Dr. R. Hemalatha, Associate Professor in the department of ECE, SNU Chennai, has 18 years of teaching experience. She received her B.E. degree in Electronics and Communication Engineering from Periyar University and M.E. degree in Communication Systems from Anna University (with College Gold medal). She obtained her Ph.D. degree from Anna University for her research on Image transmission in WMSN. She was also a visiting researcher at Carnegie Mellon University, USA under Pro. Raj Reddy, focusing on advanced AI tools for research and education. Before joining SNU, she served at SSN College of engineering, Rajalakshmi Engineering College, Chennai and AKCE, Srivilliputhur. She has received funded projects from SPARC, DST SSTP and SSN trust. Project by her team titled “Efficient IoT enabled Plant Disease Detection System” was exhibited under the theme Agriculture & Food Processing at the IInvenTiv 2024, India’s premier R&D Innovation Fair. She has supervised 2 Ph.D. scholars, guided over 35 undergraduate and postgraduate projects and 14 Student Internal Funded Projects sanctioned by SSN Trust. Her research interests include Wireless Multimedia Sensor Networks, Image Processing, IoT, Edge AI and Smart Agriculture. She has one granted Indian patent, 19 peer-reviewed journal publications, 32 conference papers, a book, and a few book chapters. She is a member of IEEE, and Life member of ISTE.

Work Experience

Experience: 21 yrs (Teaching: 18 yrs, Research: 3 yrs)

• 2005 – 2007,  Lecturer,2026 – till date Associate Professor, Shiv Nadar University, Chennai.
• 2016 – 2026,  Associate Professor, SSN College of Engineering, Chennai
• 2013 – 2015,  Assistant Professor, SSN College of Engineering, Chennai
• 2011 – 2013,  JRF, SSN College of Engineering, Chennai
• 2007 – 2011,  Lecturer, Rajalakshmi Engineering College, Chennai Arulmigu Kalasalingam College of Engineering, Krishnankoil

Projects

1. Ongoing (consultancy)

• Title: AI-Based Smart Drone for Pest and Disease Detection in Chilli and Marigold Cultivation, Investigators: Dr. S. Radha, Dr. R. Hemalatha, Dr. S. Aasha Nandhini Industry: FF Bioworks (India) Private Limited, Project Value: ₹27.85 lakh, Project Duration: 2025- Present, Status: Ongoing

2. Completed

• Title: Efficient Water Management in Agricultural Fields Using Mule-Based Sensor Networks, Indian Investigators: Dr. S. Radha (PI), Dr. R. Kishore (Co-PI), Dr. R. Hemalatha (Co-PI), Dr. R. Selvarajan (Co-PI) Foreign Investigators: Michael Segal (PI), Dr. Shlomi Dolev (Co-PI), Ben-Gurion University of the Negev, Israel, Funding Agency: SPARC, Fund Allocated: ₹63.10 lakh, Project Duration: 2023-2026, Status: Completed
• Title: Development of an Efficient IoT Enabled Plant Disease and Pest Detection System, Investigators: Dr. R. Selvarajan (Main PI), Dr. S. Radha (PI), Dr. R. Hemalatha (Co-PI), Dr. B. Padmanaban (Co-PI), Dr. R. Thangavelu (Co-PI), Funding Agency: DST-SSTP, Fund Allocated: ₹62.26 lakh, Project Duration: 2019-2021, Status: Completed
• Title: Development of Embedded Tiny Vision Mule for Smart Agriculture
  Investigators: Dr. S. Aasha Nandhini (PI), R. Hemalatha (Co-PI), Funding Agency: SSN Trust, Fund Allocated: ₹2.25 lakh, Project Duration: 2023-2025, Status: Completed
• Title: Development of an Automatic Fabric Defect Detection System, Investigators: Dr. R. Hemalatha (PI), Dr. K. Muthumeenakshi (Co-PI), Funding Agency: SSN Trust, Fund Allocated: ₹2.50 lakh, Project Duration: 2019-2021, Status: Completed

