Publications
For the latest publications and research impact, visit:
Book Chapter
1.M. Phanikumar, L. Kumar, and R. M. Hegde, "An Unsupervised Approach to Multiple Speaker Tracking for Robust Multimedia Retrieval", The Era of Interactive Media, Springer New York, 2013, pp. 519-529.
Patents
1.Lalan Kumar, Pramod Yadav, Shivani Ranjan, Robin Badal, ”System and Methods for Computing a Dementia Severity Index from Electroencephalogram Signal”, Application No. 202611002682, Filing Date: 9/01/2026.
2.Lalan Kumar and Kuldeep Singh Yadav, ”A system for facial expression recognition using attention based vision transformer”, Application No. 202411029187, Filing Date: 10/04/2024, Publication Date: 31/10/2025.
3.Lalan Kumar and Kuldeep Singh Yadav, ”A System and Method for Estimating Suspiciousness in an environment”, Application No. 202511059929, Dated 23th June, 2025.
In Peer Reviewed International Journal
1.S. Ranjan, R. Badal, P. Yadav, and L. Kumar, ”Dementia severity index: A threshold-based approach to classifying dementia levels using resting state EEG”, Computers in Biology and Medicine 203, 111505, 2026.
2.R. Badal et al., ”Saraswata Ghrita mitigates AlCl₃-and D-galactose–induced cognitive deficits in a murine Alzheimer’s-like model: In silico and in vivo insights”, Brain Research Bulletin, 111742, 2026.
3.P. Singh, E. Ghanshani, P. Mahajan, L. Kumar, and T.K. Gandhi, ”Multisensory integration task–based age group classification in early-mid adulthood”, Medical & Biological Engineering & Computing, 1-16, 2025.
4.R. Kumar, A. Gupta, S.P. Muthukrishnan, L. Kumar, and S. Roy, ”PiMAN: A Physics-informed Motion Prediction Network using sEMG signal features for human movement parameters”, Neurocomputing, 130884, 2025.
5.R. Badal et al., ”GC-MS/MS and HR-LCMS-QTOF Analysis of various extracts of Saraswata Ghrita: A comprehensive dataset on phytochemical compounds”, Data in Brief, 111675, 2025.
6.S. Ranjan et al., ”Deep learning-based classification of dementia using image representation of subcortical signals”, BMC Medical Informatics and Decision Making 25 (1), 113, 2025.
7.A. Jain and L. Kumar, ”ESI-GAL: EEG source imaging-based trajectory estimation for grasp and lift task”, Computers in Biology and Medicine 186, 109608, 2025.
8.S. Ghosh et al., ”Decoding the brain-machine interaction for upper limb assistive technologies: advances and challenges”, Frontiers in Human Neuroscience 19, 1532783, 2025.
9.R. Badal et al., ”Alzheimer's disease: A case study involving EEG-based fE/I ratio and pTau-181 protein analysis through nasal administration of Saraswata Ghrita”, Journal of Alzheimer's Disease Reports 8 (1), 1763-1774, 2024.
10.P. Singh, A. Tripathi, T.K. Gandhi, and L. Kumar, ”Exploring age-related functional brain changes during audio-visual integration tasks in early to mid-adulthood”, Neuroscience Informatics 4 (4), 100172, 2024.
11.Kuldeep Singh Yadav, Sonalika Singh, and Lalan Kumar, ”FER20E: An Extended Facial Expression Recognition Dataset with 20 Discrete Emotions”, TechRxiv. August 02, 2024, under review in IEEE Transaction of Affective Computing IF 9.6 .
12.S. Ranjan and L. Kumar, "Spatiotemporal Analysis of Verbal Working Memory With 31-Channel EEG: Comparative Insights From 63-Channel EEG," in IEEE Transactions on Instrumentation and Measurement, vol. 74, pp. 1-12, 2025 IF 5.332 .
13.Ayush Tripathi, Aryan Gupta, Prathosh A.P., Suriya Prakash Muthukrishnan and Lalan Kumar, ”NeuroAiR: Deep Learning Framework for Airwriting Recognition from Scalp-recorded Neural Signals,” in IEEE Transactions on Instrumentation and Measurement, Vol. 73, April 14, 2024, pp. 1-13. IF 5.332 .
14.Manali Saini*, Anant Jain*, Suriya Prakash Muthukrishnan, Shubhendu Bhasin, Sitikantha Roy, and Lalan Kumar, ”BiCurNet: Pre-Movement EEG based Neural Decoder for Biceps Curl Trajectory Estimation,” in IEEE Transactions on Instrumentation and Measurement, Vol. 73, Jan 10, 2024, Pages : 1-11 IF 5.332 .
