Room ECED-1 : 205
Email sathi@nitc.ac.in
Office Phone 0495 2286704
Home Address Ashtapadi, 12th Mile, NIT Campus P.O, Calicut- 673 601 Ph: 0495-2287543
Areas Of Interest Speech and Audio Processing, Biomedical Signal Processing, Wavelets, Cryptography

B.Tech (R.E.C, Calicut)

M.Tech (CUSAT, Kochi)

Ph.D (REC Calicut), Calicut University

  1. Application of Wavelet Analysis in speech/audio coding, segmentation and classification (Rs. 4 lakhs - sponsored by MHRD)- Principal Investigator     |   Status - completed in 2002

  2. Wavelet Based Speech Enhancement for the hearing impaired( Rs. 8 lakhs - sponsored by MHRD)- Principal Investigator   |    Status - Completed in 2007
  3. Design and implementation of a secure Communication System for Reduced Complexity, DIT, Govt. of India: Rs. 38.9 Lakhs- From May 2013 - Co-investigator - Status: Completed in 2016

        

    1. E.P. JAYAKUMAR    

    2. LEKSHMI M.S   

    3. NISHA K L

    4. Arun Sankar M.S.

    5. Atulya Nair

    6. Nithin G

1. K.P. INDIRADEVI : AUTOMATIC DETECTION AND LOCALIZATION OF EPILEPTIC SPIKES IN EEG (2009)

2. G. SREELEKHA : DESIGN AND DEVELOPMENT OF PERCEPTUAL IMAGE CODERS(2009)

3. P.P. DEEPTHI : DESIGN AND ANALYSIS OF HARDWARE EFFICIENT STREAM CIPHERS(2009)

4. SANTLE CAMILUS : COMPUTER AIDED IDENTIFICATION OF THE PECTORAL MUSCLE IN MAMMOGRAMS(2010)

5. R. RAJAVEL : OPTIMIZATION OF DECISION FUSION FOR AUDIO-VISUAL SPEECH RECOGNITION(2011)

6. S.M. PRASAD: ADVANCED FEATURE EXTRACTION AND AUTOMATIC IMAGE QUALITY ASSESSMENT FOR         PALMPRINT AUTHENTICATION(2012)

7. ANZAR S.M.: OPTIMAL SCORE LEVEL FUSION OF FINGERPRINT AND VOICE BIOMETRICS (2014)

8. SREELATHA G.:A FULLY AUTOMATED SYSTEM FOR DNA DAMAGE DETECTION AND QUANTIFICATION USING COMET ASSAY IMAGES (2017)

JOURNALS:

41. G.Sreelatha, M.Aparna, P.S.Sathidevi, P.Chand and R.P.Rajkumar, " CometQ: An automated tool for the detection and Quantification of DNA damage using Comet Assay Image Analysis", Elsevier, Computer Methods and Programs in Biomedicine, Vol. 133,2016, pp.143 -154

40. G. Sreelatha, Manojkumar Sudarsan, P.S.Sathidevi, " Level Set Approach combined with Support Vector machine for Comet Detection from Comet Assay Images", Journal of Medical Imaging and Health Informatics Vol.6, American Scientific Publishers, August 2016, pp.984-991

39.Jayakumar E.P, Shifas P V Muhammed and Sathidevi P.S., " Integrated Acoustic Echo and noise Suppression in Modulation Domain", Int. Journal of Speech Technology, Springer (DOI: 10.1007/s10772-016-9353-50.Vol.19, September 2016, pp.611-621.

38. G. Sreelatha, A. Muraleedharan , P.S. Sathidevi  , P. Chand  , R.P. Rajkumar, “Quantification of DNA damage by the analysis of silver stained comet assay images”, IRBM (October 2015)  (Elsevier), doi: 10.1016/j.irbm.2015.09.006, vol.36,pp. 306-314

37. Sharafudeen Thaha Mohammed Anzar* and Puthumangalathu Savithri Sathidevi, “On combining multi-normalization and ancillary measures for the optimal score level fusion of fingerprint and voice biometrics”, EURASIP Journal on Advances in Signal Processing 2014, 2014:10 doi:10.1186/1687-6180-2014 http://asp.eurasipjournals.com/content/2014/1/10

36. S.M. Anzar, P.S. Sathidevi, “Optimal score level fusion combining multi-normalisation and separability measures”, International Journal of Applied Pattern Recognition, Indersciencs Publishers, pp.127-151, Vol.1, No. 2, 2014.

