Peer Reviewed Conference Papers/Presentations/Posters
Papers, Talks, Posters presented at International & National Conferences
Nithin Nagaraj, "The Locus of Perception", Special session on "The Philosophy of Perception", MBCC 2023: Mind, Brain, Consciousness Conference, organized by Indian Knowledge System and Mental Health Applications (IKSMHA) Centre, IIT Mandi, Dec. 14, 2023. (oral-online)
Nithin Nagaraj, "Donald Hoffman’s Conscious Realism and Sri Ramanuja’s Viśiṣṭādvaita", MBCC 2023: Mind, Brain, Consciousness Conference, organized by Indian Knowledge System and Mental Health Applications (IKSMHA) Centre, IIT Mandi, Dec. 14, 2023. (poster)
Rahul Venugopal, Arun Sasidharan, Ramajayam G, Ravindra P.N, Nithin Nagaraj, Kaviraja Udupa, John P John and Bindu M Kutty, "Targeting ongoing neural oscillations and aperiodic activity through tACS: Unravelling frequency specific modulation and nonlinear interactions", MBCC 2023: Mind, Brain, Consciousness Conference, organized by Indian Knowledge System and Mental Health Applications (IKSMHA) Centre, IIT Mandi, Dec. 14, 2023. (oral-RV)
Poornima Mohan, Karthi Balasubramanian, Gayathri R Prabhu, Nithin Nagaraj, "Interpretation of ETC in the context of Biomedical Signal Analysis", IEEE R10 Humanitarian Technology Conference 2023 (AI and Smart Technologies for Humanity), 16-18 Oct. 2023, Marwadi University, Rajkot India. (ORAL-PM)
Aditi Kathpalia, Nithin Nagaraj, "Spectral estimation based on compressibility", Perspectives in Nonlinear Dynamics 2023 (PNLD 2023), Centre for Complex Systems & Dynamics, IIT Madras and the Department of Applied Mechanics, IIT Madras, Aug. 1, 2023. (ORAL-AK) (link to Book of Abstracts)
Aditi Kathpalia, Harikrishnan NB, Nithin Nagaraj, "A hybrid Neurochaos Learning-Reservoir Computing architecture for prediction", Dynamic Days US 2023, Jan. 9, 2023. (POSTER-HNB) (link)
Harikrishnan NB, Diptendu Chatterjee, Nithin Nagaraj, "Revisiting the XOR problem using Neurochaos Learning", Conference on Nonlinear Systems and Dynamics 2022, IISER Pune, 16 December 2022. (ORAL-HNB)
Harikrishnan N B and Aditi Kathpalia and Nithin Nagaraj, "Causality Preserving Chaotic Transformation and Classification using Neurochaos Learning", Proceedings of Advances in Neural Information Processing Systems, NeurIPS 2022 (Eds.: Alice H. Oh and Alekh Agarwal and Danielle Belgrave and Kyunghyun Cho), 2022. (link) (Bytez-link)
Anwesh Bhattacharya, Snehanshu Saha, Nithin Nagaraj, "Fairly Constricted Multi-Objective Particle Swarm Optimization", The 29th International Conference on Neural Information Processing (ICONIP 2022), IIT Indore, Nov. 24, 2022. (arXiv link) (Proceedings link)
Nithin Nagaraj, Aditi Kathpalia, "Strengths of Effort-To-Compress Complexity for analyzing time series from complex systems", Conference on Complex Systems (CCS 2022), Palma de Mallorca, Spain, October 17, 2022 (link to program) (abstract) (POSTER-AK).
