approach for prediction of actual landing time of scheduled flights,” in Proceedings of International Conference on Recent Trends in Machine Learning, IoT, Smart Cities, and Applications: ICMISC 2020, Springer, 2021, pp. 755–766.

27. K. Nija, Gopi, Varun P, and V. Anitha, “A neural network based optic disc segmentation,” in 2021 Sixth International Conference on Wireless Communications, Signal Processing and Networking (WiSPNET), IEEE, 2021, pp. 297–302.

26. M. Raju, Gopi, Varun P, and V. Anitha, “Multi-class classification of alzheimer’s disease using 3dcnn features and multilayer perceptron,” in 2021 Sixth International Conference on Wireless Communications, Signal Processing and Networking (WiSPNET), IEEE, 2021, pp. 368–373.

25. S. Sabi and Gopi, Varun P, “A dual-path cnn based age-related macular degeneration detection,” in 2021 Fourth International Conference on Electrical, Computer and Communication Technologies (ICECCT), IEEE, 2021, pp. 1–6.

24. S. Sowrirajan, A. G. Prakash, S. Naven, Gopi, Varun P, and S. Deivalakshmi, “Person detection, tracking and following in a differential drive mobile robot,” in 2021 International Conference on Intelligent Technologies (CONIT), IEEE, 2021, pp. 1–6.

23. A. Thomas, P. Harikrishnan, J. Nisha, Gopi, Varun P, and P. Palanisamy, “Pothole and speed bump classification using a five-layer simple convolutional neural network,” in Proceedings of International Conference on Recent Trends in Machine Learning, IoT, Smart Cities, and Applications: ICMISC 2020, Springer, 2021, pp. 491–499.

22. K. Nadiya and Gopi, Varun P, “Dorsal hand vein biometric recognition based on orientation of local binary pattern,” in 2020 IEEE-HYDCON, IEEE, 2020, pp. 1–6.

21. M. Raju, T. Sudila, Gopi, Varun P, and V. Anitha, “Classification of mild cognitive impairment and alzheimer’s disease from magnetic resonance images using deep learning,” in 2020 International Conference on Recent Trends on Electronics, Information, Communication & Technology (RTEICT), IEEE, 2020, pp. 52–57.

20. A. Thomas, P. Harikrishnan, P. Palanisamy, and Gopi, Varun P, “Moving vehicle candidate recognition and classification using inception-resnet-v2,” in 2020 IEEE 44th Annual Computers, Software, and Applications Conference (COMPSAC), IEEE, 2020, pp. 467–472.

19. K. Nija, V. Anitha, and Gopi, Varun P, “An automated method of optic disc detection from retinal fundus images,” in 2019 International Conference on Contemporary Computing and Informatics (IC3I), IEEE, 2019, pp. 111–116.

18. G. Palanisamy, P. Ponnusamy, and Gopi, Varun P, “An adaptive enhancement method for low contrast color retinal images based on structural similarity,” in 2018 International Conference on Circuits and Systems in Digital Enterprise Technology (ICCSDET), IEEE, 2018, pp. 1–4.

17. P. M. Kumar, C. Surya, and Gopi, Varun P, “Identification of ayurvedic medicinal plants by image processing of leaf samples,” in 2017 Third International Conference on Research in Computational Intelligence and Communication Networks (ICRCICN), IEEE, 2017, pp. 231–238.

16. K. Fasna, Gopi, Varun P, and M. Vivek, “Low-complexity cfo compensation technique for uplink ofdma,” in 2016 International Conference on Signal Processing, Communication, Power and Embedded System (SCOPES), IEEE, 2016, pp. 918–923.

15. K. Reeha, K. Shailaja, and Gopi, Varun P, “Undecimated complex wavelet transform-based bleeding detection for endoscopic images,” in 2016 Second International Conference on Cognitive Computing and Information Processing (CCIP), IEEE, 2016, pp. 1–6.

14. B. Akbar, Gopi, Varun P, and V. S. Babu, “Colon cancer detection based on structural and statistical pattern recognition,” in 2015 2nd International Conference on Electronics and Communication Systems (ICECS), IEEE, 2015, pp. 1735–1739.

13. C. Dilna and Gopi, Varun P, “A novel method for bleeding detection in wireless capsule endoscopic images,” in 2015 International Conference on Computing and Network Communications (CoCoNet), IEEE, 2015, pp. 854–858.