Publications

Journals – 19, Conferences – 32, Book Chapters – 4, Book – 1

1. Journals

1. Sudharsan, S., Hemalatha, R. & Radha, S. Deep learning techniques for hyperspectral imaging classification: challenges and opportunities. Environ Earth Sci 85, 223 (2026).
2. Sudharsan, S., Hemalatha, R., Tejas N. V. & Krisha Aarunee Sivakumar, Machine learning-driven mineral identification using PRISMA hyperspectral data along the coastal regions of Southeast Tamil Nadu. Earth Sci Inform 18, 327 (2025).
3. S. Sudharsan, R. Hemalatha, S.Radha, “Exploring Clay and Silicate-Based Mineral Profiles Along Pichavaram Coastal Region, Tamil Nadu, with AVIRIS-NG Hyperspectral Data” in Journal of Seismic Exploration, vol. 32, pp. 01-18, November 2024.
4. Anitha, M. J., Hemalatha, R., & Radha, S. (2024). Crack size determination in stone historical monuments using ICD mask R-CNN. Journal of Structural Engineering, 51(1-2), May 2024, 51–66.
5. R Hemalatha, K Muthumeenakshi & S Radha (2023) A neural-network-based machine-learning model for fabric defect detection and classification using fused global features, Australian Journal of Electrical and Electronics Engineering, 20:4, September 2023, 371-386.
6. R, R Hemalatha and K Muthumeenakshi, “Dictionary Learning Based Adaptive Defect Detection in Complex Fabric Textures”, International Journal of Computing and Digital Systems, September 2023, pp.669-778.
7. S. Aasha Nandhini., R, Hemalatha, S, Radha, Shreya Gaur and Selvarajan. R, “A smart agriculturing IoT system for banana plants disease detection through inbuilt compressed sensing devices”, Multimed Tools Appl (May 2023).
8. M. J. Anitha and R. Hemalatha, “Efficient crack severity level classification using bilayer detection for building structures,” Computer Systems Science and Engineering, vol. 46, no.1, pp. 1183–1200, January 2023.
9. Kailasam. M, Sankararajan. R, and Rajendran. H, “Improved Collaborative Spectrum Sensing Scheme for Maritime Cognitive Radio”, Indian Journal of Geo-Marine Sciences, vol.50, no.8, August 2021, pp. 603 – 612.
10. Blessy Annie Flora. J, S. Radha, R. Hemalatha, and Aasha Nandhini. S, “Plant Disease Detection for Banana using Long Range Wide Area Network”, International Journal of Security and Networks, vol.16, No.2, July 2021, pp.129-134.
11. Ajay Nair, Hemalatha R, P Sangeetha, Harish Kumar K, Dinesh Kumar P, Inakota Sai Sahith and S. Radha, “Efficient crack detection and quantification in concrete structures using IoT”, Australian Journal of Electrical and Electronics Engineering, Vol.18, Issue.1, May 2021, pp. 43-57.
12. Monika, R., Hemalatha, and Radha, S., “Energy efficient surveillance system using WVSN with reweighted sampling in modified fast Haar wavelet transform domain”, Multimedia Tools and Applications, May, 2018.
13. S. Aasha Nandhini, R.Hemalatha, Radha S, and K.Indumathi , “Web Enabled Plant Disease Detection System for Agricultural Applications Using WMSN”, Wireless Personal Communication, Springer, pp 1-16, December, 2017.
14. Hemalatha, R, Radha, S and Sudharsan, S, ‘Energy-efficient image transmission in wireless multimedia sensor networks using block-based Compressive Sensing’, Elsevier Computers and Electrical Engineering, Vol.44, Feb 2015, pp.67-79.
15. Hemalatha, R, Ramaprabha R and Radha S, “Design and Implementation of PV based Energy Harvester for WSN Node with MAIC algorithm” Advances in Electrical and Computer Engineering, Vol.15, No.2, May 2015, pp. 109-116.
16. Monika R, Hemalatha R and Radha S, “Enhanced Image Reconstruction using Coefficient Permuted Reweighted Sampling based Compressed Sensing for WSN” International Journal of Applied Engineering Research (IJAER), Vol. 10, No. 41, May 2015, pp.30327-30332.
17. Hemalatha, R, Ramaprabha, R and Radha, S, “A Comprehensive Analysis on Sizing of Solar Energy Harvester Elements for Wireless Sensor Motes”, International Journal of Smart Sensing and Intelligent Systems, vol. 8, no. 15, March 2015, pp. 291-315.
18. R. Hemalatha, S.Radha, and Jalbin.J, “Efficient Image Transmission over WVSNs using Two Measurement Matrix based CS with Enhanced OMP” International Journal of Distributed Sensor Networks, vol. 2014, pp. 1-13.
19. Hemalatha. R, Ramaprabha.R, and Radha.S, “Modeling of Photovoltaic Charging System for the Battery Powered Wireless Sensor Networks” in Springer LNEE, Lecture notes in Electrical Engineering, vol.150, 2013, pp. 225-235.

