Dr. AVIK HATI

 

Designation: Assistant Professor
Office Address: Room No. 115, Department of ECE, NIT Tiruchirappalli, Trichy - 620015, Tamil Nadu
Telephone: Ext. 4484
Email (Primary): avikhati@nitt.edu
Field(s) of Specialization: Image Processing, Computer Vision, Machine Learning

Research Interests

Image Processing, Computer Vision and Machine Learning: image co-segmentation, subgraph matching, image saliency, scene analysis, robust computer vision, adversarial machine learning

Teaching

  • Digital Signal Processing, Winter, 2024
  • Internet of Things, Winter, 2024
  • Foundations of Artificial Intelligence, Autumn, 2023
  • Devices and Networks Lab, Autumn, 2022, 2023
  • Introduction to Electronics and Communication Engineering, Winter 2023, 2024
  • Communication Engineering Lab, Winter 2023
  • Basics of Electrical and Electronics Engineering, Autumn 2022
  • Data Structures and Algorithms (DA-IICT, Winter 2021, 2022)
  • Signals and Systems (DA-IICT, Autumn 2021)
  • Computer Vision (DA-IICT, Autumn 2021)

Qualifications

Ph.D., Department of Electrical Engineering, Indian Institute of Technology Bombay, 2018. Thesis: Robust and Efficient Unsupervised Image Co-segmentation.

M.Tech., Department of Electronics and Electrical Engineering, Indian Institute of Technology Guwahati, 2012. Thesis: Anonymous Computing Protocols for E-voting and E-tendering.

B.Tech., Department of Electronics and Communication Engineering, Kalyani Government Engineering College, West Bengal University of Technology, 2010.

Employment Profile

Assistant Professor Grade II (Pay Level 11) in ECE Department, NIT Tiruchirappalli, Mar 2024 – Present.

Assistant Professor Grade II (Pay Level 10) in ECE Department, NIT Tiruchirappalli, Oct 2022 – Mar 2024.

Assistant Professor at Dhirubhai Ambani Institute of Information and Communication Technology (DA-IICT), Gandhinagar, Sep 2020 to Oct 2022.

Postdoctoral Researcher at Istituto Italiano di Tecnologia Genova, Italy (PAVIS department), Mar 2019 to Feb 2020.

Project Research Scientist at National Center for Excellence in Technologies for Internal Security (NCETIS), IIT Bombay, Aug 2018 to Jan 2019.

Projects

  • Consultancy project with Azure Knowledge Corporation, Ahmedabad, 2021.
  • Worked on a project from the Egyptian Museum, Turin, 2019-20.

Academic/Administrative Responsibilities at NITT

  • ECE department UG NBA team member (received accreditation of 6 years), 2023
  • ECE department B.Tech. Final Year Project Review Committee member, Winter 2023, 2024
  • ECE department PhD and MS Admission Committee member, July session, 2023
  • ECE department UG Industry Lecture Evaluation Committee, 2022-2023, 2023-2024
  • ECE department PG students (2nd year M.Tech. Communication Systems) Class Coordinator and Mentor, 2023-2024

Academic/Administrative Responsibilities outside NITT

  • Library committee member at DA-IICT, Nov 2020 – July 2022
  • Web committee member at DA-IICT, Nov 2020 – Nov 2021
  • Time-table committee member at DA-IICT, Aug 2022 – Oct 2022

Participation in Workshops/ Symposia/ Conferences/ Colloquia /Seminars/ Schools etc.

 
 
 
 
 
 
 
 
 
 
 
 
 
 
Date (s) Title of Activity Level of Event Role Organized by Venue
14-17 Dec, 2014 ICVGIP Conference & Workshop International Paper presenter & Participant ACM and IUPRAI IISc Bangalore
27-30 Sep, 2015 ICIP Conference & Workshop International Paper presenter & Participant IEEE Quebec City Convention Center
08-16 Oct, 2016 ECCV Conference & Workshop International Paper presenter & Participant University Of Amsterdam Amsterdam
11-15 June, 2018 Neuromorphic Computing Workshop National Participant IISc Bangalore and Broadcom IISc Bangalore
18-22 Dec, 2018 ICVGIP Conference & Workshop International Participant ACM and IUPRAI IIIT Hyderabad
12-15 Oct, 2020 Training Programme Local Participant Centre for Development of Advanced Computing Gujarat Council on Science & Technology, Gandhinagar
09-14 Aug, 2021 Training Programme on ML/DL for Earth Observations (EO) Applications National Speaker Space Applications Centre, ISRO DA-IICT Gandhinagar