12. N. E. Koshy and Gopi, Varun P, “A new method for ulcer detection in endoscopic images,” in 2015 2nd International Conference on Electronics and Communication Systems (ICECS), IEEE, 2015, pp. 1725–1729.

11. M. Mathew and Gopi, Varun P, “Transform-based bleeding detection technique for endoscopic images,” in 2015 2nd International Conference on Electronics and Communication Systems (ICECS), IEEE, 2015, pp. 1730–1734.

10. V. S. Babu, Gopi, Varun P, S. Thankachan, and M. Baiju, “A novel programmable current reference with fgmosfets,” in Proceedings of the 2014 International Conference on Circuits, Systems, and Control, Interlaken, Switzerland, 2014.

09. Gopi, Varun P, P. Palanisamy, et al., “Regularization-based ct image reconstruction using algebraic techniques,” in 2014 International Conference on Electronics and Communication Systems (ICECS), IEEE, 2014, pp. 1–3.

08. Gopi, Varun P, M. Pavithran, T. Nishanth, S. Balaji, V. Rajavelu, and P. Palanisamy, “A novel wavelet-based denoising algorithm using level dependent thresholding,” in 2014 International Conference on Electronics and Communication Systems (ICECS), IEEE, 2014, pp. 1–6.

07. Gopi, Varun P, M. Pavithran, T. Nishanth, S. Balaji, V. Rajavelu, and P. Palanisamy, “Undecimated double density dual tree wavelet transform based image denoising using a subband adaptive threshold,” in 2014 International Conference on Issues and Challenges in Intelligent Computing Techniques (ICICT), IEEE, 2014, pp. 743–748.

06. S. K. Singh, Gopi, Varun P, and P. Palanisamy, “Image security using des and rns with reversible watermarking,” in 2014 international conference on electronics and communication systems (ICECS), IEEE, 2014, pp. 1–5.

05. Gopi, Varun P and P. Palanisamy, “Ct image reconstruction based on combination of iterative reconstruction technique and total variation,” in 2013 International Conference on Signal Processing, Image Processing & Pattern Recognition, IEEE, 2013, pp. 49–52.

04. Gopi, Varun P, M. Pavithran, T. Nishanth, S. Balaji, V. Rajavelu, and P. Palanisamy, “Image denoising based on undecimated double density dual tree wavelet transform and modified firm shrinkage,” in 2013 2nd International Conference on Advanced Computing, Networking, and Security, IEEE, 2013, pp. 68–73.

03. Gopi, Varun P, Z. Zhu, P. Palanisamy, K. A. Wahid, and P. Babyn, “Iterative method for ct image reconstruction from reduced number of projection views,” in 2013 26th IEEE Canadian Conference on Electrical and Computer Engineering (CCECE), IEEE, 2013, pp. 1–4.

02. Gopi, Varun P and P. Palanisamy, “Endoscopic image compression based on double density discrete wavelet transform and spiht coding,” in 2011 IEEE International Conference on Control System, Computing and Engineering, IEEE, 2011, pp. 466–471.

01. Gopi, Varun P, V. S. Babu, and M. Baiju, “Scaling issues in iddg finfet at small gate length,” in The 3rd International Conference on Information Sciences and Interaction Sciences, IEEE, 2010, pp. 683–687.

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

No.

Title of Project

Funding Agency

Duration

Role

Amount and Status

1

Development of Efficient Algorithms for Detecting Eye Diseases

CERD-APJAKTU Trivandrum, Kerala

6-01-17 to 25-05-18

PI

 (7.5 Lakhs)

Completed

2

Developed Efficient Traffic Monitoring Methods and Under Vehicle Scanning Inspection System

VANDI Technologies PTE LTD, Singapore

01-12-18 to 30-11-21

Co-I        

 (40 Lakhs)

Completed

3

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

SERB

02-03-19 to 01-03-22

PI

(19.48 Lakhs)

Completed

4

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

Airport Authority of India

19-11-20 to 15-10-22

Co-I

 (11.5 Lakhs)

Completed

5

Machine Learning/Artificial Intelligence (ML/AI) Hardware/Software Framework for Vyomnoids

Indian Space Research Organization (ISRO)        

06-09-21 to 05-09-24

PI

(49.55 Lakhs)

Ongoing

6 Automated Segmentation and Analysis of Neonatal and Infant Brain Magnetic Resonance Images SERB 19-01-24 to 30-11-27      PI

(22.93 Lakhs)

