2023-24 Admission started. Contact : 9188754399, 9746746944, 9847644448





Ph.D- Image processing

Yr. of Experience

14 years 2 months


Image Processing


Signal Processing

Date of Joining: 04/07/2019

Nature of Association: Regular


Working as an Associate Professor at MCET Pathanamthitta since 04/07/2019
 Worked as an Assistant Professor at GISAT Kottayam18/05/2012 to 02/07/2019 (7 Years).
 Worked as a Lecture in Government Polytechnic College Nedumkandam for 9 Months.
 Worked as a software Engineer for 3.5 Years at XUSLIMITS Kollam.


  1. Digital image processing
  2. Digital electronics
  3. Microprocessors and applications
  4. Microprocessors and microcontroller
  5. VLSI design
  6. Embedded systems
  7. Micro electro mechanical systems
  8. Communication network
  9. Mechatronics
  10. Switching theory and logic design
  11. Real-time embedded system design
  12. Wireless Adhoc and sensor networks
  13. Advanced communication networks
  14. Optical Communication
  15. Nano Electronics
  16. DVLSI
  17. AVLSI
  18. Sustainable Engineering


1. R Thomas and MJS Rangachar, “Fractional Bat and Multi-Kernel-Based Spherical SVM for Low Resolution Face Recognition” International Journal of Pattern Recognition and Artificial Intelligence Vol. 31, No. 8 (2017) 1756014 (28 pages) World Scientific Publishing Company DOI:10.1142/ S0218001417560146 www.worldscientific.com (SCI Indexed Journal)
2.  R Thomas and MJS Rangachar, “Integrating GWTM and BAT algorithm for face recognition in low-resolution images” The Imaging Science Journal. ISSN: 1368-2199 (Print) 1743-131X Journal homepage: http://www.tandfonline.com/loi/yims20 (SCI Indexed Journal)
3.  R Thomas and MJS Rangachar, “Towards Proposing Gabor Ratio Measures and Fuzzy Logic Classifier for Face Recognition” International Journal of Applied Engineering Research ISSN 0973-4562 Volume 11, Number 11 (2016) pp 7200-7211 (Scopus Indexed Journal)
International Conference papers
1.     R Thomas, “Face recognition from image patches using an ensemble of CNN-local mesh pattern networks.” 2021 6th International Conference for Convergence in Technology (I2CT). IEEE, 2021.
2.     R Thomas and MJS Rangachar, “Genetic algorithm optimization and Multi-kernel-based spherical SVM for Low-Resolution face recognition.” IEEE Third International Conference on contemporary computing and informatics (ic3i-2018). Presented
3.     R Thomas and MJS Rangachar “GWTM and Genetic Search Algorithm for Face Recognition in Low-Resolution Images”. IEEE International Conference on Advances in Computing, Communication Control and Networking (ICACCCN-2018). pages 963-970
4. Renjith Thomas and Divya Prasanan “Hybrid Technique for Hiding Data Inside Video Using Combined Cryptography and Steganography” International Journal of Innovative Research in Science, Engineering and Technology Vol. 6, Issue 5, May 2017
5. Renjith Thomas and Tamilselvan A. “Improving the efficient relevance feedback for content based image retrieval by user navigation pattern” National conference on advanced embedded and signal processing NCAESP 2012.” Vol 1, March 2012
6. Renjith Thomas and Tamilselvan A. “Improving Retrieval performance by efficient relevance feedback” National Conference on VLSI, Communication and computation NCVCC 2012 February 2012
7. Renjith Thomas and Ansu Rachel Raju. “Modified BAT Algorithm for Efficient Optimization in LTE Systems”International conference on Cyber security, Image processing, Signal processing, Communication, Optimization in VLSI & Embedded systems and Networking ICCISCON – Vol 1. April 2018
  1. Coordinator of international Conference ITECHCET‘21 (SCOPUS Indxed)
  2. Coordinator of international Conference ICCISCON‘18


INNOVATION PATENT: AUSTRALIAN GOVERNMENT (IP AUSTRALIA) 2021 Secure device to device connectivity mechanism for IOT smart city Applications


  1. Reviewer of Springer conference ComNet 2019 Reviewer of Computational Intelligence and Neuroscience by Hindawi 2022
  2. KTU PhD Guidenship
    1. Guideship Details
      1. No of Scholar Requests accepted 1
      2. Normal Guideship 5
      3. Additional Guideship 1
      4. Total GuideShip Limit 6
      5. Vacancy 5


1.Microprocessor and Interfacing 12 week Course

2. Microprocessors and Microcontrolles 12 week course