Nithin Nagaraj, "The Unreasonable Effectiveness of the Chaotic Tent Map in Engineering Applications", Meeting for the Dissemination and Research in the Study of Complex Systems and their Applications (EDIESCA 2022), University of Baja California, Campus Ensenada B.C., virtual mode, Sep. 30, 2022 (link to program) (ORAL-NN)
Remya Ajai AS, Harikrishnan NB, Nithin Nagaraj, "Analysis of Logistic Map Based Neurons in Neuorchaos Learning Architectures for Data Classification", Meeting for the Dissemination and Research in the Study of Complex Systems and their Applications (EDIESCA 2022), University of Baja California, Campus Ensenada B.C., virtual mode, Sep. 30, 2022 (link to program) (ORAL-RA)
Deeksha Sethi, Nithin Nagaraj, Harikrishnan NB, "Neurochaos Feature Transformation for Machine Learning", Meeting for the Dissemination and Research in the Study of Complex Systems and their Applications (EDIESCA 2022), University of Baja California, Campus Ensenada B.C., virtual mode, Sep. 30, 2022 (link to program) (ORAL-DS)
Aditi Kathpalia, Nithin Nagaraj, "Multivariate Granger Causal Discovery for Compressively Sensed Signals", NETDAT22 - International Seminar & Workshop on Inverse Network Dynamics - Network structure and function from nonlinear dynamics and time series data, Max Planck Institute for the Physics of Complex Systems, Dresden, Germany, 14th September 2022 (link to program) (ORAL-AK)
Aditi Kathpalia, Nithin Nagaraj, "Causal Properties of Synchronizing Systems", Dynamics Days Europe 2022, Univ. of Aberdeen, 25th August 2022 (link to abstract) (ORAL-AK)
Hemang Subramanian, Patricia Angle, and Nithin Nagaraj. "Do Sentiment Indices Outperform Quantitative Indicators As Predictors For Cryptocurrency Prices?", The annual Pacific Asia Conference on Information Systems (PACIS), PACIS 2022 Proceedings. 293. (link)
Aditi Kathpalia, Nithin Nagaraj, "Measuring Consciousness using Network Connectivity Approaches", 8th Annual Conference of Cognitive Science (ACCS8), Amrita Vishwa Vidyapeetham, Amritapuri, (online), Jan. 21, 2022. (ORAL-AK) (YouTube link)
Harikrishnan NB, Nithin Nagaraj, “Why does Neurochaos Learning work? The Role of Chaos and Noise in Neurochaos Learning”, Conference on Nonlinear Systems & Dynamics (CNSD-2021), Sastra University (online), Dec. 22, 2021 (ORAL-HNB).
Anand Ganesh, Nithin Nagaraj, “Dynamical Analysis of Recursive Neural Networks”, Conference on Nonlinear Systems & Dynamics (CNSD-2021), Sastra University (online), Dec. 18, 2021 (ORAL-AG).
Aditi Kathpalia, Nithin Nagaraj, “Causal Criteria for Synchronization”, Conference on Nonlinear Systems & Dynamics (CNSD-2021), Sastra University (online), Dec. 17, 2021 (ORAL-AK).
Nithin Nagaraj, “Infotheoretic Analysis of Short Time Series of Coupled Chaotic Maps: Issues & Challenges”, Conference on Nonlinear Systems & Dynamics (CNSD-2021), Sastra University (online), Dec. 20, 2021 (POSTER).
Nithin Nagaraj, “Problems with first-order infotheoretic measures on short sequences”, in Proceedings of the 1st International Electronic Conference on Information, 1–15 December 2021, MDPI: Basel, Switzerland, doi:10.3390/IECI2021-12073. (link to abstract and video presentation) (link to slides)
Aditi Kathpalia, Nithin Nagaraj, “Information-theoretic Underpinnings of the Effort-to-Compress Complexity Measure”, in Proceedings of the 1st International Electronic Conference on Information, 1–15 December 2021, MDPI: Basel, Switzerland, doi:10.3390/IECI2021-11957. (link to abstract) (link to slides)
