no code implementations • 6 Sep 2018 • Brian E. Moore, Saiprasad Ravishankar, Raj Rao Nadakuditi, Jeffrey A. Fessler
Sparsity and low-rank models have been popular for reconstructing images and videos from limited or corrupted measurements.
no code implementations • 18 Dec 2017 • Brian E. Moore, Chen Gao, Raj Rao Nadakuditi
We perform extensive numerical experiments on both static and moving camera video subject to a variety of dense and sparse corruptions.
no code implementations • 24 Oct 2017 • Andrew J. Wagenmaker, Brian E. Moore, Raj Rao Nadakuditi
We propose a model that applies dictionary learning to regularize and reconstruct the normal vectors from the images under the classic Lambertian reflectance model.
no code implementations • 30 Sep 2017 • Andrew J. Wagenmaker, Brian E. Moore, Raj Rao Nadakuditi
This paper introduces a novel approach to robust surface reconstruction from photometric stereo normal vector maps that is particularly well-suited for reconstructing surfaces from noisy gradients.
no code implementations • 30 Sep 2017 • Andrew J. Wagenmaker, Brian E. Moore, Raj Rao Nadakuditi
Photometric stereo is a method for estimating the normal vectors of an object from images of the object under varying lighting conditions.
no code implementations • 27 Sep 2017 • Chen Gao, Brian E. Moore, Raj Rao Nadakuditi
This work presents a novel approach for robust PCA with total variation regularization for foreground-background separation and denoising on noisy, moving camera video.
no code implementations • 13 Nov 2016 • Saiprasad Ravishankar, Brian E. Moore, Raj Rao Nadakuditi, Jeffrey A. Fessler
For example, the patches of the underlying data are modeled as sparse in an adaptive dictionary domain, and the resulting image and dictionary estimation from undersampled measurements is called dictionary-blind compressed sensing, or the dynamic image sequence is modeled as a sum of low-rank and sparse (in some transform domain) components (L+S model) that are estimated from limited measurements.