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ICIP
2003
IEEE
14 years 9 months ago
Detection and extraction of road networks from high resolution satellite images
This article addresses the problem of road extraction from new high resolution satellite images. The proposed algorithm is divided in two sequential modules : a topologically corr...
Renaud Péteri, Julien Celle, Thierry Ranchi...
FQAS
2009
Springer
127views Database» more  FQAS 2009»
14 years 2 months ago
Finding Top-k Approximate Answers to Path Queries
We consider the problem of finding and ranking paths in semistructured data without necessarily knowing its full structure. The query language we adopt comprises conjunctions of r...
Carlos A. Hurtado, Alexandra Poulovassilis, Peter ...
SCALESPACE
2009
Springer
14 years 2 months ago
L0-Norm and Total Variation for Wavelet Inpainting
Abstract. In this paper, we suggest an algorithm to recover an image whose wavelet coefficients are partially lost. We propose a wavelet inpainting model by using L0-norm and the t...
Andy C. Yau, Xue-Cheng Tai, Michael K. Ng
FOCS
2008
IEEE
14 years 2 months ago
Constant-Time Approximation Algorithms via Local Improvements
We present a technique for transforming classical approximation algorithms into constant-time algorithms that approximate the size of the optimal solution. Our technique is applic...
Huy N. Nguyen, Krzysztof Onak
ISMAR
2008
IEEE
14 years 2 months ago
Dynamic gyroscope fusion in Ubiquitous Tracking environments
Ubiquitous Tracking (Ubitrack) setups, consisting of many previously unknown sensors, offer many possibilities to perform sensor fusion in order to increase robustness and accurac...
Daniel Pustka, Gudrun Klinker