6_Shikha
  • Professor and Research Head
  • Electronics and communication
  • shikha@pes.edu
  • 9482219115

Qualification

Ph.D - Image Processing, BITS, Pilani (2006)
M.E. - Control Systems, BIT, Mesra, Ranchi (1993)
B.Tech - Electrical & Electronics Engg., S V University, Tirupati (1990)

Professional Membership

  1. Member, IEEE, RAS, WiE, USA
  2. Member, ACM, USA
  3. Senior Member, International Association of Computer Science and Information Technology, USA
  4. Life Member, ISTE, India

Academic Achievements

  1. Ph.D - Completed: 04, Thesis submitted: 02
  2.  Publications  - Journals (16), Conferences (50)
  3. Several talks delivered in conferences, workshops and FDPs
  4.  Chairman, Department of ECE at Amrita University, Bangalore campus (2011-2017)
  5.  Chairman, Board of Studies, UG, PG at Amrita University

Conferences organized:

  1. VLSI SATA 2015,2016 (IEEE), Steering committee head
  2. PESTSE 2014 (IEEE), General Chair
  3. UBICNET 2017 (EAI publications), Conference Program Chair:
  4. Organized 6 National Workshops

Heading the campus research activities

Teaching  & Industry Experience

Teaching -  23 yrs
Industry - 01

Subjects Taught /Laboratory handled

1. Speech Processing
2. Stochastic Signal Processing
3. Digital Signal Processing
4. Signals & Systems
5. Digital Signal Processors & Applications
6. Multirate Signal Processing for Communication Systems
7. Wavelet Transforms & its Applications
8. Advanced Digital Signal Processing
9. Information Theory and Coding Techniques
10. Coding Theory & Practice
11. Digital Electronics & Computer Organization
12. Microprocessors (8085,8086)
13. Electrical Sciences
14. Electronics Engineering
15. Control Systems
16. System Modeling
17. Advanced Control Systems

Area of Interest

  1. Signal/Image Processing
  2. Control Systems

Research Interest

  1. Emotion Recognition and synthesis from face and speech data
  2. Music Signal Processing
  3. Transforms for signal/image processing applications
  4. Speech processing for speech disabled
  5. Control systems for robotic applications

