22 search results - page 2 / 5 » Exploiting Sparsity in Polyhedral Analysis |
CAIP
2011
Springer
12 years 5 months ago
2011
Springer
Abstract. We address the problem of jointly estimating the scene illumination, the radiometric camera calibration and the reflectance properties of an object using a set of images...
TSP
2008
13 years 5 months ago
2008
This paper presents a new framework for blind source separation (BSS) of non-negative source signals. The proposed framework, referred herein to as convex analysis of mixtures of ...
SIGIR
2005
ACM
13 years 10 months ago
2005
ACM
Link analysis algorithms have been extensively used in Web information retrieval. However, current link analysis algorithms generally work on a flat link graph, ignoring the hiera...
IOR
2011
13 years 7 days ago
2011
This paper introduces and studies the maximum k-plex problem, which arises in social network analysis and has wider applicability in several important areas employing graph-based ...
ICPR
2010
IEEE
13 years 5 months ago
2010
IEEE
Abstract. One of the key challenge in social behavior analysis is to automatically discover the subset of features relevant to a specific social signal (e.g., backchannel feedback...