Abhishek Nandekar, Preeth Khona, Rajani MB, Anindya Sinha, Nithin Nagaraj, "Causal Analysis of Carnatic Music Compositions", 2021 IEEE International Conference on Electronics, Computing and Communication Technologies (CONECCT), 2021, pp. 1-6, doi: 10.1109/CONECCT52877.2021.9622710. (ORAL-AN-online) (link)
Anindya Sinha, Debapriyo Chakraborty, Nithin Nagaraj, "Social Networks, Communication Behaviour and Disease Ecology in Seabirds - A Proposal for Adélie Penguins in Antarctica", In: Proceedings of the Workshop on Social Network of Animals in Extreme Environment of Antarctica with Special Reference to Penguins, Zoological Survey of India and Ministry of Earth Sciences, Government of India, New Delhi, pp. 26–29, Sep. 2021. (link)
Nithin Nagaraj, "The Exclusion Axiom of Integrated Information Theory of Consciousness", The 24th meeting of the Association for the Scientific Study of Consciousness (ASSC24), Tel-Aviv, Concurrent Talks (online), June 16. 2021 (ORAL) (link)
Harikrishnan NB and Nithin Nagaraj, "Neurochaos Inspired Hybrid Machine Learning Architecture for Classification", IEEE International Conference on Signal Processing and Communication (SPCOM 2020), IISc. Bengaluru (Virutal Conference), July 20-23, 2020. (ORAL-HNB-online) (link to the conference schedule) (link to the conference proceedings) (link to the video presentation) (Github link to the code - courtesy - Dr. Pranay Yadav and Harikrishnan N B)
Harikrishnan NB and Nithin Nagaraj, "A Novel Chaos Theory Inspired Neuronal Architecture", IEEE conference on Global Conference for Advancement in Technology (IEEE GCAT), Bengaluru, Oct. 18, 2019. (ORAL-HNB) (preprint) (proceedings)
Nikita Agarwal, Aditi Kathpalia and Nithin Nagaraj, "Distinguishing Different Levels of Consciousness using a Novel Network Causal Activity Measure", IEEE conference on Global Conference for Advancement in Technology (IEEE GCAT), Bengaluru, Oct. 18, 2019. (ORAL-NN) (preprint) (proceedings)
Aditi Kathpalia, Nithin Nagaraj, “A Novel Compression Based Neuronal Architecture for Memory Encoding”, Computing and Networking for Smart Healthcare (CoNSH) Workshop in International Conference on Distributed Computing and Networking (ICDCN ’19), January 4, 2019, Bangalore,India. (ORAL- AK) (link) (proceedings)
Srilakshmi P, Karthi Balasubramanian, Nithin Nagaraj, Sandipan Pati, “Multiscale Analysis of Heart Rate Variability Using Subsymmetry and Effort-to-Compress Complexity Measures”, INDICON-2018, Amrita Vishwa Vidyapeetham, Coimbatore, Dec. 17, 2018. (ORAL - SP) (proceedings)
Aditi Kathpalia, Nithin Nagaraj, “Detecting Anticipating and Complete Synchronization using Causality Testing Methods”, Conference on Nonlinear Systems and Dynamics (CNSD-2018), School of Computational and Integrative Sciences, Jawaharlal Nehru University, New Delhi, Oct. 12, 2018. (POSTER - AK)
Aditi Kathpalia, Nithin Nagaraj, “Deciphering Anticipation Synchronization using Causality Testing Methods”, International Conference on Causality in the Neuro- and Psychological Sciences, Univ. of Antwerp, Belgium, Sep. 20, 2018. (ORAL- AK)
Abhijith MA, Aishwarya N, Aswathi G, Krishnapriya M, Aditi Kathpalia, Nithin Nagaraj, "Structured Compressed Sensing Matrices for Causality Detection", 3rd IEEE Intl. Conf. on Recent Trends in Elec., Info. & Comm. Tech. (RTEICT 2018), May 18 - 19 , 2018, Bengaluru. (ORAL - AN) (proceedings)
Aditi Kathpalia, Nithin Nagaraj, “Measuring Causality using Compression-Complexity”, Brain Modes 2017, National Brain Research Center, Gurugram, Dec. 11-14, 2017. (POSTER- AK)