Achievements
Listed in Marquis Who’s Who as Engineering Educator since 2010

Journals

  1. Shikha Tripathi, Arvind Pawan and Aditi Bansal, “Skew Estimation in Document Images Using Wigner-Ville Time-Frequency Functions”, CiiT International Journal of Digital Image Processing, Vol 1. No 2, pp. 47-54, May 2009.
  2.  V.Mathuranathan, M.N. Satyanarayan and Shikha Tripathi, “DSP Implementation Of QPSK And 8-QAM Transmitter For Software Defined Radio”, Icfai University Press Journal of Telecommunications, Vol. 1, No.1, pp. 54-62, August 2009.
  3.  Shikha Tripathi, Nishanth Ramesh, Bernito A, Neeraj K Jairaj, “A DWT based Dual Image Watermarking Technique for Authenticity and Watermark Protection,” Signal and image processing: An International journal(SIPIJ),Vol.1, No.2, pp. 33-45, December 2010
  4. S. Ravishankar,C. Nagadastagiri Reddy, Shikha Tripathi, K.V.V. Murthy, "Image Super Resolution using Sparse Image and Singular Values as Priors", Computer Analysis of Images and Patterns, Lecture Notes in Computer Science, Vol 6855, pp 380-388, 2011.
  5.  Sreeja Kochuvila, Shikha Tripathi and Sudarshan T S B, "Control of a compass gait biped robot based on partial feedback linearization," Advances in autonomous robotics, Springer Link, Volume 7429/2012, pp.117-127, August,2012.[Springer]
  6. Sreeja Kochuvila, Shikha Tripathi and Sudarshan T S B, "Stability of an Underactuated Passive Biped Robot using partial feedback linearization technique", Applied Mechanics and Materials (Trans Tech Publication, Switzerland) Vol;394(Oct 2013)’ [ 456-562 (ISSN: 1662-7482]
  7.  R.Karthikeyan, C.Bhargav, Karthik Koneru, G.Syam and Shikha Tripathi, ”Enhanced Model Reference Adaptive Control using Smith Predictor”Applied Mechanics and Materials (Trans Tech Publication, Switzerland) Vol. 367(2013)’ [ 363-368 (ISSN: 1660-9336]
  8. R.Karthikeyan, K.Manickavasagam, Shikha Tripathi, KVV Murthy, “Neuro-Fuzzy based Control for Parallel Cascade Control”, Chemical Product and Process Modeling, De Grutyer, Berkley Electronic Press, 8(1), 15-25, 2013.
  9.  R.Karthikeyan, Bhargav Chava, Kartik Koneru, Shyam Sunder V.G, Shikha Tripathi & KVV Murthy, “ Enhanced MRAC based parallel cascade control strategy for unstable process with application to a continuous bioreactor,” Recent Advances in Intelligent Systems & Computing, proceedings of second International Symposium on Intelligent Informatics(IST’13). August 23-24, 2013, Mysore, India, pp. 283-291. Springer International Publishing,Switzerland,Vol..235, 2014.
  10.  I Mamatha, Shikha Tripathi,T S B Sudarshan and Nikhil Bhattar,”Systolic Array implementation of DFT with Reduced Multipliers using Triple Matrix Product”,
    Advances in Signal Processing & Intelligent Systems, Springer(SCOPUS),311-322,March 2014,Vol.264(ISSN: 21945357)
  11. Ganapathy Hegde, Harikrishna H, Shikha Tripathi and P R Vaya, ”VLSI implementation of the video encoder using an efficient 3-D DCT algorithm”,International journal of electronics letters, Taylor & Francis, July,2014
  12.  Suja, P. and Tripathi, S.(2015) ‘Analysis of emotion recognition from facial expressions using spatial and transform domain methods’, Int. J. Advanced Intelligence Paradigms, Inderscience, Vol. 7, No. 1, pp.57–73, June 2015.
  13. Mamatha,T S B Sudrashan, Shikha Tripathi and Nikhil Bhattar, "Triple-Matrix Product-Based Systolic Implementation of Discrete Fourier Transform", Circuits, Systems and Signal Processing,Springer,Vol.34,Issue 10,pp. 3221-3229,Oct 2015.
  14.  Suja P. and Shikha Tripathi, "Emotion recognition from Facial Expressions using 4D Videos and Analysis on Feature-Classifier Combination," Int'l Journal of Intelligent Engineering and Systems, vol.10, no.2, pp.30-39, The Intelligent Networks and Systems Society (INASS), Japan, 2017.
  15. M.S. Sinith, K.V.V. Murthy, Shikha Tripathi, “Raga Recognition through Tonic Identification using Flute Acoustics” International Journal of Advanced Intelligence Paradigms, Inderscience (Accepted),2018
  16. Sreeja Kochuvila, Shikha Tripathi and Sudarshan T S B, “Nonlinear dynamic model with varying hip trajectory for stable walking of biped robot,” International Journal of Robotics and Automation, Actapress.(Accepted)(SCOPUS and SCI indexed),2018