2. Book Chapters

1. Radha S, Aasha Nandhini S, Hemalatha R, “Efficient Anomaly Detection System for Video Surveillance Application in WVSN with Particle Swarm Optimization” Book chapter, Springer’s Studies in Computational Intelligence Series, Computational Intelligence in Wireless Sensor Networks: Recent Advances and Future Challenges (CIWSN 2015), 153-177.
2. Hemalatha, Dr. S. Radha, Dr. K. Muthumeenakshi, “Disease Monitoring of Cucumber in Polyhouse through IoT based Mobile Application”, Book chapter, in IGI Global, Artificial Intelligence and IoT-Based Technologies for Sustainable Farming and Smart Agriculture, pp. 273-288, 2021.
3. Anitha M.J., Hemalatha R., Radha S., “A Survey on Crack Detection Algorithms for Concrete Structures”. Book chapter, In: Suresh P., Saravanakumar U., Hussein Al Salameh M. (eds) Advances in Smart System Technologies. Advances in Intelligent Systems and Computing, Springer, vol 1163, 2021, pp.639-654.
4. Sudharsan, S., Hemalatha, R., Gowtham, K., Prasadh, S.G., Shelson, J. (2025). Spectral Analysis of Seashore Minerals by Mineralogical Mapping. In: Tuba, M., Akashe, S., Joshi, A. (eds) ICT Systems and Sustainability. ICT4SD 2024. Lecture Notes in Networks and Systems, vol 1194. Springer, Singapore.

3. Book

1. Radha S, Hemalatha R, Aasha Nandhini S, “Compressive Sensing for Wireless Communication: Challenges and Opportunities”, River publication, September 2016.

4. Patents

(Granted – 01, Published – 03)

1. A patent (No.430222) titled “A System, Device and Method for Plant Disease Detection and Alert” granted in the name of Sri Sivasubramaniya Nadar College of Engineering on 27.04.2023 with effect from 01.11.2020. The inventors are Dr. S. Radha, VP/SSN CE, Dr. R. Selvarajan, Director/NRCB, Dr. R. Hemalatha, ASP/ECE and Dr. S. Aasha Nandhini, AP/SRMIST.
2. A patent application (App. No: 202541018223) titled ” An Automated System and Method for Water Quality and Filter Condition Monitoring in Household RO Purifiers” has been published on 14-03-2025.
3. A patent (App. No: 202541060027) titled “System and Method Thereof for Real-Time Plant Disease Detection in Agricultural Fields Using a Movable Edge- Processing Device” is published on 04.07.2025.
4. A patent 202541043033 titled “Early-Stage Red Palm Weevil Detector with Edge based monitoring” is published on 30.05.2025.