35. Anzar S.M. and Sathidevi P.S.,“Optimal score level fusion combining  multi-normalization and separability  measures,”Int. J. Applied Pattern Recognition (IJAPR)@ Inderscience , pp.127 – 151,Vol.1, No.2, 2014

34.. K S Lalmohan, Deepthi P P, and  Sathidevi P S, “Design and Implementation of Secure Stream Cipher based on Elliptic Curves on Time Shared Basis”, Int. Journal of Computer Applications, vol. 68, no. 21, pp. 14-21,
Apr. 2013

33. Anzar S.M. and Sathidevi P.S.,“Adaptive score level fusion of fingerprints and voice combining wavelets and separability measures" International Journal of Electronics and Communications(AEU)(2013)@ Elsevier Journal    http://dx.doi.org/10.1016/j.aeue.2013.03.004

32.Anzar S.M. and Sathidevi P.S.,“ Fusion of BiometricModalities Using Multi-Normalizationand Genetic Algorithm,”International Review on Computers and Software (I.RE.CO.S.), vol.7.No.6, ISSN 1828 -6003, November 2012.

31. S. M. Anzar and P. S. Sathidevi, “AN EFFICIENT PSO OPTIMIZED INTEGRATION WEIGHT ESTIMATION USING D-PRIME STATISTICS FOR A MULTIBIOMETRIC SYSTEM”, International Journal on Bioinformatics & Biosciences (IJBB) Vol.2, No.3, September 2012, DOI : 10.5121/ijbb.2012.2304 31

30. Anzar S.M. and Sathidevi P.S.. "Optimal Score Level Fusion using Modalities Reliability and Separability Measures". International Journal of Computer Applications 51(16):1-8, August 2012. Published by Foundation of Computer Science, New York, USA.

29. R. Rajavel and P. S. Sathidevi: "Adaptive reliability measure and optimum integration weight for decision fusion audio-visual speech recognition", Journal of Signal Processing Systems (Springer) -  (2012) 68:83–93
DOI 10.1007/s11265-011-0578-x

28. S.M.Prasad, V.K. Govindan, P.S. Sathidevi, 'Image Quality Augmented Intramodal Palmprint Authentication'  IET Image Processing, Volume 6, Issue 6, August 2012, p. 668 – 676, DOI:  10.1049/iet-ipr.2011.0085 

27. K. Santle Camilus, V. K. Govindan and P. S. Sathidevi, " PectoralMUSCLE identification in mammograms", Journal of Applied Clinical Medical Physics (JACMP) -VOLUME 12, NUMBER 3, Summer 2011

26. R. Rajavel and P. S. Sathidevi: "A new GA optimized reliability ratio based integration weight estimation scheme for decision fusion audio-visual speech recognition", Journal of Signal and Imaging Systems Engineering (Inderscience) - Volume 4, Number 2/2011, pp.123-131: DOI:10.1504/IJSISE.2011.041605

25. R. Rajavel and P. S. Sathidevi: "The Effect of Reliability Measure on Integration Weight Estimation in Audio-Visual Speech Recognition", InternationalJournal of Engineering Science and Technology, Vol. 2, No. 8, 2010, pp. 3641-3650

24. R. Rajavel and P. S. Sathidevi: "A Novel Algorithm for Acoustic and Visual Classifiers Decision Fusion in Audio-Visual Speech Recognition System",Signal Processing an International Journal ( Computer Science Journals), Vol. 4, No. 1, 2010, pp. 23-37.

23.S. M. Prasad, V. K. Govindan, P. S. Sathidevi, "An Efficient Wavelet Based Palmprint Verification Approach," International Journal of Wavelets, Multiresolution and Information Processing, Vol. 8, No. 6, pp. 961-985, 2010.