15.Deepika Kumari, and Lalan Kumar, ”Computation of Spherical Sector Harmonics Norm with Application to Source Separation”, The Journal of the Acoustical Society of America Express Letters (JASA-EL), Vol 3, Issue 3, 11 Oct 2023, IF 1.0 .
16.Anant Jain and Lalan Kumar, Subject-independent trajectory prediction using pre-movement EEG during grasp and lift task”, in Biomedical Signal Processing and Control, Volume 86, Part A, June 20, 2023, 105160 IF 5.1 .
17.Ayush Tripathi, Prathosh A.P., Suriya Prakash Muthukrishnan, and Lalan Kumar, ”TripCEAiR: A Multi-Loss minimization approach for surface EMG based Airwriting Recognition,” in Biomedical Signal Processing and Control, May 10, 2023, Pages-104991, Vol. 85 IF 5.076 .
18.Ayush Tripathi, Prathosh A.P., Suriya Prakash Muthukrishnan, and Lalan Kumar, ”SurfMyoAiR: A surface Electromyography based framework for Airwriting Recognition,” in IEEE Transactions on Instrumentation and Measurement, Feb 23, 2023, IF 5.332 .
19.Prerna Singh, Tapan Kumar Gandhi, Lalan kumar, ”Reorganization of resting-state brain network functional connectivity across human brain developmental stages”, Brain Research, Voume 1800, Dec 1, 2022, IF 3.61 .
20.Deepika Kumari, and Lalan Kumar, ”Maximum Directivity and White Noise Gain Beamformer in Spherical Sector Harmonics Domain”, Applied Acoustics, Voume 200, Oct 28, 2022, IF 3.614 .
21.A. Tripathi, A. K. Mondal, L. Kumar and P. A.P., ”ImAiR: Airwriting Recognition framework using Image Representation of IMU Signals,” in IEEE Sensors Letters, Sep 15, 2022.
22.Amita Giri, Lalan Kumar, Nilesh Kurwale, Tapan K Gandhi, ”Anatomical Harmonics Basis based Brain Source Localization with Application to Epilepsy”, Scientific reports 12, no. 1, July 4, 2022 IF 4.996 .
23.Anant Jain and Lalan Kumar, ”PreMovNet: Pre-Movement EEG-Based Hand Kinematics Estimation for Grasp and Lift Task”, in IEEE Sensors Letters , Vol. 6, no. 7, pp. 1-4, July 1, 2022.
24.Amita Giri, Gary P.T. Choi, Lalan Kumar, ”Adaptive Area-Preserving Parameterization of Open and Closed Anatomical Surfaces”, Computers in Biology and Medicine, Elsevier, Volume 148, June 16, 2022, IF6.698 .
25.Pancholi, Sidharth, Amita Giri, Anant Jain, Lalan Kumar, and Sitikantha Roy, ”Source Aware Deep Learning Framework for Hand Kinematic Reconstruction using EEG Signal”, IEEE Transactions on Cybernetics, May 11, 2022, doi: 10.1109/TCYB.2022.3166604, IF19.118 .
26.Sambhav, Ratna, Shreeshan Jena, Ankit Chatterjee, Shubhendu Bhasin, Sushma Santapuri, Lalan Kumar, Suriya Prakash Muthukrishnan, and Sitikantha Roy, ”An Integrated Dynamic Closed Loop Simulation Platform for Elbow Flexion Augmentation Using an Upper Limb Exosuit Model”, Frontiers in Robotics and AI, Vol. 9, March 17, 2022. IF4.331 .
27.A. Tripathi, A. K. Mondal, L. Kumar and P. AP, ”SCLAiR: Supervised Contrastive Learning for User and Device Independent Airwriting Recognition”, IEEE Sensors Letters, Vol. 6, No. 2, pp. 1-4, Feb, 2022.
28.A. Giri, L. Kumar and T. K. Gandhi, ”Cortical Source Domain Based Motor Imagery and Motor Execution Framework for Enhanced Brain Computer Interface Applications”, IEEE Sensors Letters, Vol. 5, No. 12, pp. 1-4, Dec, 2021.
29.Deepika Kumari, and Lalan Kumar, ”S2H Domain Processing for Acoustic Source Localization and Beamforming Using Microphone Array on Spherical Sector”, Signal Processing, in IEEE Transactions on Signal Processing, vol. 69, pp. 1983-1994, March 18, 2021.