Conferences

  1. Shikha Tripathi and R. C. Jain, "A Modified Image Coder using HVS Characteristics", Proceedings of National Conference on Communications (NCC), IIT, Chennai, pp 34 – 38, Jan 2003.
  2. Shikha Tripathi, R. C. Jain and Glen Peres, "Low Bit Rate Image Coding Using Human Visual System Model", Proceedings of International Conference on Advanced Computing and Communications (ADCOM-03), PSG Tech, Coimbatore, pp 142 – 150, Dec 2003.
  3. Shikha Tripathi and R. Vikas, "Real Time Video Compression using a Modified Algorithm For Mobile Applications ", Proceedings of National Symposium on GSM and CDMA Technologies for Mobiles ", Jaipur, April 2004.
  4. Shikha Tripathi, A. V. Desai, N. Husami, A. Satija, "New Quantization Based Watermarking Scheme For Digital Images ", Proceedings of International Conference on Systemics, Cybernetics & Informatics (ICSCI-2005), Hyderabad, pp 814-817, Jan 2005.
  5. Shikha Tripathi, Vikas R and R C Jain, "An Efficient Real Time Low Bit Rate Video Codec," Proceedings of Asian Conference on Computer Vision (ACCV-2006), IIIT Hyderabad, pp 500-508, Jan 2006.
  6. Shikha Tripathi, Gayatri V, R C Jain, " Novel DCT and DWT based Watermarking Techniques for Digital Images", Proceedings of 18th IEEE International Conference on Pattern Recognition (ICPR’06), Hong Kong, Vol 4, ISBN 0-7695-2521-0, August 2006.
  7. Shikha Tripathi, Sahil Mahaldar, Arjun V and R C Jain, " Efficient Transmission of Images Over Wireless Medium Using SPIHT- RS Codec", IEEE International Conference on Signal & Image Processing (ICSIP-2006), MacMillan India Ltd, Vol-1, pp 113-117, Dec 2006.
  8. Shikha Tripathi, Sahil Mahaldar, Arjun V and R C Jain, " Joint Source Channel Coding for Wireless Medium Using SPIHT- RS Codec", Proceedings of IEEE International Symposium On Ad Hoc and Ubiquitous Computing (ISAHUC-2006), IEEE Computer Society, pp 175-178, Dec 2006.
  9.  Shikha Tripathi, Sai Krishnan R, Vijay M, " Quantization Based Blind Watermarking Algorithm Using DWT", Proceedings of IPCV'07-The 2007 International Conference on Image Processing, Computer Vision and Pattern Recognition, Las Vegas, Nevada, USA, (Published by CSREA Press (ISBN 1-60132-052-3)), Editors Hamid R Arabnia and Laurence T Yang, pp 123-129, June 25-28, 2007.
  10. Shikha Tripathi, Sai Krishnan R, Vijay M, "Intelligent Multiple Watermarking Technique to Prevent Copy Attack", Proceedings of National Conference on Virtual & Intelligent Instrumentation (NCVII09), BITS ,Pilani, pp. 76-79, Nov13-14, 2009.
  11.  Shikha Tripathi, Rishi Mathur, Jyoti Arya, “Unified 3GPP and 3GPP2 Turbo Encoder FPGA Implementation Using Run-time Partial Reconfiguration”, Proceeding of Wireless Telecommunications Symposium 2010, USF, Tampa, Florida, USA, IEEE Communications Society, pp. 1-8, April 2010
  12.  Rahul Kumar Yadav, R. Karthikeyan, Shikha Tripathi, Hemanth kumar. G, "Analyzing large Dynamic Set-point change tracking of MRAC by exploiting Fuzzy Logic based Automatic Gain Tuning," 3rd IEEE Control & System Graduate Colloquium(IGSGRC 2012),Shah Alam Malaysia, pp.76-81,16-17 July 2012[IEEE XPlore]
  13. N. Usha Amrutha, K. Navya, Dhanesh G Kurup and Shikha Tripathi, “Time Series Analysis of Solar and Stellar Data using the S-Transform”, Second International Conference on advances in Signal Processing and Communications (SPC2013), Lucknow, India, pp.168-175, June 2013, Proceedings published by Springer in “Mobile Communications II”