22.S. M. Prasad, V. K. Govindan, P. S. Sathidevi, "Palmprint Authentication using Wavelets and Contourlets", Accepted for publication in Journal of Security and Communication Networks [Wiley-Interscience publishers]

21. G. Sreelekha & P. S. Sathidevi, “An HVS based adaptive quantization scheme for the compression of color images”, Digital Signal Processing, Elsevier Publications, Volume 20, Issue 4, pp.1129-1149, July 2010.

20.K. Santle Camilus, V. K. Govindan and P. S. Sathidevi, "Computer-Aided Identification of the Pectoral MUSCLE in Digitized Mammograms", Journal of digital imaging (Springer Verlag) vol. 23, no. 5, pp. 562-580, 2010

19.Sreelekha G., P. S. Sathidevi, "A Perceptual Color Image Coder Combining DCT and Wavelets", International Journal of Information and Communication Technology, Inderscience Publishers - In Press

18.Sreelekha G., P. S. Sathidevi, "A Wavelet Based Perceptual Image Coder Incorporating a New Model for The Compression Of Color Images", International Journal on Wavelets Multiresolution and Information Processing, Vol. 7, No. 5 (2009) 675-692 World Scientific Publishers

17.Deepthi P.P., Sathidevi P.S, "Design, Implementation and Analysis of Hardware Efficient Stream Ciphers Using LFSR Based Hash Functions" Computers and Security 28 (2009), Elsevier Publishers, pages 229- 241.

16.K. Santle Camilus, V. K. Govindan and P. S. Sathidevi, "A mean based graph theoretic approach for image segmentation", International Journal of Signal and Imaging Systems Engineering, vol. 2, no.1-2, pp. 32-40, 2009.

15.K. P. Indiradevi, Elizabeth Elias, P.S. Sathidevi, " Complexity Analysis of Electroencephalogram records of epileptic patients using Hurst Exponent", International Journal of Medical Engineering and Informatics, Vol.1, No.3., 2009, pp.368-380.

14.Deepthi P.P., Sathidevi P.S, "New Stream Ciphers Based on Elliptic Curve Point Multiplication", Computer Communications 32 (2009), Elsevier Publishers, pages 25- 33

13.Deepthi P.P., Lakshmi V.S., Sathidevi P.S., "A New Hardware Efficient Stream Cipher Based on Hash Functions", International Journal of Communication Networks and Distributed Systems, Vol 3., No.4, 2009 Inderscience Publishers, pages 340 -361

12. Deepthi.P.P, Nithin.V.S and P.S. Sathidevi., "Implementation and Analysis of Stream Ciphers based on the Elliptic Curves", Computers and Electrical Engg 35 (2009), Elsevier Publishers, pages 300-314

11. Deepthi.P.P, Deepa Sarah John, P.S.Sathidevi, "Design and Analysis of a Highly Secure Stream Cipher Based on Linear Feedback Shift register", Computers and Electrical Engg 35 (2009), Elsevier Publishers, pages 235-243.

10. G. Sreelekha, T.Rajesh, P.S. Sathidevi, "A New Perceptual Video Coder Incorporating Human Visual System Model", ICGST International Journal of Graphics, Vision and Image Processing (GVIP), Volume 8, Issue III, October 2008, pages 7-15.

9. Deepthi P.P., Sathidevi P.S, "Hardware Stream Cipher Based on LFSR and Modular Division Circuit", Int. Journal of Electronics, Circuits and Systems, 2;4,Fall 2008, pp.224-232.

8. Indiradevi.K.P, Elizabeth Elias, P.S. Sathidevi, "Automatic localization of epileptic foci in long-term continuous EEG", International Journal of Medical Engineering and Informatics (IJMEI)- Vol.1,134-154, 2008 (Inder Science Publishers)

7. Indiradevi.K.P, Elizabeth Elias, P.S. Sathidevi, "A multi-level wavelet approach for automatic detection of epileptic spikes in the EEG", Computers in Biol. & Med. (Elsevier) Vol.38 ,805-816, (2008)