5. Conference Proceedings

• International Conferences

1. Hemalatha. R, Prashobh Saji James and Preethalakshmi.K, “Deep Learning based Red Palm Weevil Detection using Vibration Signatures and Data Mules,” 2025 First International Conference of Advances in Engineering and Computing Technologies for Sustainable Development (AECTSD), COIMBATORE, India, 2025, pp. 1-6.
2. S. K. Ragav and R. Hemalatha, “Analysis of Edge based Image Compression for Smart Traffic Monitoring using Wireless Multimedia Sensor Networks,” 2025 IEEE 2nd International Conference for Women in Computing (InCoWoCo), India, 2025, pp. 1-7.
3. P. V, S. Nivedhan, R. S. Ranjani and R. Hemalatha, “Deep Learning Based Intelligent Surveillance in Shopping Malls and Retail Stores,” 2024 First International Conference for Women in Computing (InCoWoCo), Pune, India, 2024, pp. 1-4.
4. Mohammed Javid Jafir N, Kirthivasan B, UG-ECE 2020-2024 Batch, R. Hemalatha, “Battery Life Prediction and Explosion Prevention in Electric Vehicles”, International Conference on Recent Trends in Electrical, Electronics and Communication Engineering, organized by St. Peter’s College of Engineering and Technology, Avadi, Chennai, on 15th May 2024.
5. Surya Kumaran S, Rokesh Kumar P, R. Hemalatha, “Crash and Helmet Violation Detection System using On-Device YOLOv3 Model” 2024 International Conference on Advances in Modern Age Technologies for Health and Engineering Science (AMATHE 2024), organized by PES Institute of Technology and Management (PESITM), Shivamogga, India, May 16-17, 2024, pp. 1-7.
6. Kruthi. R, Srivathsav. M, Vinu Abinayaa. R and R. Hemalatha, “Clustering and Deep Learning – based Anomaly detection in gas sensor data,” 2023 OITS International Conference on Information Technology (OCIT), NIT, Raipur, India, December, 2023, pp. 190-195.
7. S. Sneha, Shweta Srikanth, B. Vibish Kashyap, Vishnu K. Krishnan, R. Hemalatha and S. Radha, “IoT Based Remote ECG Monitoring System” ACM/CSI/IEEECS Research & Industry Symposium, AIC-IIIT Kottayam, May 2021, pp. 10-15.
8. R. Deepika Devi, Hemalatha.R, Radha.S and Shreya Gaur, “IoT Enabled Efficient Detection and Classification of Hill Banana Diseases”, Second International Conference on Advances in Electrical, Electronic and System Engineering, Gauhati University, Assam, November, 2019, pp.447-451.
9. Sudharsan Sridhar, Hemalatha R, Radha S, “A Survey on Hyperspectral Imaging for Mineral Exploration using Machine learning algorithms”, 2019 International Conference on Wireless Communications, Signal Processing and Networking (WiSPNET), SSN College of Engineering, Chennai, March 2019, pp.206-212.
10. R Deepika Devi, Aasha Nandhini S, R Hemalatha and S Radha published a paper titled “IoT Enabled Efficient Detection and Classification of Plant Diseases for Agricultural Applications”, 2019 International Conference on Wireless Communications, Signal Processing and Networking (WiSPNET), SSN College of Engineering, Chennai, March 2019, pp. 447-451.
11. M. J.Anitha, R Hemalatha and S Radha , “A Survey on Crack Detection Algorithms for Steel Structures”, International Conference on Contemporary Engineering and Technology, Prince Shri Venkateshwara Padmavathy Engineering College, Chennai, 9-10 March, 2019.
12. M. Umeha,R.Hemalatha , Radha S , “Structural Crack Detection using High Boost Filtering based Enhanced Average Thresholding”, IEEE International Conference on Communication and Signal Processing at Adhiparasakthi Engineering College, Melmaruvathur, April 3-5, 2018, pp. 1000-1004.
13. K. Indumathi, R.Hemalatha, S.Aasha Nandhini, Radha S, “Intelligent Plant Disease Detection System using Wireless Multimedia Sensor Networks”,IEEE international   conference on Wireless Communications Signal processing and Networking, Chennai, India, March 2017, pp.1607-1611.
14. R. Devi, R.Hemalatha, S.Radha, “Efficient Decision Support System for Agricultural Application” ” in the Proceedings of 3^rd International Conference on Advances in Electrical, Electronics, Information, Communication and Bio-Informatics (AEEICB17), Feb 2017, Chennai, pp.379-381.
15. Sudha M, Kirubaveni S, Hemalatha R, Radha S, “Design of Modified Power conditioning circuit for Piezoelectric Vibration Energy Harvester” in the Proceedings of IEEE international   conference on Wireless Communications Signal processing and Networking (Wispnet 2016), March 2016, Chennai, India, pp. 2226-2231.
16. Monika R, Hemalatha R and Radha S, “Energy Efficient Weighted Sampling Matrix based CS Technique for WSN”, IEEE Sensors 2015, Busan, Korea, November 2015, pp.1835-1838.
17. S. Radha, R.Hemalatha, S.Sudharsan, “Energy Analysis for Multihop Image Transmission in WMSN Using Compressed Sensing”, International Conference on Next Generation Computing and Communication Technologies 2014, Dubai, UAE, April , 2014.
18. Hemalatha.R, Radha.S, Raghuvarman.N, Soumya.B, Vivekanandan.B “Energy Efficient Image Transmission over Bandwidth Scarce WSN using Compressed Sensing” in the proceedings of the International Conference on IT and Intelligent Systems (ICITIS’2013), August 2013 at Penang, Malaysia, pp. 57-61.
19. Loganathan A, Hemalatha R and S.Radha, “Comparison of encoding techniques for transmission of image data obtained using Compressed Sensing in Wireless Sensor Networks” Third International conference on Recent Trends in Information Technology, July 2013, Madras Institute of Technology, Chennai, pp. 696-701.
20. Harish.S, Hemalatha R and S.Radha, “Image recovery from reduced sparse measurements by compressed sensing based on wavelet transform” Third International conference on Recent Trends in Information Technology, July 2013, Madras Institute of Technology, Chennai, pp.244-249.
21. Loganathan A, Hemalatha R and Dr.S.Radha, “Efficient image encoding technique for wireless sensor networks using compressed sensing”, International conference on Advancement in Engineering and Technology (ICAET 2013), April ^6th, Vol-2, pp. 174-181.
22. Jalbin.J, Hemalatha R and S.Radha, “Two Measurement Matrix Based Nonuniform Sampling for Wireless Sensor Networks”, Third International Conference on Computing, Communication and Networking Technologies 2012, Chettinad college of Engineering and Technology, Karur.