  14.  M.S. Sinith, Shikha Tripathi, K.V.V. Murthy, “SSM wavelets for analysis of music signals using Particle Swarm Optimization”, IEEE International Conference Signal Processing and Communication (ICSC), JIIT,Noida, India, 12-14 Dec 2013[IEEE XPlore],pp. 247-251
  15. P.Suja, Shikha Tripathi and D.N.Keerthana “ Emotion Recognition using DWT, KL Transform and Neural Network”, Second International Conference on advances in Signal Processing and Communications (SPC2013), Lucknow, India, pp.360-367, June2013, Proceedings published by Springer in “Mobile Communications II”
  16.  R. Karthikeyan, Sreekanth Pasam, Sandu Sudheer, V.Teja & Shikha Tripathi,” Fuzzy Fractional order PID based parallel cascade control system,” Recent Advances in Intelligent Informatics, proceedings of second International Symposium on Intelligent Informatics(IST’13). August 23-24, 2013, Mysore, India, pp. 293-302 Springer International Publishing,Switzerland,No.23
  17.  Mamatha I, Nikhita Raj j, Shikha Tripathi and Sudarshan T S B,”Reduced Complexity Architecture for Convolution based Discrete Cosine Transform”, 2013: 4th International Symposium on Electronic System Design, pp. 67-71, , Dec 12-13,2013, NTU, Singapore, Proceedings published by IEEE Computer Society.
  18. P.Suja, Shikha Tripathi and J Deepthy,”Emotion Recognition from Facial Expressions using Frequency Domain Techniques”, International Symposium on Signal Processing & Intelligent Recognition Systems, March 13-14,2014, Thiruvananthapuram, pp.299-301. Published in Advances in Signal Processing & Intelligent Systems, Springer.[Best Paper]
  19. I Mamatha, Shikha Tripathi,T S B Sudarshan and Nikhil Bhattar,”Systolic Array implementation of DFT with Reduced Multipliers using Triple Matrix Product”,International Symposium on Signal Processing & Intelligent Recognition Systems, March 13-14,2014, Thiruvananthapuram, pp.311-322, Published in Advances in Signal Processing & Intelligent Systems, Springer.
  20. Suja P., Sherin Marium Thomas, Shikha Tripathi and V K Madan, “Emotion recognition from images under varying illumination conditions,” 6th IEEE Intl. workshop on soft computing applications (SOFA 2014),Timisoara, Romania, 24-26 July, 2014. Proceedings published by Springer in ‘Advances in Intelligent Systems and Computing’ vol 357, pp 913-921.
  21. Deboshree, Ajeesh T P, Narayan D Dutt and Shikha Tripathi, “Processing of EEG Signals for study of coupling in brain regions for eyes open and eyes closed conditions,” 3rd Intl. Conference on Advances in Computing, Communications & Informatics(ICACCI 2014), 24-27 Sept., 2014, New Delhi, pp.327-331[IEEEXplore].
  22. S. Lalitha, Sahruday Patnaik, T.H.Arvind, Vivek Madhusudhan, Shikha Tripathi, “Emotion Recognition through Speech Signal for Human-Computer Interaction,” 5th International Symposium on Electronic System Design , ISED-14, NITK, Surathkal , Mangalore, 15-17 Dec,2014[IEEEXplore],pp.217-218
  23. Mary Thomas, Shikha Tripathi, “Music Perception and Cochlear Implants- A Review of major breakthroughs,” 2014 IEEE International Conference on Computational Intelligence and Computing Research (ICCIC-2014), Coimbatore,India , 18 - 20 Dec, 2014 [IEEEXplore]
  24. Sreeja Balakrishnan, Shikha Tripathi, Sudarshan T S B, “Control of a Biped Robot with Flexible Foot on an Uneven Terrain,” 7th International Conference on Information and Automation for Sustainability ICIAfS 2014, 22 – 24 Dec 2014, conducted by IEEE RAS,Colombo, Sri Lanka.