6. Santle Camilus, V.K.Govindan and P.S.Sathidevi, "An Enhanced Watershed Transformation Approach for MRI Gray Matter Segmentation Using Iterative Parallel Region Merging", International Journal of Tomography and Statistics Summer 2008, Vol. 9, No. S08; Int. J. Tomogr. Stat.; pp.73-87

5. Dhanaraj. K.J, Deepthi.P.P and P.S. Sathidevi, "FPGA Implementation of a Pseudo Random Bit Sequence Generator Based on Elliptic Curves", ICGST- PDCS Journal, Volume 7, Issue 1, pp. 23-31, May 2007

4. P.S.Sathidevi and Y.Venkataramani, "Low Complexity Scalable Perceptual Audio Coder Using An Optimum Wavelet Packet Basis Representation and Vector Quantization", IETE Journal of Research, Volume 50, No.6, November - December 2004.

3. P.S.Sathidevi and Y.Venkataramani, "Enhancement and Modification of Speech and Audio for the Hearing Impaired", Journal of Acoustical Society of India, Vol.30, October, 2002.

2. P.S.Sathidevi and Y.Venkataramani, "Perceptual Audio Coding using sinusoidal/optimum wavelet representation", Int. Journal on Circuits, Systems and Signal Processing , Vol.21, No.5, 2002, pp.508 - 521.

1. P.S.Sathidevi and Y.Venkataramani, "High Quality Audio Coding using Signal Adaptive Wavelet Filters", Journal of Acoustical Society of India, Vol.29, pp. 437 - 445, October 2001.

 

CONFERENCES : 

49.M.S.Arun Sankar, P.S.Sathidevi, “Scalable low bit rate CELP coder based on compressive sensing and vector quantization”, IEEE INDICON 2016, IEEE Xplore Digital Library, DOI: 10.1109/INDICON.2016.7838928, December 2016, Bangalore

 

48. Anisha Muhammed, Nisha Kamaraj and Sathidevi P.S. “A novel medical image fusion scheme employing sparse representation and dual PCNN in the NSCT domain”, IEEE TENCON 2016, IEEE Xplore Digital Library DOI: 10.1109/TENCON.2016.7848406, Novemeber 2016, Singapore.

 

47. Shifas P.V. Muhammed, Jayakumar E.P. and Sathidevi P.S., " Robust Acoustic Echo Suppression in Modulation Domain", 4th Int. Conference on Advanced Computing, Networking and Informatics (ICACNI -2016), Springer, NIT Rourkela September 2016, Article ID 277 

 

46. Jayakumar E.P and Sathidevi P.S., “ Speech Enhancement based on Noise Type and Wavelet Thresholding the Multitaper Spectrum”, International Conference on Machine Learning and Signal Processing (MALSIP 2015), December 2015, Malaysia and published in Lecture Series in Electrical Engineering Vol 387 Chapter 17, Springer Int. Publishing, 2016, ISBN 978 - 3-319-32212-4.

 

45.M.S.Lekshmi, P.S. Sathidevi, “Unsupervised Speech Segregation Using Pitch Information and Time Frequency Masking”, International Conference on Information and Communication Technologies (ICICT 2014), Elsevier  Procedia Computer Science 46 ( 2015 ) 122-126 (Available online at www.sciencedirect.com)

 

44.Sreelatha G., Aparna Muraleedharan, Parkash Chand, Ravi Philip Rajkumar, P. S. Sathidevi “An Improved Automatic Detection of True Comets for DNA Damage Analysis”,  International Conference on Information and Communication Technologies (ICICT 2014), Elsevier  Procedia Computer Science 46 ( 2015 ) 135 – 142   (Available online at www.sciencedirect.com)

43. Jilna P., Deepthi P.P., Sameer Saheerudeen Mohammed, Sathidevi P.S.  and Vijitha A. P. “FPGA Implementation of an Elliptic Curve Based Integrated System for Encryption and Authentication”, IEEE International Conference on Signal Processing, Informatics, Communication and Energy Systems (IEEE SPICES 2015), Feb 19-21, Kerala, India 

42.Sreelatha G, P.S. Sathidevi, “Automatic Detection of Comets in Silver Stained Comet Assay Images for DNA Damage Analysis” IEEE International Conference on Signal Processing, Communication and Computing (ICSPCC-2014), Guilin, China, August 2014.

