Aparna P.


Assistant Professor

Date of Joining at NITK: 

Wednesday, February 27, 2008

Professional Experience: 

Joined E&C Dept, NITK, Surathkal in 2008 Feb as Assistant Professor.

Contact Details


p.aparnadinesh [at] gmail.com


+91-824-2473509, 9880124660(Mob)
Academic Background

Ph.D : NITK, Surathkal in March 2012
M.Tech :, NITK, Surathkal in July 2004
B.E : Mangalore University, N.M.A.M. Institute of Technology, Nitte, in July 1999.

Areas of Interest

• Multimedia Signal Processing
• Microprocessors and Embedded systems.
• Image compression.
• Audio & speech Processing.
• Computer Architecture
• Biomedical Signal Processing

Significant Projects

1. Under  Special Manpower Development Program for Chips to System design (SMDP3) (MCIT, Govt Of India).

    Title of the project: Development and implementation of Photoplethysmography (PPG) and Electro Cardiogram (ECG) acquisition and processing system on a chip.

2. Sponsored research project submitted to Electronics & Radar Development Establishment (LRDE), DRDO,  Bangalore. (9.63Lacs)

    Title: Study of Sigma Delta Space Time Adaptive Processing Techniques for GMTI using AESA Radar

Supervision of Ph.D

Completed-3, Submitted-3, Ongoing-1

Significant Publications

List of Papers Published in Journals:

  1. Sushma B., Aparna P., Deep chroma prediction of Wyner–Ziv frames in distributed video coding of wirelesss capsule endoscopy video, Journal of Visual Communication and Image Representation, Volume 87, 2022, 103578, ISSN 1047-3203, https://doi.org/10.1016/j.jvcir.2022.103578. 9 (SCIE).

  2. Poola, L., Aparna, P. An efficient parallel-pipelined intra prediction architecture to support DCT/DST engine of HEVC encoder. J Real-Time Image Proc (2022). https://doi.org/10.1007/s11554-022-01206-2 (SCIE)

  3. Poluboina, Venkateswarlu, Aparna Pulikala, and Arivudai Nambi Pitchai Muthu. "Contribution of frequency compressed temporal fine structure cues to the speech recognition in noise: An implication in cochlear implant signal processing." Applied Acoustics 189 (2022): 108616 (SCIE)

  4. B. Sushma and P. Aparna, "Summarization of Wireless Capsule Endoscopy Video Using Deep Feature Matching and Motion Analysis," in IEEE Access, vol. 9, pp. 13691-13703, 2021, doi: 10.1109/ACCESS.2020.3044759.

  5. B. K. Chandrika, P. Aparna & S. Sumam David (2020) An Approach for Diagnostically Lossless Coding of Volumetric Medical Data Based on Wavelet and Just-Noticeable-Distortion Model, IETE Journal of Research, DOI: 10.1080/03772063.2020.1844070 (SCIE).

  6. Lakshmi Poola & P. Aparna (2020) A Mixed Parallel and Pipelined Efficient Architecture for Intra Prediction Scheme in HEVC, IETE Technical Review, 11 Nov 2020. (SCIE) DOI: 10.1080/02564602.2020.1841686

  7. B. Sushma, P. Aparna, “Distributed video coding based on classification of frequency bands with block texture conditioned key frame encoder for wireless capsule endoscopy”, Biomedical Signal Processing and Control, Volume 60, July 2020, 101940, DOI:10.1016/j.bspc.2020.101940, (SCIE indexed)

  8.  S. Shilpa Kamath, P. Aparna and Abhilash Anthony (2020), “Performance enhancement of HEVC lossless mode using context-based angular and planar intra predictions”, Multimedia Tools and Applications, Springer, pp. 1–23. DOI: 10.1007/s11042-019-08466-4, (SCIE indexed)

  9. S. Shilpa Kamath, P. Aparna and Abhilash Anthony (2020), “Pixelwise improvised blend of predictors in HEVC lossless mode”, International Journal of Electronics and Communications (AEU¨ ), Elsevier, Vol. 114, DOI: 10.1016/j.aeue.2019.153000, (SCIE indexed)

  10. Srinidhi, C. L., Aparna, P., & Rajan, J. , ” Automated Method for Reti- nal Artery/Vein Separation via Graph Search Metaheuristic Approach”, IEEE Transactions on Image Processing., doi: 10.1109/TIP.2018.2889534, vol 28, pp 2705-2718 (SCI)