Ongoing

7 Ultra-Low Power SHAKTI RISC V-Based Lightweight Edge AI Processor for IoT-Enabled Healthcare Applications MeiTY, Government of India (SMDP C2S Scheme, Category-II) 15-01-24 to 14-01-29  PI

(288 Lakhs)

Ongoing

PhDs Guidance

 

No. Name of the Ph.D. Scholar Title of Ph.D. Thesis Role Category Status
1 Gayathri S. Machine Learning Algorithms for Detection and Classification of Diabetic Retinopathy Supervisor Full-time-Institute Fellowship Completed-2021
2 Hariksrishnan P. M. Development of Real-time and Accurate Computer Vision Algorithms for Intelligent Traffic Monitoring Supervisor Full-Time-Project Completed-2022
3 Sunija A. P. Deep Learning-Based Retinal Disease Detection from Optical Coherence Tomography Images Supervisor Full-Time-Project Completed-2022
4 Nisha J. S. Colorectal Polyp Detection Based on Machine Learning & Deep Learning Approaches Supervisor Full-time-Institute Fellowship Completed-2022
5 Nija K. S. Design, Implementation, and Analysis of Methods for Localization and Segmentation of Optic Disc in Retinal Fundus Images Co-Supervisor Full-Time-KTU Completed-2023
6 Sabi S. Design and Development of Deep Learning Models for the Detection and Grading of  AMD from Retinal OCT Images Co-Supervisor Part-Time-KTU Ongoing
7 R. Shalini Deep Learning-based Segmentation and Localization of Optic Disc in Diabetic Retinopathy Images Supervisor Part-Time Ongoing
8 Arun P. S. Advanced Techniques for Speckle Noise Elimination in OCT Images Using DT-CWT Fusion, Residual Learning, and Non-Local Subband Modulation  Supervisor Full-Time-QIP Thesis Submitted
9 Akshay Raj, M. R. Efficient Hardware Accelerator Design for AI/ML Algorithms: Enabling High-Performance and Energy-Efficient Computing Supervisor Full-Time-Project Ongoing
10 Nisan Pranavah Raja Deep Learning-based Segmentation of the Foveal Avascular Zone and Vessels in OCT Angiography Images Supervisor Full-time-Institute Fellowship Ongoing
11 Muthukumar B. Image Dehazing and Deraining Techniques Using Deep Learning for Enhanced Visual Perception in Challenging Weather Supervisor Part-Time-External Ongoing
12 Sreeraj S. Early Detection of Autism Spectrum Disorder based on Visual Exploration of Images Co-Supervisor Full-Time-QIP Ongoing
13 Jaya Ratnam Popuri Defect Detection in Weld Joints based on Visual Inspection using Deep Learning Co-Supervisor Part-Time-Internal Ongoing
14 Alex J Paul SoC Design for Medical Imaging Applications Supervisor Part-Time External Ongoing

 

PG & UG Thesis Guidance

Postgraduate Thesis Guidance

45 Completed

2 Ongoing

Undergraduate Project Guidance

16 Completed

0 Ongoing

Books Authored

Author(s)

Title of Book/Monograph

Name of Publishers

Year of Publication

Dr. V Suresh Babu, Dr. Varun P. Gopi

Basics of Electronics Engineering

OWL Publishers

2015

Dr. V Suresh Babu, Dr. Varun P. Gopi

Introduction to Electronics Engineering

OWL Publishers

2015

Book Chapters

09. A. Thomas. Gopi, Varun P and B. Francis, “Early stage identification of autism in children using gesture monitoring based on artificial intelligence,” in Advances in Artificial Intelligence in Biomedical Engineering, Elsevier, in press.

08. B. Francis. Gopi, Varun P, C. Devi, and A. Thomas, “Brain tumor segmentation using advanced deep learning techniques,” in Advances in Artificial Intelligence in Biomedical Engineering, Elsevier, in press.

07. A. Thomas and Gopi, Varun P, “Artificial intelligence for diabetes management,” in Advances in Artificial Intelligence in Biomedical Engineering, Elsevier, in press.

06. S. A. Ramamoorthy and Gopi, Varun P, “Breast ultrasound image processing,” in Research Anthology on Medical Informatics in Breast and Cervical Cancer, IGI Global, 2023, pp. 586–609.

05. A. Avinash, P. Biju, P. Premanath, A. Thomas, and Gopi, Varun P, “An improved method for automated detection of microaneurysm in retinal fundus images,” in Edge-of-Things in Personalized Healthcare Support Systems, Elsevier, 2022, pp. 173–186.

