publications

2026

1. Indian Patent

   Event-Driven Neuromorphic Radar

   A. Jha ,  D. Balasubramanian ,  A. J. Kamath , and 4 more authors

   2026

   Indian Patent. Filed 2026, in process.

   Bib

   @misc{kulur2024neuromorphic,
     title = {Event-Driven Neuromorphic Radar},
     author = {Jha, A. and Balasubramanian, D. and Kamath, A.~J. and Kundu, B. and Thakur, C.~S. and Seelamantula, C.~S. and Rao, C.~V.~H.},
     year = {2026},
     publisher = {Indian Patent},
     note = {Indian Patent. Filed 2026, in process.},
   }

2. 

   Sparse Recovery Using Tight Frames and Minimax Concave Penalty

   K. K. R. Nareddy ,  A. S. Bhandiwad ,  A. J. Kamath , and 1 more author

   In Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) , 2026

   Bib

   @inproceedings{nareddy2026sparse,
     author = {Nareddy, K.~K.~R. and Bhandiwad, A.~S. and Kamath, A.~J. and Seelamantula, C.~S.},
     title = {Sparse Recovery Using Tight Frames and Minimax Concave Penalty},
     booktitle = {Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP)},
     year = {2026},
   }

3. 

   Event-Driven Neuromorphic Near-Field Radar Imaging

   A. Jha ,  A. J. Kamath ,  C. S. Seelamantula , and 2 more authors

   In Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) , 2026

   Bib

   @inproceedings{jha2026event,
     author = {Jha, A. and Kamath, A.~J. and Seelamantula, C.~S. and Rao, C.~V.~N. and Thakur, C.~S.},
     title = {Event-Driven Neuromorphic Near-Field Radar Imaging},
     booktitle = {Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP)},
     year = {2026},
   }

4. Indian Patent

   A Neuromorphic Unlimted Sampling Method and a Plug-and-Play System Thereof

   S. Kulur ,  S. Anand ,  A. J. Kamath , and 3 more authors

   2026

   Indian Patent 202441018543. Filed 2024, granted 2026.

   Bib

   @misc{kulur2024neuromorphid,
     title = {A Neuromorphic Unlimted Sampling Method and a Plug-and-Play System Thereof},
     author = {Kulur, S. and Anand, S. and Kamath, A.~J. and Yadav, S.~S. and Thakur, C.~S. and Seelamantula, C.~S.},
     year = {2026},
     publisher = {Indian Patent},
     note = {Indian Patent 202441018543. Filed 2024, granted 2026.},
   }

2025

1. 

   DeepFRI: A Deep Plug-and-Play Technique for Finite-Rate-of-Innovation Signal Reconstruction

   A. J. Kamath ,  S. B. Patil ,  and  C. S. Seelamantula

   IEEE Transactions on Signal Processing, 2025

   Bib

   @article{kamath2025deepfri,
     author = {Kamath, A. J. and Patil, S. B. and Seelamantula, C. S.},
     title = {DeepFRI: A Deep Plug-and-Play Technique for Finite-Rate-of-Innovation Signal Reconstruction},
     journal = {IEEE Transactions on Signal Processing},
     year = {2025},
     url = {https://ieeexplore.ieee.org/abstract/document/11080367},
     doi = {10.1109/TSP.2025.3589394},
   }

2. 

   Weakly-Convex Regularizers for Magnetic Resonance Imaging

   A. Prabakar ,  A. S. Bhandiwad ,  A. J. Kamath , and 1 more author

   In International Symposium on Computational Sensing (ISCS) , 2025

   Bib

   @inproceedings{prabakar2025weakly,
     title = {Weakly-Convex Regularizers for Magnetic Resonance Imaging},
     author = {Prabakar, A. and Bhandiwad, A.~S. and Kamath, A.~J. and Seelamantula, C.~S.},
     year = {2025},
     booktitle = {International Symposium on Computational Sensing (ISCS)},
   }

3. 

   Neuromorphic Unlimited Sampling Beyond Bandlimited Signals

   S. Kulur ,  D. Balasubramanian ,  A. J. Kamath , and 1 more author

   In IEEE ICASSP Show-and-tell Demo , 2025

4. 

