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MM
2004
ACM
219views Multimedia» more  MM 2004»
14 years 26 days ago
Multi-level annotation of natural scenes using dominant image components and semantic concepts
Automatic image annotation is a promising solution to enable semantic image retrieval via keywords. In this paper, we propose a multi-level approach to annotate the semantics of n...
Jianping Fan, Yuli Gao, Hangzai Luo
TMC
2010
161views more  TMC 2010»
13 years 5 months ago
High-Rate Uncorrelated Bit Extraction for Shared Secret Key Generation from Channel Measurements
—Secret keys can be generated and shared between two wireless nodes by measuring and encoding radio channel characteristics without ever revealing the secret key to an eavesdropp...
Neal Patwari, Jessica Croft, Suman Jana, Sneha Kum...
HCI
2009
13 years 5 months ago
A Similarity Measure for Vision-Based Sign Recognition
When we encounter an English word that we do not understand, we can look it up in a dictionary. However, when an American Sign Language (ASL) user encounters an unknown sign, looki...
Haijing Wang, Alexandra Stefan, Vassilis Athitsos
SAC
2008
ACM
13 years 7 months ago
Adaptive importance sampling in general mixture classes
In this paper, we propose an adaptive algorithm that iteratively updates both the weights and component parameters of a mixture importance sampling density so as to optimise the p...
Olivier Cappé, Randal Douc, Arnaud Guillin,...
ICC
2008
IEEE
118views Communications» more  ICC 2008»
14 years 1 months ago
A Principal Components Analysis-Based Robust DDoS Defense System
—One of the major threats to cyber security is the Distributed Denial-of-Service (DDoS) attack. In our previous projects, PacketScore, ALPi, and other statistical filtering-based...
Huizhong Sun, Yan Zhaung, H. Jonathan Chao