Publications

Year-2025

Abhishek Kumar, Sanjeev Kumar, Asutosh Kar. Enhancing Image Contrast and Preserving Brightness using Min-Max Peak Fuzzy Histogram Equalization. Circuits Systems and Signal Processing, 2025. (In Press)
Asutosh Kar, Gagandeep Singh, Pradeep K. Shill, Somanath Pradhan, Vasundhara, M. G. Christensen. A Modified Gain Normalized Step Size Adaptive Algorithm for Improved Online Secondary Path Modelling in Active Noise Control. 50th IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), 2025.
Neetu Chikyal, Vasundhara, Chayan Bhar, Asutosh Kar, Mads Græsbøll Christensen. Robust Exponential Hyperbolic Tangent Geman-McClure Based Identification of Nonlinear Systems. 50th IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), 2025.
Fareedha, Vasundhara, Asutosh Kar, Mads Græsbøll Christensen. Next-Generation ANC: Integrating Dynamic Fixed-Filter Strategies With Extended Kalman Filtering for Enhanced Noise Suppression. 50th IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), 2025.
Vanitha Devi R, Vasundhara, Asutosh Kar, Mads Græsbøll Christensen. Fractional-Order Hyperbolic Tangent Based Adaptive Algorithm for Feedback Control in Hearing Aids. 50th IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), 2025.

Year-2024

R. Kranthi, Vasundhara, Asutosh Kar, Mads Græsbøll Christensen. Charbonnier Quasi Hyperbolic Momentum Spline Based Incremental Strategy for Distributed Active Noise Control. IEEE Open Journal of Signal Processing 2024. doi: 10.1109/OJSP.2024.3501774
R. Kranthi, Vasundhara, Asutosh Kar, Mads Græsbøll Christensen. A Family of Swish Diffusion Strategy Based Adaptive Algorithms for Distributed Active Noise Control. IEEE Open Journal of Signal Processing, volume 5, 2024.
R. Kranthi, Vasundhara, Asutosh Kar, Mads Græsbøll Christensen. Hermite Polynomial Based Affine Projection Blake Zisserman Algorithm for Identification of Robust Sparse Nonlinear System. Nonlinear Dynamics 2024.
Asutosh Kar. An Intelligent Momentum Perturbed Variable Step-Size Adaptive Algorithm for Fast Converging HNANC Systems. Digital Signal Processing, volume 145, 2024.
Asutosh Kar, Shoba Sivapatham, Himavanth Reddy, “Improved Monaural Speech Enhancement via Low-Complexity Fully Connected Neural Networks: A Performance Analysis”, Circuits, Systems and Signal Processing, 2024. https://doi.org/10.1007/s00034-024-02958-x
Neetu C., Vasundhara, Chayan Bhar, Asutosh Kar, Mads Græsbøll Christensen. Individually Weighted Modified Logarithmic Hyperbolic Sine Curvelet Based Recursive FLN for Nonlinear System Identification. Circuits, Systems and Signal Processing, 2024.
J. Victor G. de Souza, F. A. de Alcantara Andrade, M. Faria Pinto, Asutosh Kar, Ana Lucia F. de Barros, D. B. Haddad. Conjugate Gradient-Based Active Noise Cancellation. Electronics Letters, volume 60, 2024.
Asutosh Kar, S. Burra, S. Shoba et al. Improved Active Noise Cancellation using Variable Step-Size Combined Fx-LMS Algorithm. Circuits, Systems and Signal Processing, 2024.
Asutosh Kar, S. Shoba, S. Burra, et al. Adaptive Tap-Length Based Sub-Band Mean M-Estimate Filtering for Active Noise Cancellation. Circuits, Systems and Signal Processing, 2024.
Maja L. Banduka, D. Milosevic, Vladimir Orlic, Asutosh Kar, V. Mladenovic. Delay Probability in Adaptive Systems Based on Activation Function of Classical Neural Networks, vol. 28, pp. 1-8, Egy. Informatics Journal, 2024.
R. Kranthi, Vasundhara, Asutosh Kar. Distributed Active Noise Control Employing Swish Framework Integrated with Diffusion Adaptive Techniques. Circuits, Systems, and Signal Processing, 2024.
A. Kumar, S. Kumar, Asutosh Kar. Improved Adaptive Type-2 Fuzzy Detection and Simple Linear Regression-Based Filter for Removing Salt & Pepper Noise. Circuits Systems and Signal Processing, 2024.
S. Burra, Asutosh Kar and Mads Græsbøll Christensen. Conjugate Gradient Based Adaptive Algorithm for Nonlinear AEC. In proc. 49th IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), 2024.
Asutosh Kar, Pradeep K. Shill. An Adaptive Momentum Driven Variable Step-Size Filtered-x Weight Accumulated LMS for Improved HNANC. In proc. 10th IEEE Smart City Conference (ISC2), 2024.
Nikhilesh Kumar, Ferbin Fj, Shoba S., Asutosh Kar and Krithiga R. Efficient Real-Time Okra Stage Identification Using YOLOV8. In proc. 10th IEEE International Conference on Electronics, Computing and Communication Technologies (CONECCT) 2024.