   On the Design of Weakly-Convex Regularizers for Solving Linear Inverse Problems

   A. J. Kamath ,  A. S. Bhandiwad ,  and  C. S. Seelamantula

   In IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) , 2025

   Bib

   @inproceedings{kamath2025design,
     author = {Kamath, A.~J. and Bhandiwad, A.~S. and Seelamantula, C.~S.},
     title = {On the Design of Weakly-Convex Regularizers for Solving Linear Inverse Problems},
     booktitle = {IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP)},
     year = {2025},
   }

5. 

   Neuromorphic Unlimited Sampling for High-Dynamic-Range Video Acquisition

   A. J. Kamath ,  and  C. S. Seelamantula

   In IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) , 2025

   (invited paper)

   Bib

   @inproceedings{kamath2025neuromorphic,
     author = {Kamath, A.~J. and Seelamantula, C.~S.},
     title = {Neuromorphic Unlimited Sampling for High-Dynamic-Range Video Acquisition},
     booktitle = {IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP)},
     year = {2025},
     note = {(invited paper)},
   }

2024

1. 

   Method of Alternating Proximations for Solving Linear Inverse Problems

   A. J. Kamath ,  K. K. R. Nareddy ,  and  C. S. Seelamantula

   In Proc. IEEE International Conference on Signal Processing and Communications (SPCOM) , 2024

   Bib

   @inproceedings{kamath2024method,
     title = {Method of Alternating Proximations for Solving Linear Inverse Problems},
     author = {Kamath, A.~J. and Nareddy, K.~K.~R. and Seelamantula, C.~S.},
     year = {2024},
     booktitle = {Proc. IEEE International Conference on Signal Processing and Communications (SPCOM)},
   }

2. 

   Tight-Frame-Like Analysis-Sparse Recovery Using Nontight Sensing Matrices

   K. K. R. Nareddy ,  A. J. Kamath ,  and  C. S. Seelamantula

   SIAM Journal on Imaging Sciences, 2024

   Bib PDF

   @article{nareddy2024tight,
     title = {Tight-Frame-Like Analysis-Sparse Recovery Using Nontight Sensing Matrices},
     author = {Nareddy, K.~K.~R. and Kamath, A.~J. and Seelamantula, C.~S.},
     year = {2024},
     journal = {SIAM Journal on Imaging Sciences},
     volume = {17},
     number = {3},
     pages = {1587--1618},
     url = {https://doi.org/10.1137/23M1625846},
   }

3. 

   Modulo Sampling Meets Neuromorphic Encoding –– A Hardware Proof

   S. Kulur ,  S. Anand ,  A. J. Kamath , and 3 more authors

   In IEEE ICASSP Show-and-tell Demo , 2024

4. 

   Image Restoration with Generalized L2 Loss and Convergent Plug-and-play Prior

   K. K. R. Nareddy ,  A. J. Kamath ,  and  C. S. Seelamantula

   In Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) , 2024

   Bib

   @inproceedings{nareddy2024image,
     title = {Image Restoration with Generalized {$L2$} Loss and Convergent Plug-and-play Prior},
     author = {Nareddy, K.~K.~R. and Kamath, A.~J. and Seelamantula, C.~S.},
     year = {2024},
     booktitle = {Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP)},
     doi = {10.1109/ICASSP48485.2024.10446244},
   }

5. 

   Variational Analysis of Adversarial Regularization for Solving Inverse Problems

   A. S. Bhandiwad ,  A. J. Kamath ,  S. Asokan , and 1 more author

   In Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) , 2024

   Bib

   @inproceedings{bhandiwad2024variational,
     title = {Variational Analysis of Adversarial Regularization for Solving Inverse Problems},
     author = {Bhandiwad, A.~S. and Kamath, A.~J. and Asokan, S. and Seelamantula, C.~S.},
     year = {2024},
     booktitle = {Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP)},
     doi = {10.1109/ICASSP48485.2024.10446385},
   }

6. 