  25. Mamatha I, Nikhita J Raj,Shikha tripathi,Sudarshan T S B, ”Systolic architecture implementation of 1D DFT and 1D DCT,” 2015 IEEE Intl conference on Signal Processing,Informtics,Communication & Energy Systems(SPICES 2015), NIT Calicut,India,19-21 Feb,2015
  26. Sinith M S, Shikha Tripathi, K V V Murthy, “ Real Time Swara Recognition System in Indian Music using TMS320C6713”, 4th Intl. Conference on Advances in Advances in Computing, Communications & Informatics(ICACCI 2015), 11-13 Aug., 2015, Kochi,Kerala[IEEEXplore].
  27. Suja P, Kalyan Kumar V P, Shikha Tripathi, “Dynamic Facial Emotion Recognition from 4D Video Sequences”, 8th Intl. Conf. on Contemporary Computing, 20-22 Aug,2015, Noida, IEEE Com Soc ,[IEEEXplore],pp. 348-353
  28. Bala Sai SVB, Mamatha I, Shikha Tripathi, Sudarshan TSB, “ Modified MLBF architecture of 1-D DWT”, IEEE International Conference on Computational Intelligence and Computing Research (ICCIC 2015), Dec 10-12, 2015,Madurai,India. ,[IEEEXplore]
  29. Kalyan Kumar V P, Suja P., Shikha Tripathi, “Emotion Recognition from Facial Expressions for 4D Videos using Geometric Approach”, Second International Symposium on Signal Processing and Intelligent Recognition Systems - SIRS 2015, Dec 3-14, 2015,IIITMK- Technopark, Trivandrum, India,[IEEEXplore]
  30. Krishnasree D.,Suja P., Shikha Tripathi, “Emotion Recognition from 3D Images with Non-Frontal View using Geometric Approach”, Second International Symposium on Signal Processing and Intelligent Recognition Systems - SIRS 2015, Dec 16-19, 2015,IIITMK- Technopark, Trivandrum, India,[IEEEXplore]
  31. Akansh B., Susmitha Vekkot, Shikha Tripathi, “Interconversion of emotion in speech using TD-PSOLA”, Second International Symposium on Signal Processing and Intelligent Recognition Systems - SIRS 2015, Dec 16-19, 2015,IIITMK- Technopark, Trivandrum, India, Book chapter in Advances in Inteligent Systems & Computing, Vol.425,pp.367-378, Dec,2015[Springer]
  32. Suja P., Krishnasri D.,Shikha Tripathi, “Pose Invariant Method for Emotion Recognition from 3D Images”, 12th IEEE India International conference, INDICON, Dec 17-20, 2015, New Delhi.
  33. Lalitha S,GVN Teja, K K Chaitanya, Shikha Tripathi, “ Time frequency and phase derived features for emotion classification from speech”, 12th IEEE India International conference, INDICON, Dec 17-20, 2015, New Delhi.[IEEEXplore]
  34. Vidhya Chandran, Mamatha I , Shikha Tripathi, “NEDA based hybrid architecture for DCT-HWT”, 2nd International Conference on VLSI System Architecture & Technology (VLSI-SATA 2016), Jan 10-12, 2016, ASE, Bangalore. [IEEEXplore]
  35. Mamatha I, Shikha Tripathi, Sudarshan TSB, “Pipelined Architecture for Filter Bank based 1-D DWT”,3rd International Conf. of Signal Processing and Integrated Networks(SPIN2016), Feb 11-12, 2016.Noida, Delhi. [IEEEXplore]
  36. Suchitra, Suja P.,Shikha Tripathi, “Real-Time Emotion Recognition from Facial Images using Raspberry Pi II”, 3rd International Conf. of Signal Processing and Integrated Networks(SPIN2016), Feb 11-12, 2016.Noida, Delhi. [IEEEXplore]
  37. Susmitha Vekkot & ShikhaTripathi, “Significance of Glottal Closure Instants detection algorithms in Vocal Emotion Conversion” 7th International Workshop on Soft Computing Applications (SOFA2016), 24-26 Aug, 2016, Arad, Romania, Proceedings published by Springer (Scopus-Indexed)
  38. Susmitha Vekkot & ShikhaTripathi, “Inter-Emotion conversion using Dynamic Time Warping and Prosody Imposition”, 2nd International Symposium on Intelligent Systems, Technologies & Applications (ISTA2016), 21-24 Sept, 2016, Proceedings published by Springer (Scopus-Indexed)
