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90 Publications
12 Journals
Subrahmanya Sastry Challa
Professor
Department of Mathematics
csastry@math.iith.ac.in (Work)
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Publications - 90
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Publications (90)
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Publications (90)
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Articles
Analysis of general weights in weighted ℓ1−2 minimization through applications
K.Z. Najiya
and
Subrahmanya Sastry Challa
2023 | Elsevier Inc.
Conferences
Kernels for Incoherent Projection and Orthogonal Matching Pursuit
H. Kandiyal
and
Subrahmanya Sastry Challa
2022 | Springer Science and Business Media Deutschland GmbH
Articles
Sparsity-driven deterministic sampling strategy for coded aperture x-ray computed tomography
M. Sonkar
,
P. Sasmal
,
...
,
Subrahmanya Sastry Challa
(4 authors)
2022 | IOP Publishing Ltd
Articles
Interior reconstruction in tomography via prior support constrained compressed sensing
M. Sonkar
,
K.Z. Najiya
and
Subrahmanya Sastry Challa
2022 | De Gruyter Open Ltd
Articles
Local Recovery Bounds for Prior Support Constrained Compressed Sensing
K.Z. Najiya
,
M. Sonkar
and
Subrahmanya Sastry Challa
2022 | Pleiades journals
Articles
Nullspace Property for Optimality of Minimum Frame Angle under Invertible Linear Operators
P. Sasmal
,
P. Theeda
,
Phanindra Varma Jampana
and
Subrahmanya Sastry Challa
2021 | Institute of Electrical and Electronics Engineers Inc.
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PDF
Postprint
Articles
Construction of Binary Matrices as a Union of Orthogonal Blocks via Generalized Euler Squares
P. Sasmal
,
Phanindra Varma Jampana
and
Subrahmanya Sastry Challa
2021 | Institute of Electrical and Electronics Engineers Inc.
Conferences
Improved Performance Guarantees for Orthogonal Matching Pursuit and Application to Dimensionality Reduction
M. Sonkar
,
L. Tiwari
and
Subrahmanya Sastry Challa
2021 | Springer Science and Business Media Deutschland GmbH
Articles
A Novel Low-Complexity Compressed Data Aggregation Method for Energy-Constrained IoT Networks
M. Amarlingam
,
K.V.V. Durga Prasad
,
P Rajalakshmi
,
Subrahmanya Sastry Challa
and
Sumohana S. Channappayya
2020 | Institute of Electrical and Electronics Engineers Inc.
Articles
Construction of highly redundant incoherent unit norm tight frames as a union of orthonormal bases
P. Sasmal
,
Phanindra Varma Jampana
and
Subrahmanya Sastry Challa
2019 | Academic Press Inc.
Articles
Reconstruction of sparse-view tomography via preconditioned Radon sensing matrix
P. Theeda
,
P.U.P. Kumar
,
Subrahmanya Sastry Challa
and
Phanindra Varma Jampana
2019 | Springer Verlag
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PDF
Postprint
Conferences
Incoherent minimal scaled frame
P. Theeda
,
P. Sasmal
,
Phanindra Varma Jampana
and
Subrahmanya Sastry Challa
2019 | Institute of Electrical and Electronics Engineers Inc.
Articles
Robust Heartbeat Detection from Multimodal Data via CNN-Based Generalizable Information Fusion
B.S. Chandra
,
Subrahmanya Sastry Challa
and
Soumya Jana
2019 | IEEE Computer Society
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PDF
Postprint
Articles
Dictionary-based monitoring of premature ventricular contractions: An ultra-low-cost point-of-care service
S.C. Bollepalli
,
Subrahmanya Sastry Challa
,
...
,
Soumya Jana
(4 authors)
2018 | Elsevier B.V.
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PDF
Postprint
Articles
Novel Light Weight Compressed Data Aggregation using sparse measurements for IoT networks
M. Amarlingam
,
P.K. Mishra
,
P Rajalakshmi
,
Subrahmanya Sastry Challa
and
Sumohana S. Channappayya
2018 | Academic Press
Download
PDF
Postprint
Conferences
Atrial fibrillation detection using convolutional neural networks
B.S. Chandra
,
Subrahmanya Sastry Challa
,
Soumya Jana
and
S. Patidar
2017 | IEEE Computer Society
Conferences
Reconstruction of sparse-view tomography via banded matrices
T. Prasad
,
P.U. Praveen Kumar
,
Subrahmanya Sastry Challa
and
Phanindra Varma Jampana
2017 | Springer Verlag
Articles
Deterministic Compressed Sensing Matrices: Construction via Euler Squares and Applications
R.R. Naidu
,
Phanindra Varma Jampana
and
Subrahmanya Sastry Challa
2016 | Institute of Electrical and Electronics Engineers Inc.
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PDF
Postprint
Conferences
Multivariable polynomials for the construction of binary sensing matrices
R.R. Naidu
,
Phanindra Varma Jampana
and
Subrahmanya Sastry Challa
2016 | Springer New York LLC
Conferences
Subject-specific detection of ventricular tachycardia using convolutional neural networks
B.S. Chandra
,
Subrahmanya Sastry Challa
and
Soumya Jana
2016 | IEEE Computer Society
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