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WAOA
2010
Springer
251views Algorithms» more  WAOA 2010»
13 years 5 months ago
How to Play Unique Games on Expanders
In this paper, we improve a result by Arora, Khot, Kolla, Steurer, Tulsiani, and Vishnoi on solving the Unique Games problem on expanders. Given a (1-)-satisfiable instance of Uniq...
Konstantin Makarychev, Yury Makarychev
ICIP
2006
IEEE
14 years 9 months ago
A New Contourlet Transform with Sharp Frequency Localization
The contourlet transform was proposed as a directional multiresolution image representation that can efficiently capture and represent singularities along smooth object boundaries...
Yue M. Lu, Minh N. Do
ETRA
2010
ACM
143views Biometrics» more  ETRA 2010»
14 years 2 months ago
Space-variant spatio-temporal filtering of video for gaze visualization and perceptual learning
We introduce an algorithm for space-variant filtering of video based on a spatio-temporal Laplacian pyramid and use this algorithm to render videos in order to visualize prerecor...
Michael Dorr, Halszka Jarodzka, Erhardt Barth
ISVC
2009
Springer
14 years 2 months ago
Image Compression Based on Visual Saliency at Individual Scales
5th International Symposium on Visual Computing, Las Vegas, Nevada, USA, Nov 30 - Dec 2, 2009 The goal of lossy image compression ought to be reducing entropy while preserving the...
Stella X. Yu, Dimitri A. Lisin
TIP
2008
138views more  TIP 2008»
13 years 7 months ago
Rotation-Invariant Texture Retrieval via Signature Alignment Based on Steerable Sub-Gaussian Modeling
This paper addresses the construction of a novel efficient rotation-invariant texture retrieval method that is based on the alignment in angle of signatures obtained via a steerabl...
George Tzagkarakis, Baltasar Beferull-Lozano, Pana...