41.Anzar S.M, P.S. Sathidevi, Fusion of Fingerprints and Voice using Multi-Normalization and Separability Measures, Proceedings of  International Conference on Power Electronics, Systems and Applications (ICPESA'2012), Kualampur (Malaysia), August 25-26, 2012,  pp.205-209

40. Anzar S.M, P.S. Sathidevi, Multi-Normalization: A New Method for Improving Biometric Fusion, International Workshop on Pattern Recognition and Image Processing (PRIP 2012 - ACM conference)(Accepted)

39. Anzar S.M, P.S. Sathidevi, Optimization of Integration Weights for a Multibiometric System with Score Level Fusion, International Conference on Digital Image Processing and Pattern Recognition (DPPR 2012-Springer), July 13-15, 2012 Chennai Advances in Computing & Inform. Technology, AISC 177, pp. 833- 842, Springer - Verlag Berlin Heidelberg 2012.

38. Anju John, P.S. Sathidevi, 3D Depth Estimation from a Single Outdoor Image”, International Conference on Electrical Engineering and Computer Science, Interscience Research Network, Trivandrum, India, May 12, 2012.

37. Arun Manikumar, P.S. Sathidevi Image match using Wavelet colour-SIFT features International Conference on Industrial and Information systems, (ICIIS 2012), August 6-9, 2012, IIT Madras, Chennai (Accepted).

36. Arun Manikumar, P.S. Sathidevi, Wavelet SIFT feature descriptors for Robust Face recognition, International Conference on Digital Image Processing and Pattern Recognition (DPPR 2012-Springer), July 13-15, 2012 Chennai - Advances in Computing & Inform. Technology, AISC 177, pp. 851-859, Springer - Verlag Berlin Heidelberg 2012.

35. Sathidevi Puthumangalathu Savithri , Sunny Dayal Vanambathina, “TIME AND PITCH SCALE MODIFICATION OF SPEECH USING WAVELET PACKET TRANSFORM AND SINUSOIDAL MODELING”, Proceedings of the IASTED International Conference June 22 - 24, 2011 Crete, Greece, Signal and Image Processing and Applications (SIPA 2011), pp. 112-117

34. Sivaram Prasad Mudunuri , Sathidevi Puthumangalathu Savithri , “A NOVEL ADAPTIVE AUDIO WATERMARKING USING A RANDOM WAVELETPACKET TREE AND SINGULAR VALUE DECOMPOSITION”, Proceedings of the IASTED International Conference June 22 - 24, 2011 Crete, Greece Signal and Image Processing and Applications (SIPA 2011), pp. 118-122

33. K. Santle Camilus,V. K. Govindan, P. S. Sathidevi, "Computer-Aided identification of the pectoralMUSCLE in mammograms", Medical Physics, PhD Abstract.

Available: http://www.medphys.org/PhDAbstracts/camilusphd.pdf

32.K. Santle Camilus, V. K. Govindan, P. S. Sathidevi, "Medical Image Segmentation", NITC Research Review, vol. 2, Issue 1, pp. 50-54, September 2008.

31. S. M. Prasad, V. K. Govindan and P. S. Sathidevi, "Palmprint Authentication Using Fusion of Wavelet Based Representations," IEEE World Congress on Nature and Biological Inspired Computing (NaBIC ‘09),
December 9-11, Coimbatore, India

30. S. M. Prasad, V. K. Govindan and P. S. Sathidevi, "Authentication of Palmprint Using Fusion of Wavelet Based Multiscale Features," IEEE International Conference on Signal and Image Processing Applications (ICSIPA’09), November 18-19, 2009, Kuala Lumpur, Malaysia.

29. S. M. Prasad, V. K. Govindan and P. S. Sathidevi, "Bimodal Personal Recognition using Hand Images," In proceedings of ACM International Conference on Computing, Communication and Control( ICAC3), Pages 403-409, 2009.(January 23-24, Mumbai, India)

28. S. M. Prasad, V. K. Govindan and P. S. Sathidevi, "Feature Set Minimization for Wavelet Based Palmprint Recognition System", In proceedings of the International Conference on Sensors, Security, Software and Intelligent Systems (ISSSIS), 2009.(January 9-11, 2009, Coimbatore, India).

