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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
Composition of Binary Compressed Sensing Matrices
P. Sasmal
,
R.R. Naidu
,
Subrahmanya Sastry Challa
and
Phanindra Varma Jampana
2016 | Institute of Electrical and Electronics Engineers Inc.
Articles
Reliable resource-constrained telecardiology via compressive detection of anomalous ECG signals
B.S. Chandra
,
Subrahmanya Sastry Challa
and
Soumya Jana
2015 | Elsevier Ltd
Conferences
Optimization of low-dose tomography via binary sensing matrices
T. Prasad
,
P.U.P. Kumar
,
Subrahmanya Sastry Challa
and
Phanindra Varma Jampana
2015 | Springer Verlag
Conferences
On the existence of equivalence class of RIP-compliant matrices
P. Sasmal
,
Subrahmanya Sastry Challa
and
Phanindra Varma Jampana
2015 | Institute of Electrical and Electronics Engineers Inc.
Articles
Content based medical image retrieval using dictionary learning
M. Srinivas
,
R.R. Naidu
,
Subrahmanya Sastry Challa
and
C Krishna Mohan
2015 | Elsevier
Conferences
Reliable low-cost telecardiology: High-sensitivity detection of ventricular beats using dictionaries
B.S. Chandra
,
Subrahmanya Sastry Challa
and
Soumya Jana
2014 | Institute of Electrical and Electronics Engineers Inc.
Conferences
Telecardiology: Hurst exponent based anomaly detection in compressively sampled ECG signals
B.S. Chandra
,
Subrahmanya Sastry Challa
and
Soumya Jana
2013
Articles
In-plane rotation and scale invariant clustering using dictionaries
Y.-C. Chen
,
Subrahmanya Sastry Challa
,
...
,
R. Chellappa
(5 authors)
2013
Conferences
Reconstruction from divergent ray projections
Subrahmanya Sastry Challa
and
S. Singh
2012
Conferences
Rotation invariant simultaneous clustering and dictionary learning
Y.-C. Chen
,
Subrahmanya Sastry Challa
,
...
,
R. Chellappa
(5 authors)
2012
Conferences
Characterization of ECG signals using multiscale approach
K. Saiveena
,
P. Gupta
,
...
,
Subrahmanya Sastry Challa
(4 authors)
2012
Articles
Spectral Dynamics and Regularization of Incompletely and Irregularly Measured Data
Subrahmanya Sastry Challa
2011
Conferences
Compressed sensing for reconstruction of reflectance spectra from tristimulus values
M. Ravindranath
and
Subrahmanya Sastry Challa
2010
Conferences
Detection of edges in CT images directly from projection data
Subrahmanya Sastry Challa
,
A.K. Mishra
and
A. Singh
2009
Articles
Application of l1-norm minimization technique to image retrieval
Subrahmanya Sastry Challa
,
S. Jain
and
A. Mishra
2009
Conferences
Regularization of incompletely, irregularly and randomly sampled data
Subrahmanya Sastry Challa
2008
Articles
Network traffic analysis using singular value decomposition and multiscale transforms
Subrahmanya Sastry Challa
,
S. Rawat
,
...
,
V.P. Gulati
(4 authors)
2007
Articles
A modified Gabor function for content based image retrieval
Subrahmanya Sastry Challa
,
M. Ravindranath
,
...
,
B.L. Deekshatulu
(4 authors)
2007
Articles
A fourier-radial descriptor algorithm for invariant feature extraction
Subrahmanya Sastry Challa
,
A.K. Pujari
and
B.L. Deekshatulu
2006
Articles
Wavelet based multilevel backprojection algorithm for parellel and fan beam scanning geometries
Subrahmanya Sastry Challa
and
P.C. Das
2006
Showing 21-40 of 90 results
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