Yearly News Archives: 2014

Saturday, September 27th, 2014

A Sparsity Promoting Bilinear Unmixing Model

Abstract: An algorithm, Bilinear SPICE (BISPICE), for simultaneously estimating the number of endmembers, the endmembers, and proportions for a bilinear […]


Saturday, September 27th, 2014

Bootstrapping for Piece-Wise Convex Endmember Distribution Detection

Abstract: A hyperspectral endmember detection and spectral unmixing algorithm that finds multiple sets of endmember distributions is presented. If endmembers […]


Saturday, September 27th, 2014

Unmixing Using a Combined Microscopic and Macroscopic Mixture Model with Distinct Endmembers

Abstract: Much work in the study of hyperspectral imagery has focused on macroscopic mixtures and unmixing via the linear mixing […]


Saturday, September 27th, 2014

Sparsity Promoted Non-negative Matrix Factorization for Source Separation and Detection

Abstract: The effectiveness of non-negative matrix factorization (NMF) depends on a suitable choice of the number of bases, which is […]


Friday, July 11th, 2014

Invariant Parameter Estimation Across Varying Seabeds in Synthetic Aperture Sonar Imagery

Abstract: Side-look synthetic aperture sonar (SAS) can produce very high quality images of the sea-bed. The imagery generated by SAS […]


Tuesday, May 20th, 2014

Multi-Image Texton Selection for Sonar Image Seabed Co-Segmentation

Abstract: In this paper we describe an unsupervised approach to seabed co-segmentation over the multiple sonar images collected in sonar […]


Friday, May 16th, 2014

Sand Ripple Characterization using an Extended Synthetic Aperture Sonar Model and MCMC Sampling Methods

Abstract: Side-look synthetic aperture sonar (SAS) can produce very high quality images of the sea-floor. The aim of this work is to […]


Tuesday, May 13th, 2014

Hyperspectral Unmixing and Band Weighting For Multiple Endmember Sets

Abstract: Imaging spectrometers measure the response from materials across the electro- magnetic spectrum. Often, in remote sensing applications, the imaging […]


Tuesday, May 6th, 2014

An Integrated Graph Cuts Segmentation and Piece-wise Convex Unmixing Approach for Hyperspectral Imaging

Abstract: Context-based unmixing has been studied by several researchers. Recent techniques, such as piece-wise convex unmixing using fuzzy and possibilistic clustering […]


Tuesday, May 6th, 2014

Extended Functions of Multiple Instances for Target Characterization

Abstract: An extension of the Function of Multiple Instances (FUMI) algorithm for target characterization is presented. FUMI is a generalization […]