04. S. V. Sanker, N. B. R. S. Bilakanti, A. Thomas, Gopi, Varun P, and P. Palanisamy, “Emotion-recognition-based music therapy system using electroencephalography signals,” in Edge-of-Things in Personalized Healthcare Support Systems, Elsevier, 2022, pp. 217–235.

03. A. Thomas, P. Harikrishnan, and Gopi, Varun P, “Funnet: A deep learning network for the detection of age-related macular degeneration,” in Edge-of-Things in Personalized Healthcare Support Systems, Elsevier, 2022, pp. 157–172.

02. Gopi, Varun P, “Brain tissue segmentation to detect schizophrenia in gray matter using mr images,” in Handbook of Decision Support Systems for Neurological Disorders, Elsevier, 2021, pp. 21–32.

01. Gopi, Varun P, P. Palanisamy, and S. I. Niwas, “Capsule endoscopic colour image denoising using complex wavelet transform,” in Communications in Computer and Information Science, Springer, 2012, pp. 220–229.

Professional Recognition, Award, Prize, or 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

Editorial Board Details

 Associate Editor- Springer Journal of Physical & Engineering Sciences in Medicine (SCI, Impact Factor-7.09)

Established R&D Collaboration - National

1. Wangchuk Doma, Ophthalmologist/Eye Surgeon, Venu Eye Institute and Research Centre, New Delhi, India.

2. Dr. S Sujatha, Institute of Ophthalmology, Joseph Eye Hospital, Tiruchirappalli, Tamilnadu, India.

3. Fr. Varghese Palatty, Assistant Director, Little Flower Hospital and Research Centre, Angamaly, Kerala, India.

4. Dr. Rajith K Ravindren, Assistant Professor, Department of Clinical Psychology, Institute of Mental Health & Neuro Sciences (IMHANS), Kozhikode, Kerala, India.

5. Dr. Jayaraj U. Kidav, Scientist-D, Smart Technology and Education (STED), NIELIT Calicut, Kerala, India.

Established R&D Collaboration - Abroad

1. Dr. Ebrahim Bedeer Muhamed, Assistant Professor, Department of Electrical and Computer Engineering, University of Saskatchewan, Canada

2. Dr. Khan A. Wahid, Professor, Department of Electrical and Computer Engineering, University of Saskatchewan, Canada

3. Dr. Issac Niwas S, Research Manager, Emirates Advanced Research & Technology Holding (EARTH), Abu Dhabi, UAE.

4. Dr. T. Kirubarajan, Professor and Distinguished Engineering Professor, Electrical and Computer Engineering Department (ITB-A112), McMaster University, Canada

5. Dr. Alex Noel Joseph Raj, Professor, Department of Electronics and Information Engineering, Shantou University, China.

6. Prof. Makhan Raj Sharma, Professor, School of Computing & Digital Technology, Birmingham City University, UK.

Academic/Administrative Responsibilities

          1. Department Time Table Co-ordinator- June 2018-September 2022.

          2. Department MIS Co-ordinator- June 2018-September 2022.

          3. Staff Advisor-PG- January 2019-June 2023.

          4. Faculty In Charge-Music Club of NITT- January 2019-June 2021

          5. Member Ph.D. Admission Committee- June 2018-December 2020

Academic/Administrative Responsibilities outside the University

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

         2. Academic Council Member- Kamaraj College of Engineering and Technology, Virudhunagar, Madurai.

         3. BOS Member-Electronics & Biomedical Engineering, APJ Abdul Kalam Technological University Kerala 18.08.2023 to till date.

Workshops Conducted

       1. 5-Days Online Workshop on FPGA-Based SoC Design Targeted for Implementing AI/ML Algorithms during 27-31 December 2021.

       2. SERB Sponsored Karyashala High-End Workshop on Biomedical Signal & Image Processing: A hands-on Approach during 22-28 August 2022.

       3. SERB Sponsored Karyashala High-End Workshop on Hardware Implementation of Machine Learning and Deep Learning Algorithms using FPGA: A Hands-On Approach during 05-11 December 2022.

Invited Talks Delivered

SL. No.