Year-2023

Asutosh Kar. Improved Vocal Isolation from Varying Repeating Structures for Musical Signals. Applied Acoustics, volume 214, 2023.
S. Shoba, Asutosh Kar, Bodile R., Mladenovic V., P. Sooraksa. A Deep Neural Network-Correlation Phase Sensitive Mask-Based Estimation to Improve Speech Intelligibility. Applied Acoustics, volume 212, 2023.
Balasubramanian S., Rajavel, R., Asutosh Kar. Ideal Ratio Mask Estimation Based on Cochleagram for Audio-Visual Monaural Speech Enhancement. Applied Acoustics, volume 211, 2023.
Balasubramanian S., Rajavel, R., Asutosh Kar. Estimation of Ideal Binary Mask for Audio-Visual Monaural Speech Enhancement. Circuits, Systems, and Signal Processing, volume 42, 2023.
Maja Lutovac-Banduka, Danijela Milosevic, Yigang Cen, Asutosh Kar, and Vladimir Mladenovic. Graphical User Interface for Design, Analysis, Validation, and Reporting of Continuous-Time Systems Using Wolfram Language. Journal of Circuits, Systems, and Computers, volume 32, 2023.

Year-2022

S. Shoba, Asutosh Kar, Mads Græsbøll Christensen. Gammatone Filter Bank-Deep Neural Network-based Monaural Speech Enhancement for Unseen Conditions. Applied Acoustics, volume 194, pp. 1-16, 2022.
K. Mohanaprasad, V. S. Ishwarya, A. S. Ponraj, Asutosh Kar. PEVD-Based Adaptive ICA for Acoustic Echo Cancellation During Double-Talk Situation. Circuits, Systems, and Signal Processing, volume 41, 4117–4135, 2022.
D. Sowjanya, S. Shoba, Asutosh Kar, V. Mladnovic. Mask Estimation Using Phase Information and Inter-Channel Correlation for Speech Enhancement. Volume 41, Circuits, Systems, and Signal Processing, 2022.
S. Burra, Sanjana Sankar, Asutosh Kar, Jan Østergaard. A Family of Split Kernel Adaptive Filtering Algorithms for Nonlinear Stereophonic Acoustic Echo Cancellation. Journal of Ambient Intelligence and Humanized Computing, 2022.
Vanamadi, Ravi, Asutosh Kar. Convergence Analysis for an Undermodelled Variable Tap-Length MSF-Based Stereophonic Acoustic Echo Canceller. Circuits, Systems, and Signal Processing, volume 41, 2022.
H. Reddy, Asutosh Kar, Jan Østergaard. Performance Analysis of Low Complexity Fully Connected Neural Networks for Monaural Speech Enhancement. Applied Acoustics, volume 190, 2022.
S. Burra, Asutosh Kar. Nonlinear Stereophonic Acoustic Echo Cancellation using Sub-Filter Based Adaptive Algorithm. Digital Signal Processing, volume 157, 2022.
S. Burra, Asutosh Kar, Mads Græsbøll Christensen. An Improved Functional Link Architecture for Nonlinear AEC. In proc. 30th European Signal Processing Conference (EUSIPCO), 2022.
V. Ravi, Asutosh Kar. Power Transfer Function Based Feedback Cancellation Using Convex Combination of Adaptive Filters. In proc. 19th IEEE Int. conf. on Electronics, Computer, Telecommunications and Information Tech. (ECTICON) 2022.