30.Deepika Kumari, and Lalan Kumar, ”Spherical sector harmonics representation of sound fields using a microphone array over spherical sector”, The Journal of the Acoustical Society of America. Jan 6, 2021, 149(1):145-57.
31.Amita Giri, Gary P.T. Choi, Lalan Kumar, ”Open and closed anatomical surface description via hemispherical area-preserving map”, Elsevier Signal Processing, Vol. 180, 2021, 107867, Nov 1, 2020.
32. A. Giri, L. Kumar and T. Gandhi, ”Brain Source Localization in Head Harmonics Domain” in IEEE Transactions on Instrumentation and Measurement, vol. 70, pp. 1-10, 2021, Art no. 4001410, Oct 1, 2020.
33.Lalan Kumar, and Rajesh Hegde, ”Near-field Acoustic Source Localization and Beamforming in Spherical Harmonics Domain”, Signal Processing, IEEE Transactions on, vol.64, no.13,pp. 3351-3361, July 1, 2016.
34.Lalan Kumar and Rajesh Hegde, Stochastic Cram ́er-Rao Bound Analysis for DOA Estimation in Spherical Harmonics Domain, Signal Processing Letters, IEEE, vol. 22, no. 8, pp. 1030-1034, Aug 2015.
35.Lalan Kumar, Ardhendu Tripathy, and Rajesh Hegde, ”Robust Multi-source Localization over Pla- nar Arrays using Music-Group Delay Spectrum”, Signal Processing, IEEE Transactions on , vol. 62, no.17, pp.4627-4636, Sept.1, 2014.
36.Pranjal Agrawal, Aseem Kushwah, Lalan Kumar, and Rajesh Hegde. ”On the Rapid Prototyping of a Portable Multi Media Acquisition System for Intelligent Meeting Capture”, Journal of Signal Processing Systems vol. 75, no. 3, pp. 233-243, June 2014.
In Peer Reviewed International Conferences
1.KS Yadav, M Aktar, S Singh, L Kumar, and RH Laskar, ”DL-AAT: An Automatic Annotation Tool for Efficient Data Labeling in Vision-Based Systems”, International Conference on Signal Processing and Computer Vision, 419-431, 2025.
2.D. Kumari and L. Kumar, ”Spherical Sector Harmonics Based Acoustic Source Localization Using Circular Array”, ICASSP 2025 - IEEE International Conference on Acoustics, Speech and Signal Processing, 2025.
3.S. Singh, KS Yadav, P. Gupta, and L. Kumar, ”Cross-cultural facial expression recognition: A deep learning study on indian cultural diversity”, 2025 National Conference on Communications (NCC), 1-6, 2025.
4.Shivani Ranjan, Harshal Shende, Amit Kumar, Robin Badal, Pramod Yadav, and Lalan Kumar, ”Memory Encoding Relation with Alzheimer's Severity: Excitation-to-Inhibition Insights,” 32nd European Signal Processing Conference (EUSIPCO 2024), Aug 26-30, 2024, Lyon, France.
5.Prerna Singh, Tapan Gandhi, and Lalan Kumar, ”Exploring Network Topology-Based Methods to Differentiate Healthy and Alzheimer's Cohorts: An EEG-Based Study,” 32nd European Signal Processing Conference (EUSIPCO 2024), Aug 26-30, 2024, Lyon, France.
6.Shivani Ranjan, and Lalan Kumar, ”EEG Source Localization based Regional-Marker for Impairment Prediction in Alzheimer's Disease,” 13th International Symposium on Image and Signal Processing and Analysis (ISPA), Sep 18-19, 2023, Rome, Italy, pp.1-6
7.P.Singh, A.Tripathi, L.Kumar, T.K. Gandhi, ”Brain Connectivity Features-based Age Group Classification using Temporal Asynchrony Audio-Visual Integration Task,” 2023 45th Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC), July 24-27, 2023, Sydney, Australia
8.Anant Jain, and Lalan Kumar, ” EEG Cortical Source Feature based Hand Kinematics Decoding using Residual CNN-LSTM Neural Network,” 2023 45th Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC), July 24-27, 2023, Sydney, Australia.
9.Shivani Ranjan, and Lalan Kumar, ”Role of Entorhinal and Parahippocampal in Diagnosis of Alzheimer's Disease from Resting State EEG,” 2023 45th Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC), July 24-27, 2023, Sydney, Australia, pp. 1-4
10. Amita Giri, Lalan Kumar, Tapan Gandhi, ”Robust EEG Source Localization Using Subspace Principal Vector Projection Technique”, 28th European Signal Processing Conference (EUSIPCO 2020), January 18-22, 2021, Amsterdam, The Netherlands, pp. 1075-1079.