   Neuromorphic Sensing Meets Unlimited Sampling

   A. J. Kamath ,  and  C. S. Seelamantula

   In Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) , 2024

   Bib

   @inproceedings{kamath2024neuromorphic,
     title = {Neuromorphic Sensing Meets Unlimited Sampling},
     author = {Kamath, A.~J. and Seelamantula, C.~S.},
     year = {2024},
     booktitle = {Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP)},
     doi = {10.1109/ICASSP48485.2024.10447840}
   }

2023

1. ArXiv Preprint

   Neuromorphic Sampling of Sparse Signals

   A. J. Kamath ,  and  C. S. Seelamantula

   2023

   Bib HTML

   @unpublished{kamath2023sparse,
     title = {Neuromorphic Sampling of Sparse Signals},
     author = {Kamath, A.~J. and Seelamantula, C.~S.},
     year = {2023},
     url = {https://arxiv.org/abs/2310.15750},
     eprint = {2310.15750},
     archiveprefix = {arXiv},
     primaryclass = {eess.SP},
   }

2. ArXiv Preprint

   Neuromorphic Sampling of Signals in Shift-invariant Spaces

   A. J. Kamath ,  and  C. S. Seelamantula

   2023

   Bib HTML

   @unpublished{kamath2023neuromorphic,
     title = {Neuromorphic Sampling of Signals in Shift-invariant Spaces},
     author = {Kamath, A.~J. and Seelamantula, C.~S.},
     year = {2023},
     url = {https://arxiv.org/abs/2306.05103},
     eprint = {2306.05103},
     archiveprefix = {arXiv},
     primaryclass = {eess.SP},
   }

3. 

   Multichannel Time-Encoding of Finite-Rate-of-Innovation Signals

   A. J. Kamath ,  and  C. S. Seelamantula

   In Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) , 2023

   Bib HTML

   @inproceedings{kamath2023multichannel,
     title = {Multichannel Time-Encoding of Finite-Rate-of-Innovation Signals},
     author = {Kamath, A.~J. and Seelamantula, C.~S.},
     year = {2023},
     booktitle = {Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP)},
     doi = {10.1109/ICASSP49357.2023.10096150},
   }

2022

1. 

   Differentiate-and-fire Time-Encoding of Finite-Rate-of-Innovation Signals

   A. J. Kamath ,  and  C. S. Seelamantula

   In Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) , 2022

   Bib HTML PDF

   @inproceedings{kamath2022differentiate,
     title = {Differentiate-and-fire Time-Encoding of Finite-Rate-of-Innovation Signals},
     author = {Kamath, A.~J. and Seelamantula, C.~S.},
     year = {2022},
     booktitle = {Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP)},
     doi = {10.1109/ICASSP43922.2022.9746159},
   }

2021

1. 

   Neuromorphic Sampling

   A. J. Kamath ,  and  C. S. Seelamantula

   In Asilomar Conference on Signals, Systems, and Computers (ACSSCS) , 2021

   Bib PDF

   @inproceedings{kamath2021dftem,
     title = {Neuromorphic Sampling},
     author = {Kamath, A.~J. and Seelamantula, C.~S.},
     year = {2021},
     booktitle = {Asilomar Conference on Signals, Systems, and Computers (ACSSCS)},
   }

2. ArXiv Preprint

   Time Encoding of Finite-Rate-of-Innovation Signals

   A. J. Kamath ,  S. Rudresh ,  and  C. S. Seelamantula

   2021

   Bib HTML

   @unpublished{kamath2021time,
     title = {Time Encoding of Finite-Rate-of-Innovation Signals},
     author = {Kamath, A.~J. and Rudresh, S. and Seelamantula, C.~S.},
     year = {2021},
     url = {https://arxiv.org/abs/2107.03344},
     eprint = {2107.03344},
     archiveprefix = {arXiv},
     primaryclass = {eess.SP},
   }

2020

1. 

   A Time-Based Sampling Framework for Finite-Rate-of-Innovation Signals

   S. Rudresh ,  A. J. Kamath ,  and  C. S. Seelamantula

   In Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) , 2020

   Bib HTML PDF

   @inproceedings{rudresh2020time,
     title = {A Time-Based Sampling Framework for Finite-Rate-of-Innovation Signals},
     author = {Rudresh, S. and Kamath, A.~J. and Seelamantula, C.~S.},
     year = {2020},
     booktitle = {Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP)},
     pages = {5585--5589},
   }

2019

1. 

   FRI Modelling of Fourier Descriptors

   A. J. Kamath ,  S. Rudresh ,  and  C. S. Seelamantula

   In Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) , 2019

   Bib HTML PDF

   @inproceedings{kamath2019curves,
     title = {{FRI} Modelling of {F}ourier Descriptors},
     author = {Kamath, A.~J. and Rudresh, S. and Seelamantula, C.~S.},
     year = {2019},
     booktitle = {Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP)},
     pages = {5092--5096},
     doi = {10.1109/ICASSP.2019.8682685},
   }