Academic Achievements / Awards / Fellowships

  • Received Institute Research Associateship at IIT Bombay, 2018.
  • Received Conference Travel Grant from Bharti Center for Communications, IIT Bombay for presenting paper at the 14th European Conference on Computer Vision (ECCV), 2016.
  • Awarded Conference Travel Grant by IEEE Signal Processing Society for presenting paper at the 22nd IEEE International Conference on Image Processing (ICIP), 2015.
  • Received International Conference Grant of INR 1,00,000 from IIT Bombay, 2015.
  • Received MHRD Ph.D. Fellowship, 2012-2017.
  • Received GATE Fellowship from MHRD for M.Tech., 2010-2012.
  • Rank 1 in B.Tech. in ECE Department, Kalyani Government Engineering College, 2006-2010.

Students

  1. Rohith (B.Tech 2023-24, NITT)
  2. Muguntha Madhavan (B.Tech 2023-24, NITT)
  3. Karthik Nakka (B.Tech 2023-24, NITT)
  4. Keerthana Senthilnathan​ (B.Tech 2023-24, NITT)
  5. Manasvin Surya (B.Tech 2023-24, NITT)
  6. Anusha Kuruba (M.Tech 2023-24, NITT)
  7. Unmesh Dhere (M.Tech 2023-24, NITT)
  8. Kotha Sai Kiran (B.Tech 2022-23, NITT)
  9. Jai Ganesh (B.Tech 2022-23, NITT)
  10. Pasupuleti Rugvedh (B.Tech 2022-23, NITT)
  11. M.Gowtham Rohith (B.Tech 2022-23, NITT)
  12. Praneeth (B.Tech 2022-23, NITT)
  13. Vivek Vardhan (B.Tech 2022-23, NITT)
  14. Dhyanil Mehta (M.Tech. 2021-2022, DA-IICT): Cross-modal remote sensing image retrieval
  15. Sana Baid (M.Tech. 2021-2022, DA-IICT): Common object segmentation in dynamic image collection using attention mechanism
  16. Kishankumar Vaishnani (M.Tech. 2021-2022, DA-IICT): Deep learning based nuclei segmentation in histopathological images
  17. Krunal Mehta (M.Tech. 2021-2022, DA-IICT): Shadow detection and removal from images
  18. Shivangi Gajjar (M.Tech. 2021-2022, DA-IICT): Generating targeted adversarial attacks and assessing their effectiveness in fooling deep neural networks
  19. Hari Charan (M.Tech. 2021-2022, DA-IICT): Automatic text translation of multilingual sentences using transformer
  20. Raj Shah (M.Tech. 2021-2022, DA-IICT): Cross-domain person re-identification

Journals and Books

  • Umang Patel, Shruti Bhilare, Avik Hati, "Enhancing Cross-domain Transferability of Blackbox Adversarial Attacks on Speaker Recognition Systems using Linearized Backpropagation", Pattern Analysis and Applications, 2024 (accepted).
  • Avik Hati, Rajbabu Velmurugan, Sayan Banerjee, Subhasis Chaudhuri, "Image Co-segmentation", Studies in Computational Intelligence, vol. 1082, Springer Nature Singapore, Feb 2023.
  • Avik Hati, Subhasis Chaudhuri, Rajbabu Velmurugan, "An Image Texture Insensitive Method for Saliency Detection", Elsevier Journal of Visual Communication and Image Representation, vol. 43, pp. 212–226, Jan 2017.

