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SIGIR
2010
ACM
15 years 6 months ago
Ontology-enriched multi-document summarization in disaster management
In this poster, we propose a novel document summarization approach named Ontology-enriched M ulti-Document Summarization(OMS) for utilizing background knowledge to improve summari...
Lei Li, Dingding Wang, Chao Shen, Tao Li
ICIP
2006
IEEE
16 years 7 months ago
Variational Unsupervised Segmentation of Multi-Look Complex Polarimetric Images using a Wishart Observation Model
We address unsupervised variational segmentation ofmulti-look complex polarimetric images using a Wishart observation model via level sets. The methods consists of minimizing a fu...
Ismail Ben Ayed, Amar Mitiche, Ziad Belhadj
TCC
2009
Springer
130views Cryptology» more  TCC 2009»
16 years 6 months ago
How Efficient Can Memory Checking Be?
We consider the problem of memory checking, where a user wants to maintain a large database on a remote server but has only limited local storage. The user wants to use the small ...
Cynthia Dwork, Moni Naor, Guy N. Rothblum, Vinod V...
ICIP
2003
IEEE
16 years 7 months ago
An ontology approach to object-based image retrieval
In this paper, an image retrieval methodology suited for search in large collections of heterogeneous images is presented. The proposed approach employs a fully unsupervised segme...
Vasileios Mezaris, Ioannis Kompatsiaris, Michael G...
CGF
2008
139views more  CGF 2008»
15 years 6 months ago
CHC++: Coherent Hierarchical Culling Revisited
We present a new algorithm for efficient occlusion culling using hardware occlusion queries. The algorithm significantly improves on previous techniques by making better use of te...
Oliver Mattausch, Jirí Bittner, Michael Wim...