no code implementations • 10 Jul 2018 • Sampurna Biswas, Hemant K. Aggarwal, Sunrita Poddar, Mathews Jacob
We introduce a model-based reconstruction framework with deep learned (DL) and smoothness regularization on manifolds (STORM) priors to recover free breathing and ungated (FBU) cardiac MRI from highly undersampled measurements.
no code implementations • 24 Feb 2018 • Sunrita Poddar, Yasir Mohsin, Deidra Ansah, Bijoy Thattaliyath, Ravi Ashwath, Mathews Jacob
We introduce a novel bandlimited manifold framework and an algorithm to recover freebreathing and ungated cardiac MR images from highly undersampled measurements.
no code implementations • 3 Jan 2018 • Sunrita Poddar, Mathews Jacob
We introduce a framework for the recovery of points on a smooth surface in high-dimensional space, with application to dynamic imaging.
no code implementations • 3 Jan 2018 • Sunrita Poddar, Mathews Jacob
The analysis of large datasets is often complicated by the presence of missing entries, mainly because most of the current machine learning algorithms are designed to work with full data.
no code implementations • 3 Jan 2018 • Sunrita Poddar, Mathews Jacob
We introduce a continuous domain framework for the recovery of points on a surface in high dimensional space, represented as the zero-level set of a bandlimited function.
no code implementations • 6 Sep 2017 • Sunrita Poddar, Mathews Jacob
Traditional algorithms for clustering data assume that all the feature values are known for every data point.
no code implementations • 5 Dec 2014 • Sampurna Biswas, Sunrita Poddar, Soura Dasgupta, Raghuraman Mudumbai, Mathews Jacob
We consider the recovery of a low rank and jointly sparse matrix from under sampled measurements of its columns.
no code implementations • 5 Dec 2014 • Sampurna Biswas, Sunrita Poddar, Soura Dasgupta, Raghuraman Mudumbai, Mathews Jacob
We introduce a two step algorithm with theoretical guarantees to recover a jointly sparse and low-rank matrix from undersampled measurements of its columns.