  39. Prathyusha Sane, Suja P. and Shikha Tripathi, “Emotion Recognition from facial expressions of 4D videos using curves and surface normals”, 8th International Conference on Intelligent Human Computer Interaction (IHCI2016), 12-13 Dec,2016, BITS,Pilani, published by Springer (Scopus-Indexed)
  40. Lalitha S. and Shikha Tripathi, “Emotion Detection using Perceptual based Speech Features”, 13th IEEE India International conference, INDICON, Dec 16-18, 2016, IISc. Bangalore. .[IEEEXplore]
  41. Mamatha I, Shikha Tripathi, Sudarshan TSB, "Convolution based Efficient Architecture for 1D DWT', 4th International Conference on Computing Communication and Automation (ICCCA 2017), Greater Noida, May 5-6, 2017.[IEEEXplore]
  42. Greeshma Ranjit Koothuparambil and Shikha Tripathi, “Adaptive Frequency Estimation for Pulsation Removal in Airpath Pressure Signal Conditioning”, International Conference on Signal Processing, Informatics, Communication and Energy Systems (SPICES 2017), Aug 8-10, 2017, Kollam, Kerala. [IEEEXplore]
  43. Palli Padmini, Kaustav Bhowmick and Shikha Tripathi, “Identification of Correlation between Blood Relations using Speech Signal”, International Conference on Signal Processing, Informatics, Communication and Energy Systems (SPICES 2017), Aug 8-10, 2017, Kollam, Kerala. [IEEEXplore]
  44. Susmitha Vekkot and Shikha Tripathi, “Vocal Expression Synthesis using Linear Prediction”, Intl. Conference on Signal and Image Processing (ICSIP 2017), Aug 18-19, 2017, Mysore, India[IEEEXplore]
  45. Amala Avarachan, Susmitha Vekkot and Shikha Tripathi, “Glottal Excitation and Spectral Mapping for Voice Conversion Intl. Conference on Signal and Image Processing (ICSIP 2017), Aug 18-19, 2017, Mysore, India[IEEEXplore]
  46. Susmitha Vekkot, Shikha Tripathi, “Vocal Emotion Conversion using WSOLA and Linear prediction”, 19th Intl. Conference on Speech and Computer (SPECOM 2017), Sept. 12-16, 2017, Hatfield, Hertfordshire, England, UK [Springer],pp.777-787.
  47. Palli Padmini, Shikha Tripathi, Kaustav Bhowmick, “Sensor Based Speech Production System without the use of glottis”, First International Symposium on Assistive Technologies for the Differently Abled (ATDA 2017), Co-affiliated with 6th Intl. Conference on advances in Computing, Communications and Informatics (ICACCI 2017), Sept. 13-16, 2017, MIT, Manipal University, India [IEEEXplore]
  48. N Saideep, Dhanesh. G. Kurup, Shikha Tripathi, “Detection of Closely Spaced Sinusoids in Noise using FastICA Algorithm”, Symposium on Recent Advances in Communication Theory, Information Theory, Antennas and Propagation (CIAP'17), Co-affiliated with 6th Intl. Conference on advances in Computing, Communications and Informatics (ICACCI 2017), Sept. 13-16, 2017, MIT, Manipal University, India [IEEEXplore]
  49. Rakshith K Gowda, Vandana Nimbalker, R Lavanya, S Lalitha, Shikha Tripathi, “Affective Computing using Speech Processing for Call Centre Applications”, 6th Intl. Conference on advances in Computing, Communications and Informatics (ICACCI 2017), Sept. 13-16, 2017 MIT, Manipal University, India [IEEEXplore]
  50. Anisha Yathigiri, Meenalatha Bathula, Susmitha Kothapalli, Susmitha Vekkot, Shikha Tripathi, “Voice Transformation using Pitch and Spectral Mapping”, 5th Intl. Symposium on Women in Computing and Informatics (WCI’17), Co-affiliated with 6th Intl. Conference on advances in Computing, Communications and Informatics (ICACCI 2017), Sept. 13-16, 2017, MIT, Manipal University, India [IEEEXplore]