Topic

Date

Inviting Organization

1

Sparsity in Signal Processing

17-03-14

Government Engineering College Calicut

2

MATLAB: Concept and Programming

12-02-15

Younus College of Engineering, Kollam, Kerala

3

Research Methodology

26-01-15

Government Engineering College, Calicut, Kerala

4

Sparsity in Signal Processing

18-08-15

Government Engineering College, Kannur, Kerala

5

Compressed Sensing

23-09-15

College of Engineering, Thalassery, Kerala

6

Data Mining With MATLAB

18-08-16

Government Engineering College, Sreekrishnapuram, Palakkad, Kerala

7

Application of Signal Processing

24-11-16

College of Engineering, Kidangoor, Kerala

8

Medical Image Processing

03-02-17

Government Engineering College, Sreekrishnapuram, Palakkad

9

Image Processing in Medical Field

21-02-17

Government Engineering College, Sreekrishnapuram, Palakkad, Kerala

10

Sparse Signal Processing

01-03-17

LBS College of Engineering, Kasargod, Kerala

11

Mathematical Modelling in Medical Diagnosis

21-09-17

Mahendra College of Engineering, Salem, Tamil Nadu

12

Introduction to Electronic Circuits

23-10-18

Kalasalingam University Madurai

13

Medical Image Processing

01-01-19

Rajadhani College of Engg. Trivandrum

14

Recent Trends in Biomedical Image Processing

24-06-19

CSE Department, TKM College of Engineering

15

Deep Learning in Medical Image Processing and Analysis

22-08-19 to 23-08-19

SRM University Chennai

16

Research Avenues in Signal Processing

19-09-19

Sree Chitra Thirunal College of Engineering, Trivandrum

17

Agriculture Intelligence

09-03-20

NSN Engineering College, Karur

18

Exploring the Nuances of Deep Learning for Research Applications-A Deeper Experience