11. A. Giri, L. Kumar and T. Gandhi, ”Head Harmonics Based EEG Dipole Source Localization,” 2019 53rd Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, USA, 2019, pp. 2149-2153
12. D. Kumari, V. Kailkhura and L. Kumar, ”Hemispherical Harmonics based Acoustic Source Localization in Mixed-field,” 2019 IEEE International Symposium on Signal Processing and Information Technology (ISSPIT), Ajman, United Arab Emirates, 2019, pp. 1-5.
13. Amita Giri, Lalan Kumar, Tapan Gandhi, ”EEG Dipole Source Localization in Hemispherical Harmonics Domain”, in Proc. , APSIPA Annual Summit and Conference 2018, 12-15 November 2018, Hawaii.
14.Santosh K Wupadrasta, Amita Giri, Lalan Kumar, Tapan Gandhi, ”Hemispherical Harmonics based Brain Source Localization”, in Proc. OHBM 2018 Annual Meeting, 17-21 June, Singapore.
15.Deepika Kumari, and Lalan Kumar, ”Acoustic Source Localizaton in Hemispherical Harmonics Domain”, in Proc. EuroNoise 2018, Crete, Greece, 27-31 May, pp.2575-2580.
16.Prabhanshu Pandey, Lalan Kumar, Naresh K. Agarwala, Brejesh Lall, and Surendra Prasad, ”Truncated Sphere Noise Field Modeling for Acoustic Applications”, in Proc. EuroNoise 2018, Crete, Greece, 27-31 May, pp.317-322.
17.L. Kumar, B. Guoan, and R. M. Hegde, ” The Spherical Harmonics Root-MUSIC”, in Acoustics, Speech and Signal Processing (ICASSP), IEEE International Conference on, 20-25 March 2016, Shanghai, China, pp.3046-3050, 20-25 March 2016, Shanghai, China.
18.A. Parthasarathy, S. Kataria, L. Kumar, and R. M. Hegde, ”Representation and Modeling of Spherical Harmonics Manifold for Source Localization”, in Acoustics, Speech and Signal Processing (ICASSP), IEEE International Conference on, pp.26-30, 19-24 April 2015, Brisbane, Australia.
19.Lalan Kumar, Kushagra Singhal, and Rajesh Hegde, ”Near-field Source Localization using Spherical Microphone Array”, Hands-free Speech Communication and Microphone Arrays (HSCMA), 4th Joint Workshop on , pp.82-86, 12-14 May 2014, Villers-les-Nancy, France.
20.Lalan Kumar, Kushagra Singhal, and Rajesh Hegde, ”Robust Source Localization and Tracking using MUSIC-Group Delay Spectrum over Spherical Arrays”, in Computational Advances in Multi- Sensor Adaptive Processing (CAMSAP), 5th IEEE International Workshop on, pp.304-307, 15-18 Dec. 2013, St. Martin, French West Indies.
21.Lalan Kumar, Kushagra Singhal, Rohit Sinha and Rajesh Hegde, ”Significance of the MUSIC- Group Delay Method in an ICA-Beamforming Framework for Speech Separation in Multi Source Environments”, National Conference on Communication (NCC), pp. 1-5, 15-17 Feb., 2013, IIT Delhi, India.
22.Lalan Kumar, Rohan Mandala and Rajesh Hegde, ”MUSIC-Group Delay Based Methods for Robust DOA Estimation using Shrinkage Estimators”, IEEE Sensor Array and Multichannel (SAM) Signal Processing Workshop, pp.281 -284, 17-20 June 2012, Hoboken, NJ, USA.
23.Ardhendu Tripathy, Lalan Kumar, Rajesh Hegde, ”Robust Two Dimensional Source Localization using the MUSIC-Group Delay Spectrum”, Signal Processing and Communications (SPCOM), In- ternational Conference on, pp.1-5, 22-25 July 2012, IISc Bangalore, India
24.Ardhendu Tripathi, L Kumar, and Rajesh Hegde, ”Group Delay based Methods for Speech Source Localization over Circular Arrays”, IEEE Joint Workshop on Hands-free Speech Communication and Microphone Arrays (HSCMA), pp. 64-69, May 30-June 1, 2011, Edinburgh, United Kingdom.
25.M Phanikumar, Lalan Kumar, and Rajesh Hegde, An Unsupervised Approach to Multiple Speaker Tracking for Robust Multimedia Retrieval, Pacific Rim Conference on Multimedia (PCM), pp. 519- 529, 20-22 Dec., 2011, Sydney, Australia.