publications

2025

1. ICASSP 2025

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

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

   In IEEE Int. Conf. Acoust., Speech, Signal Process. (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 Int. Conf. Acoust., Speech, Signal Process. (ICASSP)},
     year = {2025},
   }

2. 

   Neuromorphic Unlimited Sampling for High-Dynamic-Range Video Acquisition

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

   In IEEE Int. Conf. Acoust., Speech, Signal Process. (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 Int. Conf. Acoust., Speech, Signal Process. (ICASSP)},
     year = {2025},
     note = {(invited paper)},
   }

2024

1. SPCOM 2024

   Method of Alternating Proximations for Solving Linear Inverse Problems

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

   In Proc. IEEE Int. Conf. Signal Process. Comm. (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 Int. Conf. Signal Process. Comm. (SPCOM)},
   }

2. SIAM JIS

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

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

   SIAM J. Imag. Sci., 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 J. Imag. Sci.},
     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. ICASSP 2024

   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 Int. Conf. Acoust., Speech, Signal Process. (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 Int. Conf. Acoust., Speech, Signal Process. (ICASSP)},
     doi = {10.1109/ICASSP48485.2024.10446244}
   }

5. ICASSP 2024

   Variational Analysis of Adversarial Regularization for Solving Inverse Problems

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

   In Proc. IEEE Int. Conf. Acoust., Speech, Signal Process. (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 Int. Conf. Acoust., Speech, Signal Process. (ICASSP)},
     doi = {10.1109/ICASSP48485.2024.10446385}
   }

6. 

   Neuromorphic Sensing Meets Unlimited Sampling

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

   In Proc. IEEE Int. Conf. Acoust., Speech, Signal Process. (ICASSP) , 2024

   Bib

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

7. 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

   2024

   Indian Patent 202441018543 (in process)

   Bib

   @misc{kulur2024neuromorphic,
     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 = {2024},
     publisher = {Indian Patent},
     note = {Indian Patent 202441018543 (in process)},
   }

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. ICASSP 2023

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

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

   In Proc. IEEE Int. Conf. Acoust., Speech, Signal Process. (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 Int. Conf. Acoust., Speech, Signal Process. (ICASSP)},
     doi = {10.1109/ICASSP49357.2023.10096150},
   }

2022

1. ICASSP 2022

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

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

   In Proc. IEEE Int. Conf. Acoust., Speech, Signal Process. (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 Int. Conf. Acoust., Speech, Signal Process. (ICASSP)},
     doi = {10.1109/ICASSP43922.2022.9746159},
   }

2021

1. Asilomar 2021

   Neuromorphic Sampling

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

   In Asilomar Conf. Signals Syst. Comput. (ACSSCS) , 2021

   Bib PDF

   @inproceedings{kamath2021dftem,
     title = {Neuromorphic Sampling},
     author = {Kamath, A.~J. and Seelamantula, C.~S.},
     year = {2021},
     booktitle = {Asilomar Conf. Signals Syst. Comput. (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. ICASSP 2020

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

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

   In Proc. IEEE Int. Conf. Acoust., Speech, Signal Process. (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 Int. Conf. Acoust., Speech, Signal Process. (ICASSP)},
     pages = {5585--5589},
   }

2019

1. ICASSP 2019

   FRI Modelling of Fourier Descriptors

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

   In Proc. IEEE Int. Conf. Acoust., Speech, Signal Process. (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 Int. Conf. Acoust., Speech, Signal Process. (ICASSP)},
     pages = {5092--5096},
     doi = {10.1109/ICASSP.2019.8682685},
   }