Challa S. Sastry

According to our database, Challa S. Sastry authored at least 30 papers between 2004 and 2023.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2023

Analysis of general weights in weighted <i>ℓ</i>_1-2 minimization through applications.

K. Z. Najiya, Challa S. Sastry

Digit. Signal Process., March, 2023

2021

Nullspace Property for Optimality of Minimum Frame Angle Under Invertible Linear Operators.

Pradip Sasmal, Theeda Prasad, Phanindra Jampana, Challa S. Sastry

IEEE Signal Process. Lett., 2021

Construction of Binary Matrices as a Union of Orthogonal Blocks via Generalized Euler Squares.

Pradip Sasmal, Phanindra Jampana, Challa S. Sastry

IEEE Signal Process. Lett., 2021

Sufficient Conditions for the Uniqueness of Solution of the Weighted Norm Minimization Problem.

K. Z. Najiya, Munnu Sonkar, Challa S. Sastry

Proceedings of the Seventh International Conference on Mathematics and Computing, 2021

2020

A Novel Low-Complexity Compressed Data Aggregation Method for Energy-Constrained IoT Networks.

M. Amarlingam, K. V. V. Durga Prasad, Pachamuthu Rajalakshmi, Sumohana S. Channappayya, Challa S. Sastry

IEEE Trans. Green Commun. Netw., 2020

Local recovery bounds for prior support constrained Compressed Sensing.

K. Z. Najiya, Munnu Sonkar, Challa S. Sastry

CoRR, 2020

2019

Robust Heartbeat Detection From Multimodal Data via CNN-Based Generalizable Information Fusion.

Bollepalli S. Chandra, Challa S. Sastry, Soumya Jana

IEEE Trans. Biomed. Eng., 2019

Construction of highly redundant incoherent unit norm tight frames as a union of orthonormal bases.

Pradip Sasmal, Phanindra Jampana, Challa S. Sastry

J. Complex., 2019

2018

Novel Light Weight Compressed Data Aggregation using sparse measurements for IoT networks.

M. Amarlingam, Pradeep Kumar Mishra, Pachamuthu Rajalakshmi, Sumohana S. Channappayya, Challa S. Sastry

J. Netw. Comput. Appl., 2018

Dictionary-based monitoring of premature ventricular contractions: An ultra-low-cost point-of-care service.

Bollepalli S. Chandra, Challa S. Sastry, Laxminarayana Anumandla, Soumya Jana

Artif. Intell. Medicine, 2018

2017

Atrial Fibrillation Detection Using Convolutional Neural Networks.

Sandeep Chandra Bollepalli, Challa S. Sastry, Soumya Jana, Shivnarayan Patidar

Proceedings of the Computing in Cardiology, 2017

2016

Deterministic Compressed Sensing Matrices: Construction via Euler Squares and Applications.

R. Ramu Naidu, Phanindra Jampana, Challa S. Sastry

IEEE Trans. Signal Process., 2016

Composition of Binary Compressed Sensing Matrices.

Pradip Sasmal, R. Ramu Naidu, Challa S. Sastry, Phanindra Jampana

IEEE Signal Process. Lett., 2016

Reconstruction of Sparse-View Tomography via Banded Matrices.

Theeda Prasad, P. U. Praveen Kumar, Challa S. Sastry, P. V. Jampana

Proceedings of the Computer Vision, Graphics, and Image Processing, 2016

Subject-Specific Detection of Ventricular Tachycardia Using Convolutional Neural Networks.

Sandeep Chandra Bollepalli, Challa S. Sastry, Soumya Jana

Proceedings of the Computing in Cardiology, CinC 2016, Vancouver, 2016

2015

Content based medical image retrieval using dictionary learning.

M. Srinivas, R. Ramu Naidu, Challa S. Sastry, C. Krishna Mohan

Neurocomputing, 2015

Deterministic construction of sparse binary and ternary matrices from existing binary sensing matrices.

Pradip Sasmal, R. Ramu Naidu, Challa S. Sastry, Phanindra Jampana

CoRR, 2015

Reliable resource-constrained telecardiology via compressive detection of anomalous ECG signals.

Bollepalli S. Chandra, Challa S. Sastry, Soumya Jana

Comput. Biol. Medicine, 2015

Optimization of Low-Dose Tomography via Binary Sensing Matrices.

Theeda Prasad, P. U. Praveen Kumar, Challa S. Sastry, P. V. Jampana

Proceedings of the Combinatorial Image Analysis - 17th International Workshop, 2015

2014

Reliable low-cost telecardiology: High-sensitivity detection of ventricular beats using dictionaries.

Bollepalli S. Chandra, Challa S. Sastry, Soumya Jana

Proceedings of the 16th IEEE International Conference on e-Health Networking, 2014

2013

In-Plane Rotation and Scale Invariant Clustering Using Dictionaries.

Yi-Chen Chen, Challa S. Sastry, Vishal M. Patel, P. Jonathon Phillips, Rama Chellappa

IEEE Trans. Image Process., 2013

Telecardiology: Hurst exponent based anomaly detection in compressively sampled ECG signals.

Bollepalli S. Chandra, Challa S. Sastry, Soumya Jana

Proceedings of the IEEE 15th International Conference on e-Health Networking, 2013

2012

Reconstruction from divergent ray projections.

Challa S. Sastry, Santosh Singh

Proceedings of the Image Processing: Algorithms and Systems X; and Parallel Processing for Imaging Applications II, 2012

Rotation invariant simultaneous clustering and dictionary learning.

Yi-Chen Chen, Challa S. Sastry, Vishal M. Patel, P. Jonathon Phillips, Rama Chellappa

Proceedings of the 2012 IEEE International Conference on Acoustics, 2012

2007

A modified Gabor function for content based image retrieval.

Challa S. Sastry, M. Ravindranath, Arun K. Pujari, Bulusu Lakshmana Deekshatulu

Pattern Recognit. Lett., 2007

Network traffic analysis using singular value decomposition and multiscale transforms.

Challa S. Sastry, Sanjay Rawat, Arun K. Pujari, Ved Prakash Gulati

Inf. Sci., 2007

2006

A Fourier-Radial Descriptor Algorithm for Invariant Feature Extraction.

Challa S. Sastry, Arun K. Pujari, Bulusu Lakshmana Deekshatulu

Int. J. Wavelets Multiresolution Inf. Process., 2006

Wavelet Based Multilevel Backprojection Algorithm for Parallel and Fan Beam Scanning geometries.

Challa S. Sastry, P. C. Das

Int. J. Wavelets Multiresolution Inf. Process., 2006

2004

A wavelet based multiresolution algorithm for rotation invariant feature extraction.

Challa S. Sastry, Arun K. Pujari, Bulusu Lakshmana Deekshatulu, Chakravarthy Bhagvati

Pattern Recognit. Lett., 2004

Network Intrusion Detection Using Wavelet Analysis.

Sanjay Rawat, Challa S. Sastry

Proceedings of the Intelligent Information Technology, 2004