He has 17 years of teaching experience and 1 year industry experience. He is a Professor and the Head of the Department of Information Technology, Dr.Mahalingam College of Engineering and Technology, Pollachi, India.
Dr.Ramakrishnan is a Reviewer of 24 International Journals such as IEEE Transactions on Image Processing, IET Journals(Formally IEE), ACM Computing Reviews, Elsevier Science, International Journal of Vibration and Control, IET Generation, Transmission & Distribution, etc. He is in the editorial board of 7 International Journals. He is a Guest Editor of special issues in 3 International Journals including Telecommunication Systems Journal of Springer. He has published 154 papers in international, national journals and conference proceedings. Dr.S.Ramakrishnan has published a book on Wireless Sensor Networks for CRC Press,USA and two Books on Speech Processing for InTech Publisher, Croatia and a book on Pattern Recognition for InTech Publisher, Croatia and a book on Face Recognition for InTech Publisher, Croatia and a book Computational Techniques for Lambert Academic Publishing,Germany. He has also reviewed 3 books for McGraw Hill International Edition and 15 books for ACM Computing Reviews. He was the convenor of IT board in Anna University of Technology- Coimbatore Board of Studies(BoS). He is guiding 10 PhD research scholars. His biography has been included in Marquis Whos’s Who in the World 2012 & 2016 edition. His areas of research include digital image processing, soft computing, human-computer interaction, wireless sensor network and cognitive radio.
Areas of Research / Professional Expertise
Cryptography and Information Security
Wireless sensor network and cognitive radio