27.K. Santle Camilus, V. K. Govindan and P. S. Sathidevi, "A Robust Graph Theoretic Approach for Image Segmentation", Fourth IEEE International conference on Signal Image Technology and Internet Based systems (SITIS 2008), 30 November - 3 December 2008 in Bali, Indonesia, pp.382-386

26.Ancy S. Ancelam, Deepthi P.P.,P.S.Sathidevi, "Cryptanalysis and Security Comparison of Two Clock Controlled Generators", International Conference on Computer Networks and Security ICCNS 08, pp. 264 ? 269, 27-28 September 2008, at Pune, India

25.Lakshmi V.S.,DeepthiP.P., Sathidevi P.S.,"Hardware Efficient Stream Cipher Based on Hash Function", International Conference on Computer Networks and Security ICCNS 08, pp. 274 ?279, 27-28 September 2008, at Pune, India

24. V. G. Ashamol, G. Sreelekha, P. S. Sathidevi, "Diffusion Based Image Denoising combining Curvelet and Wavelet" Accepted for presentation and Publication in 15th International Conference on Systems, Signals and image Processing, Bratisalva, Slovakia June 25-28, 2008.

23. M. Ganesan, P.S. Sathidevi, K.P. Indiradevi, "A novel approach for the analysis of epileptic spikes in EEG", Int. conference on Computational Intelligence and Multimedia Applications (ICCIMA '07), December 13-15, 2007, Tamilnadu.

22. R. Gandhiraj, P.S. Sathidevi, "Auditory Based Wavelet Packet filterbank for Speech Recognition using Neural Network", 15th International Conference on Advanced Computing and Communication, ADCOM 2007, 18-21 December 2007, IIT Guwahati

21. Nithin. V.S, Deepthi.P.P, Dhanaraj. K.J, P.S. Sathidevi, "Stream Ciphers Based On the Elliptic Curves", Int. conference on Computational Intelligence and Multimedia Applications (ICCIMA '07), December 13-15, 2007, Tamilnadu.- Accepted for presentation and publication

20. Sreelekha. G , P.S. Sathidevi, "A New Wavelet Based Compression Scheme Replicating Human Visual System Processing", Int. conference on Computational Intelligence and Multimedia Applications (ICCIMA '07), December 13-15, 2007, Tamilnadu

19. K.P. Indiradevi, Elizabeth Elias, P.S. Sathidevi, "Automatic detection of Epileptic Spikes in the Long Term Electroencephalogram using Wavelet Transform", Int. conference on Computational Intelligence and Multimedia Applications (ICCIMA '07), December 13-15, 2007, Tamilnadu.

18. Deepa Sarah John, Deepthi.P.P and P.S. Sathidevi, "Linear Feedback Shift Register based Stream Ciphers", IASTED International Conference on Communications, Networks and Information Security, CNIS 2007, Berkeley, USA during September 24-26, 2007, pp.

17. P.S. Sathidevi, Shiju Aravindakshan and R. Rajavel, "Separation Of Dominant Speech From Simultaneous Talkers" , Proc. Of 9th IASTED International Conference on Signal and Image Processing, SIP-2007, at Honolulu, Hawaii, USA during August 20-22, 2007, pp.152-157.

16. Sreelekha.G and P.S. Sathidevi, "An Improved JPEG Compression Scheme Using Human Visual System Model", Proceedings of 14th International Conference on Systems, Signals and Image Processing, IWSSIP 2007 and 6th EURASIP Conference Focused on Speech and Image Processing, Multimedia Communications and Services EC-SIPMCS 2007 June 27 - 30, Maribor, Slovenia, pp. 103-106

15. Abida.K, Deepthi P.P. and P.S. Sathidevi, "New Methods for Gray Level and Color Visual Cryptography", International conference on Advanced Computing and Communication ICACC 2007 (Sethu Institute of Technology, Tamilnadu), Chennai, pp.716-719, 9-10 February, 2007.

