Chandra Sekhar

Chandra Sekhar Seelamantula

Professor

css@iisc.ac.in

Biography

Chandra Sekhar Seelamantula (Senior Member, IEEE) received the Bachelor of Engineering degree with Prof. K. K. Nair Gold Medal and Best Thesis Award from Osmania University in 1999 and the Ph.D. from IISc in 2005 with an IBM India Research Lab Fellowship.

From 2005–2006, he was a consultant at ESQUBE Communication Solutions. From 2006–2009, he was a Postdoctoral Fellow at the Biomedical Imaging Group, EPFL, Switzerland, focusing on tomography, splines, and sparse signal processing.

Since 2009, he has been on the Faculty of Electrical Engineering Department, IISc, where he is now Professor and leads the R&D activities of Spectrum Lab. His research interests include signal processing, machine learning, Generative AI, computational imaging, and AI for Healthcare.
Awards
  • Prof. Priti Shankar Teaching Award, IISc
  • Digital Health Prize, NBEC 2018
  • Grand Challenges Exploration Award, Gates Foundation + BIRAC, 2020
  • Qualcomm Innovation Fellowship, 2019–2025
  • Outstanding Editorial Board Member, IEEE Trans. on Image Processing, 2022
Professional Activities
  • Sparsity driven super-resolution ultrasound imaging Axis Bank Medical Image Computing Workshop, IISc · Workshop
  • Neuromorphic Sampling Asilomar Conference on Signals, Systems, and Computing, 2021 · Conference
  • Generalized weighted lp minimization for accurate interferometric phase estimation DMV-OMG Annual Conference (Clifford Analysis and Phase Retrieval in Imaging) · Conference
  • Healthcare in the age of AI IEEE SPS Winter School on Biomedical Signal and Image Processing · Keynote
  • Deep learning for sparse coding Winter School on Speech and Audio Processing (WiSSAP) 2019 · Winter School
  • Unrolled iterative algorithms for sparse coding International Conference on Signal Processing and Communications (SPCOM), IISc · Special Session
  • There's more to a spectrogram than meets the eye International Conference on Signal Processing and Communications (SPCOM), IISc · Special Session
  • The BIG bang. Twenty Years of Biomedical Imaging and Splines (TYBIS) École polytechnique fédérale de Lausanne · Invited Talk
  • ESOLA: Epoch-synchronous overlap-add for speech applications Winter School in Speech and Audio Processing (WiSSAP), Indian Institute of Technology Guwahati · Winter School
  • Sub-Nyquist sampling Osmania University College of Engineering Centenary Conference, Hyderabad · Tutorial
  • Deep learning meets sparse coding Brain, Computation, and Learning workshop, IISc, funded by Pratiksha Trust · Workshop
  • The Riesz transform -- A new tool for spectro-temporal analysis of speech signals IEEE Israel Section International Conference on the Science of Electrical Engineering (ICSEE), Symposium on Speech and Audio Processing, held in Eilat, Israel · Keynote
  • What can signal processing do for coherent imaging? Johannes Kepler University (Zentrum für Oberflächen und Nanoanalytik), Linz, Austria · Invited Talk
  • Phase retrieval in shift-invariant spaces and application to optical imaging Volkswagen Stiftung MOIMA Symposium on Mathematical Optics, Image Modelling, and Algorithms, at Schloss Herrenhausen, Hannover, Germany · Symposium
  • Exact phase retrieval in principal shift-invariant spaces Department of Electrical Engineering, Indian Institute of Technology Bombay, Mumbai · Invited Talk
  • Sub-Nyquist sampling -- Recent advances and applications Twenty Second National Conference on Communications (NCC), Indian Institute of Technology Guwahati · Tutorial
  • Speech prosody modification Workshop on Text-to-Speech synthesis, Dhirubhai Ambani Institute of Information and Communication Technology, Gandhinagar · Workshop
  • Active shapes, Visualization and Data Analytics Seminar Department of Computer Science, University of Vienna, Austria · Seminar
  • An Introduction to Neuromorphic Computing with Intel Loihi Ashish Rao Mangalore, Doctoral resident at Intel Labs, Munich, Germany
  • Proper Definition of Dirichlet Conditions and Convergence of Fourier Representations Prof. Anubha Gupta, Indraprastha Institute of Information Technology (IIIT) Delhi