International Conferences

  • Hitul Desai, Debabrata Pal, Ankit Jha, Avik Hati, Biplab Banerjee, "RS-MCQA: Multi-class Question Aware Visual Question Answering for Optical Remote Sensing Datasets", Proc. 2023 International Symposium on Signals, Circuits and Systems (ISSCS), Iasi, Romania, July 2023, pp. 1-4.
  • Umang Patel, Shruti Bhilare, Avik Hati, "Enhancing Transferability of Adversarial Audio in Speaker Recognition Systems", Proc. 11th IAPR Iberian Conference on Pattern Recognition and Image Analysis (IbPRIA), Alicante, Spain, June, 2023.
  • Kishan Vaishnani, Bakul Gohel, Avik Hati, "Impact of Stain Normalisation Technique on Deep Learning based Nuclei Segmentation in Histopathological Image", Proc. 2023 International Conference on Advances in Intelligent Computing and Applications (AICAPS), Feb 2023, pp. 1-4.
  • Krunal Mehta, Manish Khare, Avik Hati, "Integration of GAN and Adaptive Exposure Correction for Shadow Removal", Proc. 7th IAPR International Conference on Computer Vision & Image Processing (CVIP), Nagpur, Nov 2022, pp. 161-175.
  • Shivangi Gajjar, Avik Hati, Shruti Bhilare, Srimanta Mandal, "Generating Targeted Adversarial Attacks and Assessing their Effectiveness in Fooling Deep Neural Networks," Proc. 14th IEEE International Conference on Signal Processing and Communications (SPCOM), Bangalore, Jul 2022, pp. 1-5.
  • Meet Shah, Srimanta Mandal, Shruti Bhilare, Avik Hati, "Increasing Transferability by Imposing Linearity and Perturbation in Intermediate Layer with Diverse Input Patterns," Proc. 14th IEEE International Conference on Signal Processing and Communications (SPCOM), Bangalore, Jul 2022, pp. 1-5.
  • Avik Hati, Matteo Bustreo, Diego Sona, Vittorio Murino, Alessio Del Bue, "Weakly Supervised Geodesic Segmentation of Egyptian Mummy CT Scans", Proc. 25th IAPR International Conference on Pattern Recognition (ICPR 2020), Milan, Jan 2021, pp. 5565-5572.
  • Sayan Banerjee, Avik Hati, Subhasis Chaudhuri, Rajbabu Velmurugan, "CoSegNet: Image Co-segmentation using a Conditional Siamese Convolutional Network", Proc. 28th International Joint Conference on Artificial Intelligence (IJCAI), Macao, Aug 2019, pp. 673-679.
  • Sayan Banerjee, Avik Hati, Subhasis Chaudhuri, Rajbabu Velmurugan, "Image Co-segmentation using Graph Convolution Neural Network", Proc. 11th Indian Conference on Vision, Graphics and Image Processing (ICVGIP), Hyderabad, Dec 2018, pp. 57:1-57:9.
  • Avik Hati, Subhasis Chaudhuri, Rajbabu Velmurugan, "Co-segmentation of Non-homogeneous Image Sets", Proc. 25th IEEE International Conference on Image Processing (ICIP), Athens, Oct 2018, pp. 266-270.
  • Avik Hati, Subhasis Chaudhuri, Rajbabu Velmurugan, "Image Co-segmentation using Maximum Common Subgraph Matching and Region Co-growing", Proc. 14th European Conference on Computer Vision (ECCV), Amsterdam, Oct 2016, pp. 736–752.
  • Avik Hati, Subhasis Chaudhuri, Rajbabu Velmurugan, "Salient Object Carving", Proc. 22nd IEEE International Conference on Image Processing (ICIP), Quebec City, Sep 2015, pp. 1767–1771.
  • Avik Hati, Subhasis Chaudhuri, Rajbabu Velmurugan, "Saliency Detection based on a Sparsity of Segments Model", Proc. 9th Indian Conference on Vision, Graphics and Image Processing (ICVGIP), Bangalore, Dec 2014, pp. 40:1-40:8.

Membership of Learned Societies

  • IEEE
  • IEEE Signal Processing Society
  • IEEE Computer Society

Talks Delivered

  1. Delivered an expert talk on “Segmentation of Histopathological Data and CT Scan data” during the webinar series of Indian Institute of Public Health Gandhinagar (IIPHG), 3rd June, 2022.
  2. Delivered an expert talk on “Deep Learning for Computer Vision” during the Training Programme on ML/DL for Earth Observations (EO) Applications organized by the Space Applications Centre (SAC), ISRO, during 9th to 14th August, 2021.
  3. Delivered an expert talk on “Geodesic Segmentation” during the colloquium series of Centre for Artificial Intelligence and Language Processing, DA-IICT, 7th October, 2020.
  4. Delivered an expert talk on “Image Co-segmentation using Subgraph Matching” during Electrosymp2020 conducted by the School of Electrical and Electronics Engineering in association with IEEE student branch, VIT Bhopal University, Bhopal, during 17th to 18th July 2020.

Colloquia/Seminars Organized

  • Session chair at National Seminar of New Trends in Signal Processing (NeTSiP 2021) during 19-21 March, 2021.

Reviewer

  • IEEE Access
  • Science Progress
  • IEEE International Conference of Computer Vision and Pattern Recognition (CVPR)
  • Indian Conference on Computer Vision, Graphics and Image Processing (ICVGIP)
  • National Conference on Computer Vision, Pattern Recognition, Image Processing and Graphics (NCVPRIPG)
  • International Conference on Signal Processing and Communications (SPCOM)
  • National Conference on Communication (NCC)
  • IFAC Conference on Cyber-Physical & Human-Systems

Miscellaneous

 

Students willing to do projects/ theses can send email to avikhati@nitt.edu