  11. S. Shilpa Kamath, P. Aparna, Abhilash Antony, “Gradient-oriented directional predictor for HEVC planar and angular intra prediction modes to enhance lossless compression”, AEU - International Journal of Electronics and Communications, Elsevier Publishers, Vol 95, October 2018, Pages 73-81, https://doi.org/10.1016/j.aeue.2018.07.037. (SCI & SCIE Indexed)

  12. L Srinidhi, C., Aparna, P. & Rajan,J , “A visual attention guided unsupervised feature learning for robust vessel delineation in retinal images”, Journal Of Biomedical Signal Processing and Control, Elsevier Publishers, Vol 44, July 2018, Pages 110-126b, https://doi.org/10.1016/j.bspc.2018.04.016 (SCIE Indexed)

  13. L Srinidhi, C., Aparna, P. & Rajan,J, “Recent Advancements in Retinal Vessel Segmentation", Journal of Medical Systems, Springer, April 2017, 2017,41:70, doi:10.1007/s10916-017-0719-2.(SCIE indexed).

  14. Chandrika B.K., Aparna P., Sumam David S., “ Perceptually Lossless Coder for Volumetric Medical Image Data”, Journal of Visual Communication and Image Representation, Elsevier Publishers, Vol 46, July 2017,pp 23-32, doi.org/10.1016/j.jvcir.2017.03.006, (SCIE Indexed)

  15. Chandrika B.K., Aparna P., Sumam David S., “Visually Lossless Coder for Volumetric MRI and CT Image Data using Wavelet Transform”, International Journal of Computation al Vision and Robotics, Vol. 7, No. 6, 2017, Inderscience Publishers. (Scopus Indexed)

  16. D. Sai Parameshwari, Aparna P. “An efficient framework for segmentation and identification of tumours in brain MR images”, Int. J. Advanced Media and Communication, Vol. 6, Nos. 2/3/4, 2016. (Scopus Indexed)

  17. Chandrika B.K., Aparna P., Sumam David S., Analysis and Comparison of Symmetry based Lossless and Perceptually Lossless Algorithms for Volumetric Compression of Medical Images, Journal of Medical Informatics and Technologies, Vol. 24, pp. 147-154, 2015.

  18. Aparna P. and Sumam David, "Low Complexity Distributed Video Coding with Golay Codes," International Journal of Machine Learning and Computing vol. 2, no. 4, pp. 466-470, 2012.

  19. Aparna, P. and David, S. (2011) ‘Efficient Distributed Video Coding based on principle of syndrome coding’, International Journal of Signal and Imaging Systems Engineering 2011 - Vol. 4, No.4 pp. 212 - 219, DOI: 10.1504/IJSISE.2011.044533.(Scopus indexed)

  20. Aparna P, Sivaprakash Reddy, Sumam David, “Distributed video coding using LDPC codes for wireless video”, Journal on Wireless Sensor Networks, Scientific Research Publishing, Inc. USA, 2009, 1, 334-339

    List of Papers Published in Conferences:

  1. S. Biradher and P. Aparna, "Classification of Wireless Capsule Endoscopy Bleeding Images using Deep Neural Network," 2022 IEEE Delhi Section Conference (DELCON), 2022, pp. 1-4, doi: 10.1109/DELCON54057.2022.9753487.

  2. S. Biradher and A. P., "Classification of Capsule Endoscopy Images based on Feature Concatenation of Deep Neural Networks," 2021 Fourth International Conference on Electrical, Computer and Communication Technologies (ICECCT), 2021, pp. 1-4, doi: 10.1109/ICECCT52121.2021.9616920.

  3. Cochlear acoustic model that improves the speech perception in noise by encoding TFS, 4th International Conference on VLSI, Communication and Signal Processing 24-26 SEPTEMBER 2021 MNNIT ALLAHABAD, PRAYAGRAJ, Springer.

  4. Lakshmi, Aparna P, “ Efficient architectures for planar and DC modes of intra prediction in HEVC”, 7th International Conference on Signal Processing and Integrated Networks, SPIN 2020 (2020), 27-28 Feb 2020, Amity University, Delhi.

  5. S. Shastri, Lakshmi and P. Aparna, "Complexity Analysis of Hardware Architectures for Intra Prediction unit of High Efficiency Video Coding (HEVC)," 2020 IEEE International Conference on Electronics, Computing and Communication Technologies (CONECCT), Bangalore, India, 2020, pp. 1-6, doi: 10.1109/CONECCT50063.2020.9198553.