14. Deepthi.P.P, Vidya. S.B and P.S. Sathidevi, "Generation of innocent shares for visual cryptography", Proceedings of IEEE International Conference on Signal & Image Processing (B.V. Bhoomaraddi College of Engineering & Technology, Hubli), Vol.II, pp. 659-661, 7-9 December, 2006.

13. Deepthi.P.P, Celine Mary Stuart, Sreelekha.G and P.S. Sathidevi, "Compression Tolerant DCT Based Perceptual Image Hash Incorporating Human Visual System Model", Proceedings of IEEE International Conference on Signal & Image Processing (B.V. Bhoomaraddi College of Engineering & Technology, Hubli), Vol.II, pp. 662-665, 7-9 December, 2006.

12. Agnes Jacob, P.S.Sathidevi, K.K.George, "Phoneme Based Concatenative Text -to - Speech Synthesis", International Conference on Advanced computing & Communications, ADCOM 2005, Amrita Vishwa Vidyapeetham, Coimbatore, December 14-17, 2005, pp. 242 - 247
11. Rama Krishna Jetty, P.S.Sathidevi and Deepthi P.P, "Partial Encryption of Subband Coded Speech Using Psychoacoustic Analysis" Proceedings of the First International Conference on Emerging Applications of IT EAIT 2006, Science City, Kolkata, India, 10-11 February 2006, pp.31-34

10. R.Gandhiraj and P.S.Sathidevi, "Auditory Feature Extraction for Speech Recognition", Proceedings of the first National Conference on SIGNALS, SYSTEMS AND COMMUNICATION (NCSSC-2005), 1-2 June 2005

9. P.S. Sathidevi, Manish Sharma and A.Chaitanya, "Answer Paper Scanner for Objective Type Examinations", Proceedings of International conference on Robotics, Vision and Parallel Processing for Automation (ROVPIA 99), University Sains, Malaysia, 1999, pp .172-176.

8. P.S.Sathidevi and Y.Venkataramani, "High Quality Low Complexity Audio Coding using Optimal Wavelet Packet Basis", Proceedings of National Conference on Signals, Systems and Security, NCSSS-2002, P.S.G. College of Technology, March 2002.

7. P.S.Sathidevi, Y.Venkataramani, "Perceptual coding of Speech and Audio Signals for Multimedia Applications using Optimal Wavelets" Proceedings of National Conference on Communications, NCC 2001, Indian Institute of Technology, Kanpur, pp.224-228, January 2001.

6. Y.Venkataramani and P.S.Sathidevi,"A Two Stage Optimal Wavelet Based Scalable Audio Coding Scheme" , Proceedings of 10th year symposium of Faculty of Engg., European University of Lefke, Turkey, pp.147-153, 2000.
5. P.S.Sathidevi and Y.Venkataramani,"Applying Wavelet Analysis in Coding of Speech and Audio Signals for Multimedia Applications", Published in the web site www.black.csl.uiuc.edu/~meyn, International Conference on Stochastic Optimization and Adaptation, ICSOA 2000, CUSAT, Cochin, December 2000.
4. P.S.Sathidevi, Y.Venkataramani, "An Analysis - Synthesis method for transparent Speech and Audio compression using Wavelet transforms and Wavelet Packets", Proceedings of International Conference on Knowledge Based Computer systems -KBCS 2000", Mumbai, pp. 576-587, December 2000.

3. P.S.Sathidevi , Y.Venkataramani, "Speech and Audio Coding using Wavelet Transforms", Proceedings of the National Seminar on Applied Systems Engineering and Soft Computing", (SASESC 2000 ), Dayalbagh Educational Institute, Agra, 2000, pp.242-246.

2. P.S.Sathidevi & Y.Venkataramani, "Speech Compression and Encryption" , Proceedings of International conference on Robotics, Vision and Parallel Processing for Automation (ROVPIA 99), University Sains, Malaysia, 1999, pp .106 - 111.

1. P.S.Sathidevi , Y.Venkataramani, "Secure Speech Codec", Proceedings of the Fifth National Conference on Communications (NCC-99), Indian Institute of Technology, Kharaghpur, 1999, pp.801-807.

 

 

 

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