Aditi Kathpalia, Nithin Nagaraj, “A New Approach to Causality Based on Compression-Complexity”, The Science of Consciousness (TSC 2017), June 5-10, 2017, La Jolla, California. (Abstracts link) (ORAL - AK)
Mohit Virmani, Nithin Nagaraj,"Towards Measuring Consciousness By A Compression-Complexity Approach", The Science of Consciousness (TSC 2017), June 5-10, 2017, La Jolla, California. (Abstracts link) (ORAL - MV)
Suresh Jois, Nithin Nagaraj, "A Study of Two Measures of Integrated Information in Brain Networks", The Science of Consciousness (TSC 2017), June 5-10, 2017, La Jolla, California. (Abstracts link) (POSTER, presented on our behalf by Mohit Virmani & Aditi Kathpalia) (arXiv:1706.09570v1 [q-bio.NC])
Aditi Kathpalia, Nithin Nagaraj, “ On the Limitations of Causality Measures in Neuroscience”, BSSE Annual Research Symposium 2017: Computational Bioengineering, 27 - 28 January 2017, IISc. Bengaluru. (Abstracts link) (ORAL - AK)
Nithin Nagaraj, K. R. Sahasranand, “Separating a Heterogeneous Mixture of Chaotic Signals using Compressed Sensing”, Conference on Nonlinear Systems. & Dynamics (CNSD 2016), IISER Kolkata, Dec. 16 - 18, 2016. (Proceedings) (ORAL - NN)
Nithin Nagaraj, K. R. Sahasranand, "Neural Signal Multiplexing via Compressed Sensing", IEEE Intl. Conf. on Signal Processing & Communications (IEEE SPCOM 2016), IISc., Bengaluru, 12 - 15 June, 2016. 10.1109/SPCOM.2016.7746641 (ORAL - KRS) arXiv:1601.03214 [cs.IT] (IEEE Link)
Mohit Virmani, Nithin Nagaraj, "Integrated Information Theory – a candidate for nonreductive theory of Consciousness", Young Researchers’ Conference in Cognitive Science, University of Hyderabad, 27-29 March 2016. (POSTER - MV)
Nithin Nagaraj, “Entropy and the Neuron: Insights from Information Theory”, International Conference on Consciousness, Cognition and Culture: Implications for the 21st Century, National Institute of Advanced Studies, Indian Institute of Science Campus, Bengaluru, Dec 9 - 11, 2015. (ORAL)
Karthi Balasubramanian, Nithin Nagaraj, "Automatic Identification of Devanagari Script Texts using Complexity based Measures", Conference on Nonlinear Systems. and Dynamics (CNSD), IISER Mohali, March 13-15, 2015. (ORAL - KB)
Karthi Balasubramanian, Nithin Nagaraj, "Comparative Analysis of Lempel-Ziv and ETC Complexity Measures", International Conference on Perspectives in Non-Linear Dynamics (PNLD 2013), Univ. of Hyderabad, July 15-18, 2013. (ORAL - KB)
Nithin Nagaraj, KW Wong, KN Sriram, "Master-Slave Coupled Chaotic Synchronization based Robust Source Coding", International Conference on Perspectives in Non-Linear Dynamics (PNLD 2013), Univ. of Hyderabad, July 15-18, 2013. (POSTER)
Nithin Nagaraj, "When Information Meets Chaos: Applications of Symbolic Dynamics", invited talk at Mini-Symposia on Time Series Analysis and Fractals, National Conference on Nonlinear Systems and Dynamics (NCNSD 2012), IISER Pune, 14 July, 2012. (ORAL)
Karthi Balasubramanian, Gayathri R Prabhu, Lakshmipriya VK, Maneesha Krishnan, Praveena R and Nithin Nagaraj, "Classification of Periodic, Chaotic and Random Sequences using NSRPS Complexity Measure", National Conference on Nonlinear Systems and Dynamics (NCNSD 2012), 12 - 15 July, 2012. (ORAL - KB)
Remya Ajai A.S., and Nithin Nagaraj, "A Novel Methodology for Memory Reduction in Distributed Arithmetic Based Discrete Wavelet Transform", Procedia Engineering Vol. 30 (2012) 226 – 233. This paper was presented at Intl. Conf. on Comm. Tech. and System Design (ICCSTD 2011), Amrita Vishwa Vidyapeetham, Ettimadai Campus, Coimbatore, December 7-9, 2011. (ORAL - RA) (LINK)