  6. Sushma B and Aparna P, “Texture Classification based Efficient Image Compression Algorithm for Wireless Capsule Endoscopy”, 5th Intl. Conference ICCED 2019 April 11th to 13th 2019, at Singapore

  7. Garivi, Haritha., Aparna P, Pathipati Srihari, and Gnane Swarnadh Satapathi, “Analysis of real-time tracking _lters implementation in FPGA. In 2018 IEEE Distributed Computing”, VLSI, Electrical Circuits and Robotics (DISCOVER) . IEEE, 13-14 August 2018

  8. Shilpa Kamath, Aparna P., Abhilash Antony, “Sample-based DC Prediction Strategy for HEVC Lossless Intra Prediction Mode”, 2017 Fourth IEEE ICIIP, 21st-23rd December 2017, Jaypee University of Information Technology, Shimla, Himachal Pradesh, INDIA

  9. Seema K., Aparna P., "A Feasible QRS Detection Algorithm for Arrhythmia Diagnosis", International Conference on Advances in Electrical, Electronic and Systems Engineering (ICAEESE 2016), 14-16 November 2016 in Putrajaya, Malaysia.

  10. Hari Sankar S., Suraj B., Jayadev K., Aparna P., “A comprehensive solution to road traffic accident detection and ambulance management", International Conference on Advances in Electrical, Electronic and Systems Engineering (ICAEESE 2016), 14-16 November, 2016 in Putrajaya, Malaysia

  11. Chandrika B.K., Aparna P., Sumam David S., “Irreversible wavelet compression of radiological images based on visual threshold”, IEEE International Women in Engineering Conference on Electrical and Computer Engineering, 19-20 December 2015, Dhaka, Bangladesh.

  12. Chandrika B.K., Aparna P., Sumam David, “Symmetry Based Perceptually Lossless Compression of 3D Medical Images in Spatial Domain”, International Conference on Computer, Communication, and Control Technology (I4CT, 2014), Malaysia, September 2014.

  13. Parameshwari,D.S., Aparna P., “An efficient algorithm for textural feature extraction and detection of tumors for a class of brain MR imaging applications”, 19th International Conference on  digital Signal Processing (DSP), 2014, Hong Kong, Publication Year: 2014 , Page(s): 339 – 344

  14. Aparna P, Shreyas S Hanchinal, Preetham N, Kishore Subramanian B, “Comparative study of Canny Edge Detection Algorithm for Diagnosis of Retinopathy of Prematurity”,  international  Engineering Symposium (IES-2013), Kumamoto University, Japan, 4 - 6 March, 2013.

  15. Ashwini V R and Aparna P, “ A Nearest Neighbor Based Approach for Classifying Epileptic form EEG Using NonLinear DWT Features”, International Conference on Signal Processing and  Communications, Indian Institute of Science, Bangalore, July 22-25 2012.

  16. Aparna P, Sumam David,” Low complexity distributed video coding with Golay codes” 2011 3rd International Conference on Machine Learning and Computing (ICMLC 2011), Singapore, February26-28, 2011.

  17. Aparna P, Sumam David,” Multilevel Coset coding of video with Golay codes”, IEEE Symposium on Computer and Informatics (ISCI 2011), Kuala Lumpur, Malaysia, March 20-22, 2011.

  18. Sivaprakash Reddy, Aparna P & Sumam David, “Syndrome coding of Video with LDPC codes”, 9th International Conference on Signal Processing, Beijing, China, 24-29 October 2008.

  19. Aparna P, Sumam David S,” Efficient Compression of video using distributed source coding”, National Conference on Computer Vision, Pattern Recognition Image Processing & Graphics, NCVPRIPG08 DAIICT Gandhinagar, Jan 11-13, 2008.

16. Aparna P and Sumam David, Adaptive Local Cosine transform for Seismic Image Compression,  ADCOM 2006, NITK, Surathkal Dec 20-23, 2006.

17. Aparna P. and Sumam David, Seismic Data Compression using fast wavelets, PGFEST 2006, NMAMIT, Nitte.


1. Best Paper of the Track in IEEE WIECON--ECE 2015 Track Name: Multimedia and Signal Processing Irreversible Wavelet Compression of Radiological Images Based on Visual Threshold

2. Best Paper Award' in the area of Information Processing and Automation for paper #1570297822 ('A comprehensive solution to road traffic accident detection and ambulance management’ in ICAEESE 2016, Malaysia.


Contact us

Prof. N. Shekar V. Shet, Proffessor and Head, 
Department of ECE, NITK, Surathkal
P. O. Srinivasnagar,
Mangalore - 575 025 Karnataka, India.

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