• National Conferences:

1. L. R. Rahul (UG Student), R. Hemalatha (Faculty – ECE), S. Radha (Faculty – ECE), A. Nitish Kumar(UG Student), “DDOS and SQL Injection Attacks and Detection”, 6th National Conference on Information and Communication Technology, NCICT 2020, held at SSNCE, June 12, 2020.
2. Niranjana S (UG Student), Riya Joshiny A C (UG Student), Praylin Shaju P T (UG Student), K. Muthumeenakshi, (Faculty – ECE) and R. Hemalatha, (Faculty – ECE), “Fabric Defect Detection and Classification Using Convolution Neural Networks”, 6th National Conference on Information and Communication Technology, NCICT 2020, held at SSNCE, June 12, 2020.
3. V. Vimal , R.Hemalatha, K. K. Nagarajan, “Analysis of Low Power Double Gate FinFET based 10T SRAM cell”, National Conference on Research Challenges in VLSI Design and Embedded Systems for Wireless Communication, RCVEWC 2016,  SSN College of Engineering, June 2016, pp-43-51.
4. J. Rajmohan , R.Hemalatha, S.Radha, “Design and Implementation of Solar Energy Harvester for WSN used for Remote Surveillance Applications”, National Conference on Research Challenges in VLSI Design and Embedded Systems for Wireless Communication, RCVEWC 2016, SSN College of Engineering, June 2016. pp-211-215.
5. S. Radha, R.Hemalatha, S.Prasanna, S.Sandeep kumar and J.Srikanth, “Image Compression and transmission using Compressive Sensing over Wireless Sensor Networks”, National Conference on Emerging Trends in Information and Communication Technologies (NCETICT – 2K13), March 22, at SSN college of Engineering.
6. Harish.S, Hemalatha R and S.Radha, “Image Recovery from Reduced Sparse Measurements by Compressed Sensing” National Conference on Emerging Trends in Modern Electronics and Biomedical Engineering, “NCMEBME’13”, Jerusalem College of Engineering, May 2013.
7. Anitta Roselin A M, Hemalatha.R “Voice Chatting Using Session Initiation Protocol(SIP) Server” National Conference on Emerging Trends in Networks and High Performance Communication System Adhiyamaan College of Engineering,  Hosur, Feb 2006.
8. Getsy S Sara, Hemalatha.R “Timing Synchronization in Sensor Networks Using Dynamic Broadcasting” National Conference on Emerging Trends in Networks and High Performance Communication System Adhiyamaan College of Engineering, Hosur, Feb 2006.
9. Hemalatha, V.S.KanchanaBhaaskaran, J.Raja “Power Management in Banyan Switching Architecture” National Conference on Biosignal, Communication and Networking, NCBCN 2005, SSN College of Engineering, Chennai, 2005.
10. V S Kanchana Bhaaskaran, R Hemalatha and P VeeraLakshmanan “Performance analysis of low power adders” National Conference on Recent trends in Communication, NCRTC 2005, AKCE, Krishnan Koil, 2005.

Awards

1. Best paper Award: International conference held at Penang, 2013 and IEEE-InCoWoCo at Pune, 2024, 2025
2. Mentored student teams to success in national and international innovation competitions, including Smart India Hackathon (Winner, 2019), SAMVEDAN 2021 (Semi-finalist), IEEE YESIST12 2023 (Runner-up and International Finalist), and Build to Innovate – IITM Research Park (Second Prize, 2024).
3. Project titled “Efficient IoT enabled Plant Disease Detection System” was exhibited under the theme Agriculture & Food Processing at the IInvenTiv 2024, India’s premier R&D Innovation Fair.

Area of Research

• Wireless Multimedia Sensor Networks (WMSN)
• Internet of Things (IoT), Embedded and Edge AI
• Image Processing
• Machine Learning
• Automated systems for Precision Agriculture and Smart Farming
• Intelligent Surveillance Systems