Nithin Nagaraj, Mathew Shaji Kavalekalam, Arjun Venugopal T., and Nithin Krishnan, "Lossless Compression and Complexity of Chaotic Sequences", National Conference on Nonlinear Systems and Dynamics (NCNSD-2011), Bharathidasan University, Tiruchirapalli, Tamil Nadu, January 27-30, 2011. (ORAL-NN) (arXiv)
Nithin Nagaraj, "Exchange Chaotic Synchronization and its Applications to Secure Cryptographic Key Exchange on an Insecure Channel", International Conference on Perspectives in Non-Linear Dynamics (PNLD), IISc., Bangalore, July 26-29, 2010. (POSTER-NN)
Nithin Nagaraj, and Prabhakar G. Vaidya, "Multiplexing of Discrete Chaotic Signals in the Presence of Noise", National Conference on Non-linear Systems and Dynamics, Saha Institute of Nuclear Physics, Kolkata, March 5, 2009. (ORAL-NN)
Nithin Nagaraj, and Prabhakar G. Vaidya, "Perfect Secrecy Systems, Lossless Compression and Logic Gates: An unifying theme using Nonlinear Dynamical Systems", International Conference on Nonlinear Dynamical Systems and Turbulence, IISc., Bangalore, July 17-22 2008. (POSTER-NN)
Sajini Anand P.S., Nithin Nagaraj, Prabhakar G. Vaidya, "Imprecise Synchronization: A Study", International Conference on Nonlinear Dynamical Systems and Turbulence, IISc., Bangalore, July 17-22, 2008. (POSTER-SA)
Nithin Nagaraj, and Prabhakar G. Vaidya, "Joint Source Coding, Channel Coding, and Encryption using Nonlinear Dynamical Systems Approach", Proceedings (Narosa Publishers, New Delhi [2009]) of the Intl. Conf. on Recent Developments in Nonlinear Dynamics, held at the Bharathidasan University, Tiruchirapalli, India during 7-9 , February 2008. (ORAL-NN)
Nithin Nagaraj, and Prabhakar G. Vaidya, "A Non-linear Dynamical Systems Approach to Source Coding", National Conference on Nonlinear Systems and Dynamics, Jan 3-5, 2008. (ORAL-NN)
Nithin Nagaraj, Prabhakar G. Vaidya, and Rajesh Sundaresan, "A Dynamical Systems Approach to Source Compression for Constrained Sources", Non-linear Dynamics and Chaos: Advances and Perspectives, 17-21 September 2007, Aberdeen, UK. (ORAL-NN)
Nithin Nagaraj, Mahesh C. Shastry, and Prabhakar G. Vaidya, "Switching of non-linear dynamical systems and its effect on round-off induced periodicity with applications to pseudo-random number generation", Non-linear Dynamics and Chaos: Advances and Perspectives, 17-21 September 2007, Aberdeen, UK. (POSTER-NN)
Nikhil Balaji, and Nithin Nagaraj, "Cryptanalysis of a Chaotic Encryption Algorithm", National Conference on Nonlinear Systems and Dynamics, Jan 3-5, 2008. (POSTER-NN)
Pavan Tallapragada, Nithin Nagaraj, and Prabhakar G. Vaidya, "Coding and Decoding Programs using Chaotic Dynamical Systems", National Conference on Nonlinear Systems and Dynamics, Jan 3-5, 2008. (POSTER-PT)
Nithin Nagaraj, Mahesh C. Shastry, and Prabhakar G. Vaidya, "Stochastic switching of deterministic chaotic systems on a finite precision computer: Implications to chaos and randomness", International Conference on Stochastic Applications, IISc., Bangalore, July 2007. (POSTER-NN)
Prabhakar G. Vaidya, Sajini Anand P.S., and Nithin Nagaraj, "A Non-linear Generalization of Singular Value Decomposition and its Application to Cryptanalysis", International Instructional workshop / conference on Applied Multi-variate data Analysis with Applications to Life, Social and Environmental Science, Hyderabad, Jan 16-20, 2008. (ORAL-SA)
Prabhakar G. Vaidya, and Nithin Nagaraj, "Foundational issues of Chaos and Randomness: God or Devil, Do We Have a Choice?", In: Proceedings of Foundations of Sciences. Project of History of Indian Science, Philosophy and Culture (PHISPC), editor BV Sreekantan, New Delhi, pp. 1-17, 2006. (link) (PROC)