15-07-20

Karunya University Coimbatore

19

Artificial Intelligence in Healthcare

19-07-20

Kumaraguru College of Technology, Coimbatore

20

Machine learning Algorithms for medical image processing

04-08-20

Velalar College of engineering & technology, Erode

21

Machine Learning & Deep Learning

15-06-20

Sahrdaya College of engineering, Kerala

22

Introduction to Artificial Intelligence

22-09-20

NIT Puducherry

23

Overview of Deep Learning and its Applications in healthcare

28-10-20

Sreenivasa Institute of Technology and Management Studies

24

Medical Image Processing

07-11-20

Saveetha Engineering College, Chennai

25

Internet of Medical Things

23-11-20

IIIT Trichy

26

Deep Learning For Medical Image Analysis

07-12-20

Velammal Institute of technology, Chennai

27

Deep Learning for Medical Image Analysis

14-12-20

K. J. Somaiya Institute of Engineering and Information Technology, Mumbai.

28

Medical Image Processing

18-12-20

Saveetha Engineering College, Chennai

29

Deep Learning For Medical Image Analysis

19-12-20

Velammal Institute of technology, Chennai

30

Regression and Clustering for IoT data

30-12-20

St. Joseph’s College of Engineering, Palai, Kerala

31

Deep Learning For Medical Image Analysis

09-01-21

Velammal Institute of technology, Chennai

32

Deep Learning For Medical Image Processing

11-01-21

Mar Baselios College of Engineering And Technology, Trivandrum, Kerala

33

IoT for medical Signal & Image Processing

12-01-21

Amal Jyothi College of Engineering, Kanjirappally, Kerala

34

Medical Image Processing

22-01-21

Saveetha Engineering College, Chennai

35

Biomedical Image Processing

10-08-21

College of Engineering, Perumon, Kerala

36

Introduction to Wavelets and Its Applications

11-08-21

Al-Ameen College, Edathala, Kerala

37

Introduction to Machine Learning

12-08-21

St. Joseph’s College of Engineering, Palai, Kerala

38

Alzheimer's Disease and Related Dementias

13-08-21

College of Engineering, Perumon, Kerala

39

Deep Learning for Medical Image Analysis / Processing

10-09-21

Sree Chitra Thirunal College of Engineering, Trivandrum, Kerala

40

Introduction to Machine & Deep Learning

03-12-21

R. M. K. College of Engineering, Kavaraipettai

41

Fundamentals of Image Processing

07-02-22

SRM University Chennai

42

Introduction to Machine Learning

28-03-22

CVR College of Engineering, Telangana

43

AI in Medical Imaging and IoT

26-04-22

K. Ramakrishnan College of Technology, Trichy

44

Deep Learning for  Medical Image Processing

11-05-22

Karunya University, Coimbatore

45

Biomedical Image Processing

04-07-22

Government College of Engineering, Salem

     46  Reinforcement Learning 03-02-23 Government College of Engineering, Kannur, Kerala
     47 Deep Learning for Data Analytics 26-03-23 NIT Calicut
     48 The Role of Medical Image Computing and Machine Learning in Healthcare 28-03-23 SSN College of Engineering, Chennai
     49 Application of ML and DL Techniques for Energy Systems 25-04-23 School of Engineering, CUSAT
     50 Introduction to Deep Learning and Its Application in Medical Image Processing 26-04-23 Dr. Mahalingam College of Engineering & Technology, Pollachi
     51 Introduction to Machine Learning & Deep Learning and Its Application in Energy Systems 05-05-23 Kings College of Engineering, Thanjavur
     52 Computing Convolutions  22-05-23 K. Ramakrishna College of Engineering and Technology, Tiruchirappalli
     53 Introduction to Deep Learning 21-07-23 NIT Kurukshethra 
     54 Deep Learning in Computer Vision 22-07-23 NIT Kurukshethra 
     55 Introduction to Deep Learning and Its Application in Medical Image Processing 21-08-23 VIT Vellore
     56 Hardware Accelerator for Neural Networks 18-10-23 K. Ramakrishna College of Engineering, Tiruchirappalli
     57 Energy-Efficient Deep Neural Network 04-12-23 Saranathan College of Engineering, Tiruchirappalli
     58 Neural Networks 30-01-24 SRM TRP Engineering College
     59 Introduction to Deep Learning and its Applications in Computer Vision 05-02-24 to 07-02-24 SRM University Chennai

Reviewer in Journal

1. IEEE Transactions on Industrial Electronics

2. IEEE Signal Processing Letters

3. Journal of Visual Communication and Image Representation

4. IET Image Processing

5. Elsevier Biocybernetics & Biomedical engineering

6. Journal of Intelligent Systems

7. Journal of Inverse and Ill-Posed Problems

8. The Anatolian Journal of Cardiology

9. IEEE Transactions on Medical Imaging

10. IEEE Sensors Journal

11. International Journal of Computer Assisted Radiology and Surgery

12. Elsevier Signal Processing

13. IEEE Journal of Biomedical and Health Informatics

14. Elsevier Microelectronics Journal

15. Inverse Problems in Science & Engineering

16. IETE Journal of Research

17. BioMedical Engineering OnLine

18. Springer Journal of Signal, Image and Video Processing

19. Elsevier Journal of Computers and Electrical Engineering

20. Elsevier Journal of Visual Communication and Image Representation

21. Wiley Electronic Letters

22. Elsevier Journal of Biomedical Signal Processing & Control

23. Elsevier Journal of Computer Methods and Programs in Biomedicine

24. Elsevier Journal of Computers in Medicine & Biology

25. Springer Journal of Physical & Engineering Sciences in Medicine

26. Interdisciplinary Sciences: Computational Life Sciences

27. Journal of Biomedical Engineering: Applications, Basis and Communications

28. IEEE Transactions on Industrial Informatics

29. Trends in Computer Science and Information Technology

30. IEEE Access

31. Annals of Alzheimer’s and Dementia Care

32. Journal of Engineering in Medicine

33. Computer Methods in Biomechanics and Biomedical Engineering: Imaging & Visualization

34. Springer Journal of Soft Computing

35. Journal of International Medical Research

36. IEEE Internet of Things Journal

37. Egyptian Informatics Journal

38. BMC Medical Informatics and Decision Making

39. IEEE Transactions on Systems, Man and Cybernetics: Systems

40. Springer Nature Computer Science

41. IEEE Transactions on Geoscience and Remote Sensing

42. Journal of Computational and Mathematical Methods in Medicine

43. Elsevier Digital Signal Processing

44. International Journal of Imaging Systems and Technology

45. Journal of Biomedical Engineering: Applications, Basis, and Communications

46. Sadhana

Google Scholar Link 

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

IRINS Link

https://nitt.irins.org/profile/93107

Contact Address

Dr. Varun P. Gopi, SMIEEE, MIEI, CEng

Associate Professor 

Medical Image Computing & Artificial Intelligence Hardware (MIC-AIH) LAB

Centre for SOC Design and Fabrication

Department of Electronics and Communication Engineering,

National Institute of Technology,

Tiruchirappalli - 620 015, Tamil Nadu.

Telephone: +91-431-2504495,4501

Mobile: +919995114547

E-mail: varun@nitt.edu, vpgcet@gmail.com