  • Advances in imaging and segmentation of thalamic nuclei with applications Prof. Manoj Saranathan, Professor of Radiology at UMass Chan Medical School in Worcester, Massachusetts
  • Digital Acquisition via Modulo Folding: Revisiting the Legacy of Shannon-Nyquist, Prony, Schoenberg, Pisarenko and Radon Dr. Ayush Bhandari, Imperial College, London
  • From compressed sensing to deep learning: tasks, structures, and models Prof. Yonina Eldar, Weizmann Institute of Science, Israel
  • Probing New Frontiers In Computational Photography and Displays Kshitij Marwah, Camera Culture MIT Media Lab
  • There is more to a picture than meets the eye -- Recent advances in image forensics N. Memon, IEEE Distinguished Lecture
  • Regularized auto-associative neural networks for speaker recognition Sri Sivaram Garimella, Johns Hopkins University, Baltimore
  • Compressed sensing and related topics: Theory and applications Angshul Majumdar, Department of Electrical and Computer Engineering, University of British Columbia, Canada
  • Analysis and processing of continuous data streams in industrial applications Lakshminarayan Choudur, Principal Research Scientist from the Hewlett Packard Laboratories, California, USA
  • HIVIPS - Opportunities at Hitachi Labs A. Ito and K. Yanai, Hitachi India Labs, Bangalore
  • Accelerating dynamic imaging by exploiting sparsity and low-rank structure Mathews Jacob, Department of Biomedical Engineering, University of Rochester, U. S. A
  • Auditory motivated features for robust speech recognition Saikat Chatterjee, Royal Institute of Technology (KTH), Sweden
  • Virtual surround Ravi Shenoy, Research engineer at Nokia R&D Labs, Bangalore
  • Web-scale processing Malcolm Slaney, Yahoo! U. S. A.
  • Acoustic inverse problems Rakesh, Department of Mathematics, U. Delaware, U. S. A.
  • Coherent imaging - from tissue to molecule Theo Lasser, Director of Biomedical Optics Laboratory, École polytechnique fédérale de Lausanne, Switzerland
  • Project Assessment Committee (PAC) of Science and Engineering Research Board (SERB) Electrical, Electronics, and Computer Science and Engineering (EECE) · Current
  • Interlocutor for "Voice-to-voice translation" IIT Alumni Centre, Bangalore · June 25, 2023
  • Area Chair, Computational Imaging Track IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) · 2021, 2022, 2023
  • Associate Editor IEEE Transactions on Image Processing · March 2018-2022
  • Senior Area Editor IEEE Signal Processing Letters · May 2017-2021
  • Associate Editor IEEE Signal Processing Letters · 2013-2017
  • Chair IEEE Signal Processing Society Bangalore Chapter · Current
  • Associate Editor Society for Photonics and Industrial Electronics (SPIE) Journal of Electronic Imaging · 2014-2018
  • Tutorials Co-Chair IEEE International Symposium on Biomedical Imaging (ISBI) · 2020
  • General Chair International Conference on Signal Processing and Communications (SPCOM) · 2020 · Bangalore
  • Organizing Committee member IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) · 2025 · Hyderabad
  • Publicity Chair Interspeech · 2018
  • Chair, Graduate Aptitude Test in Engineering (GATE) - Joint Admission Test for Masters (JAM) Indian Institute of Science zone · 2022-2023
  • Vice-Chair, GATE-JAM IISc zone · 2020-2021, 2021-2022
  • Senior Area Editor IEEE Transactions on Image Processing · Current
  • Member, Awards Committee IEEE Computational Imaging Technical Committee · Current
  • Elected Member IEEE Technical Committee on Computational Imaging · Since 2020
  • Senior Member IEEE · Since October 2012
  • UNAM, Mexico Dec 2017 · Host: Prof. Chavez Garcia, Prof. Cardenas-Soto
  • JKU Linz, Austria June–July 2016 · Host: Dr. Bettina Heise, Prof. Kurt Hingerl
  • Chinese University of Hong Kong Aug 2014 · Host: Prof. Thierry Blu
  • University of Vienna, Austria May 2014 · Host: Prof. Torsten Moeller
  • EPFL (Biomedical Optics Lab) June–July 2013 · Host: Prof. Theo Lasser
  • CUHK, Hong Kong May–June 2012 · Host: Prof. Thierry Blu
  • EPFL (Biomedical Imaging Group) May–July 2011 · Host: Prof. Michael Unser