Nithin Nagaraj, Prabhakar G. Vaidya, and Kishor G. Bhat, "Joint Arithmetic Coding and Encryption using Chaotic Maps", National Conference on Mathematical Foundations of Coding, Complexity, Computation and Cryptography, IISc., Bangalore, July 20-22nd, 2006 (arXiv) (ORAL-NN)
Mahesh C. Shastry, Nithin Nagaraj, and Prabhakar G. Vaidya, "A Generalization of the Logistic Map and its Applications in Generating Pseudo-Random Numbers", International Conference on Mathematical Modelling and Computer Simulation, LNMIIT, Jaipur, India, December 12-15, 2006. (arXiv) (ORAL-MS)
Nithin Nagaraj, and Shekhar Dwivedi, "CxCxC: Compressed Connected Components Labeling Algorithm", Proceedings Proceedings of SPIE Medical Imaging 2007: Image Processing, vol. 6512, pp. 65123M, March 2007. (link) (POSTER-NN)
Prabhakar G. Vaidya, Nithin Nagaraj, and Sajini Anand, "Topological Derivatives and other Embeddings for Ocean Floor Tsunami Data", poster presented at International Conference on Tsunami & Non-linear Waves, Saha Institute of Nuclear Physics, Salt Lake, Calcutta, India, March 6-10, 2006. (POSTER-NN)
Nithin Nagaraj, Yogisha Mallya, "On the Use of Lossless Integer Wavelet Transforms in Medical Image Segmentation", Proceedings of SPIE Medical Imaging 2005: Image Processing, vol. 5747, pp. 1913--1924, April 2005. (POSTER-NN)
Girish Gopalakrishnan, Tim Poston, Nithin Nagaraj, Rakesh Mullick, Jerome Knoplioch, "Implicit Function-based Phantoms for Evaluation of Registration Algorithms", Proceedings of SPIE Medical Imaging 2005: Image Processing, vol. 5747, pp. 1310-1316, April 2005. (POSTER-GG)
Srikanth Suryanarayanan, Rakesh Mullick, Yogish Mallya, Vidya Kamath, and Nithin Nagaraj, "Automatic Partitioning of Head CTA for Enabling Segmentation", Proceedings of SPIE Medical Imaging 2004: Image Processing, vol. 5370, pp. 410-419, May 2004. (ORAL-SS)
Nithin Nagaraj, William A. Pearlman and Asad Islam, "Block Based Embedded Color Image and Video Coding", Proceedings of SPIE Visual Communications and Image Processing: Multimedia Technologies for Embedded Systems, vol. 5308, pp. 264--275, January 2004. (ORAL-WP)
Nithin Nagaraj, Sudipta Mukhopadhyay, Frederick Wheeler and Ricardo. S. Avila, "Region of Interest and Windowing Based Progressive Image Transmission Using JPEG2000", Proceedings of SPIE Medical Imaging 2003: PACS and Integrated Medical Information Systems, vol. 5747, pp. 382-391, May 2003. (POSTER-NN)
Nithin Nagaraj, "A Very Low-Complexity Multi-resolution Prediction-based Wavelet Transform Method for Medical Image Compression", proceedings of the IEEE: TENCON Conference on Convergent Technologies for Asia-Pacific Region, vol. 2, pp. 525-528, October 2003. (ORAL-NN)
Nithin Nagaraj and Rakesh Mullick, "Zero-Distortion Lossless Data Embedding", Proceedings of SPIE Medical Imaging 2004: Image Processing, vol. 5370, pp. 1906-1913, April 2004. (POSTER-NN)
S. V. Bharath Kumar, Nithin Nagaraj, Sudipta Mukhopadhyay and Xiaofeng Xu, "Block-based Conditional Entropy Coding for Medical Image Compression", Proceedings of SPIE Medical Imaging 2003: Image Processing, vol. 5033, pp. 375-381, May 2003. (POSTER)
Sudipta Mukhopadhyay, Nithin Nagaraj, Xiaofeng Xu, Frederick W. Wheeler, Saad Sirohey and Robert Sigal , "TruRez: A FastWavelet-based Multi-resolution Image Compression Scheme for Medical Images", InfoRad presentation, RSNA 2002. (DEMO-SM)
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