Year-2021

T.P. Silva, F. Igreja, P. Lara*, L. Tarrataca, Asutosh Kar, D.B. Haddad. On the Skewness of the LMS Adaptive Weights. IEEE Transactions on Circuits and Systems-II, volume 68, no. 8, pp. 3022-3026, 2021.
S. Burra, Asutosh Kar, Jan Østergaard. Multiple Sub-Filter Based Proportionate Filtering for Nonlinear Acoustic Echo Cancellation. Applied Acoustics, volume 182, 2021.
G. Gowtham, S. Burra, Asutosh Kar, Jan Østergaard, V. Maldenovic, P. Sooraksa, D.B. Haddad. A Family of Adaptive Volterra Filters Based on Maximum Correntropy Criterion for Improved Active Control of Impulsive Noise. Circuits, Systems, and Signal Processing, volume 40, pp. 1-19, 2021.
S. Shoba, Asutosh Kar, R. Rajavel. Performance Analysis of Various Training Targets for Improving Speech Quality and Intelligibility. Applied Acoustics, volume 175, 2021.
M. Chandra, P. Goel, A. Anand, Asutosh Kar. Design and Analysis of Improved High-Speed Adaptive Filter Architectures for ECG Signal Denoising. Biomedical Signal Processing and Control, vol. 63, 2021.
S. Burra, Asutosh Kar. Performance Analysis of An Improved Split Functional Link Adaptive Filtering Algorithm for Nonlinear AEC. Applied Acoustics, volume 176, 2021.
S. Burra, Asutosh Kar. Proportionate Adaptive Sub-Filters for Nonlinear Acoustic Echo Cancellation. In proc. 18th IEEE Int. conf. on Electronics, Computer, Telecommunications and Information Tech. (ECTICON) 2021. (Best Paper Award)
V. Ravi, Asutosh Kar. Performance Analysis of Transversal Filter Combination for Feedback Cancellation in Hearing-Aids. In proc. 18th IEEE India Council International Conference (INDICON), 2021.

Year-2020

Sanjana Sankar, Asutosh Kar, Srikanth Burra, M.N.S. Swamy and Vladimir Mladenovic. Nonlinear Acoustic Echo Cancellation with Kernelized Adaptive Filters. Applied Acoustics, volume 166, 2020.
Ravi Vanamadi, Asutosh Kar. Feedback Cancellation in Digital Hearing Aids Using Convex Combination of Proportionate Adaptive Algorithms. Applied Acoustics, volume 182, 2020.
Asutosh Kar, Ankita Anand, and M.N.S. Swamy. Automatic Tap-length Adjustment of Adaptive Filter for Feedback Attenuation in Hearing Aids. Applied Acoustics, volume 158, 2020.
S. Shoba, R. Rajavel, Asutosh Kar, B. Majhi. Monaural Speech Separation Using GA-DNN Based Algorithm. Applied Acoustics, volume 160, 2020.
T. Vishnu Priya, S. Shoba, Asutosh Kar. Parkinson’s Disease Detection Using Multiple Speech Signals. In proc. IEEE 4th International conference on information and communication technology (CICT), 2020.

