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GI
2009
Springer
13 years 6 months ago
Topic bias in the social media - The representation of political topics in Obama's 'Open for Questions'-campaign in comparison t
: There is a large body of research on the topic of political communication in traditional media and in online media. Since President Obama has made use of new forms of participati...
Anna Riedel, Send Hendrik
CVPR
2011
IEEE
13 years 5 months ago
Sparse Image Representation with Epitomes
Sparse coding, which is the decomposition of a vector using only a few basis elements, is widely used in machine learning and image processing. The basis set, also called dictiona...
Louise Benoit, Julien Mairal, Francis Bach, Jean P...
CVPR
2012
IEEE
11 years 11 months ago
Discovering discriminative action parts from mid-level video representations
We describe a mid-level approach for action recognition. From an input video, we extract salient spatio-temporal structures by forming clusters of trajectories that serve as candi...
Michalis Raptis, Iasonas Kokkinos, Stefano Soatto
ICIP
2000
IEEE
14 years 10 months ago
Scene Reconstruction from Multiple Cameras
This paper reviews a number of recently developed stereo matching algorithms and representations. It focuses on techniques that are especially well suited for stereoscopic and 3-D...
Richard Szeliski
CDC
2009
IEEE
168views Control Systems» more  CDC 2009»
14 years 1 months ago
Balanced state-space representations: a polynomial algebraic approach
Abstract— We show how to compute a minimal Riccatibalanced state map and a minimal Riccati-balanced state space representation starting from an image representation of a strictly...
Paolo Rapisarda, Harry L. Trentelman