Year-2019

Hannah P., S. Dhanalakshmi, R. Kumar, and Asutosh Kar. Variable Tap-Length Non-Parametric Variable Step-Size NLMS Adaptive Filtering Algorithm for Acoustic Echo Cancellation. Applied Acoustics, volume 159, 2019.
Asutosh Kar, Ankita Anand, Jan Østergaard, S.H. Jensen, and M.N.S. Swamy. Mean Square Performance Evaluation in Frequency Domain for An Improved Adaptive Feedback Cancellation in Hearing Aids. Signal Processing, volume 157, 2019.
Asutosh Kar, T. Padhi, Banshidhar Majhi, M.N.S. Swamy. Analysing the Impact of System Dimension on the Performance of a Variable-Tap-Length Adaptive Algorithm. Applied Acoustics, volume 150, 2019.
Asutosh Kar, Ankita Anand, Jan Østergaard, S.H. Jensen, and M.N.S. Swamy. Sound Quality Improvement in Hearing Aids in Presence of Multiple Inputs. Circuits, Systems and Signal Processing, volume 38, 2019.
V. Ravi, Asutosh Kar, A. Anand, B. Majhi, M.N.S. Swamy. Analyzing The Effects of Pseudo-Optimum Tap-Length for An MSF-Based Acoustic Echo Canceller. Applied Acoustics, volume 150, 2019.
Pankaj Goel, Mahesh Chandra, Ankita Anand, Asutosh Kar. An Improved Wavelet-Based Signal-Denoising Architecture with Less Hardware Consumption. Applied Acoustics, volume 156, 2019.
T. Padhi, M. Chandra, Asutosh Kar, MNS Swamy. A New Adaptive Control Strategy for Hybrid Narrowband Active Noise Control Systems in A Multi-Noise Environment. Applied Acoustics, volume 146, 2019.
Asutosh Kar, A. Anand, B. Majhi. An Improved Sigmoid Variable-Step Fx-LMS for Active Noise Control in High-Noise Environment. In proc. 30th IEEE R10 Technical Conference (TENCON), 2019.
V. Ravi, Asutosh Kar, Srikanth Burra, A. Anand, and B. Majhi. Convergence Performance Evaluation of MSF-Based LMS Adaptive Algorithm. 16th IEEE ECTICON, pp. 597-600, 2019.
Asutosh Kar, Shilpi Varshney, Shreya Tyagi, Ankita Anand and Banshidhar Majhi. Adaptive Channel Equalization Using Variable Step-size Least Mean Fourth Algorithm. 16th IEEE Int. conf. on Electronics, Computer, Telecommunications and Information Tech. (ECTICON), pp. 605-608, 2019.

Year-2018

Trideba Padhi, M. Chandra, Asutosh Kar, MNS Swamy. A New Hybrid Active Noise Control System with Convex Combination of Time and Frequency Domain Filtered-X LMS Algorithms. Circuits, Systems, and Signal Processing, volume 37, 2018.
Trideba Padhi, M. Chandra, Asutosh Kar. Performance Evaluation of Hybrid Active Noise Control Systems with Online Secondary Path Modelling. Applied Acoustics, volume133, 2018.
Ankita Anand, Asutosh Kar, and M.N.S. Swamy. An Improved CLMS Algorithm for Feedback Cancellation in Hearing Aids. Applied Acoustics, volume 129, pp.417-426, 2018.

Year-2017

Asutosh Kar, M.N.S. Swamy. Tap-Length Optimization of Adaptive Filter in Stereophonic Acoustic Echo Cancellation. Signal Processing, volume 131, pp. 422-433, 2017.
A. Anand, Asutosh Kar, and M.N.S. Swamy. Design and Analysis of A BLPC Vocoder with Probe Noise for Adaptive Feedback Cancellation. Applied Acoustics, volume 115, pp. 196-208, 2017.
Trideba Padhi, M. Chandra, Asutosh Kar and M.N.S. Swamy. Design and Analysis of Improved Hybrid Active Noise Control System. Applied Acoustics, volume 127, pp. 260-267, 2017.
A. Anand, Asutosh Kar, S. Bakshi and M.N.S. Swamy. Convex Combinations of Adaptive Filters for Feedback Cancellation in Hearing Aids. Ambient Intelligence and Humanized Computing, pp. 1-11, 2017.

Year-2015, 2016

Asutosh Kar, and M.N.S. Swamy. Convergence and Steady State Analysis of a Tap-Length Optimization Algorithm for Linear Adaptive Filters. AEÜ - International Journal of Electronics and Communications, volume 70, no. 9, pp. 1114-1121, 2016.
Asutosh Kar, and Mahesh Chandra. An Improved Variable Structure Adaptive Filter Design and Analysis for Acoustic Echo Cancellation. Radioengineering, volume 24, no. 1, pp. 252-261, 2015.
Asutosh Kar, and Mahesh Chandra. Performance Evaluation of a New Variable Tap-Length Learning Algorithm for Automatic Structure Adaptation in Linear Adaptive Filters. AEÜ - International Journal of Electronics and Communications, volume 69, no. 1, pp. 253-261, 2015.