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PR
2006
141views more  PR 2006»
15 years 6 months ago
Relaxational metric adaptation and its application to semi-supervised clustering and content-based image retrieval
The performance of many supervised and unsupervised learning algorithms is very sensitive to the choice of an appropriate distance metric. Previous work in metric learning and ada...
Hong Chang, Dit-Yan Yeung, William K. Cheung
MM
2005
ACM
97views Multimedia» more  MM 2005»
16 years 3 days ago
Recognition of hands-free speech and hand pointing action for conversational TV
In this paper, we propose a structure and components of a conversational television set(TV) to which we can ask anything on the broadcasted contents and receive the interesting in...
Yasuo Ariki, Tetsuya Takiguchi, Atsushi Sako
DBISP2P
2003
Springer
92views Database» more  DBISP2P 2003»
15 years 11 months ago
Semantic Overlay Clusters within Super-Peer Networks
When joining information provider peers to a peer-to-peer network, an arbitrary distribution is sub-optimal. In fact, clustering peers by their characteristics, enhances search and...
Alexander Löser, Felix Naumann, Wolf Siberski...
CORR
2010
Springer
133views Education» more  CORR 2010»
15 years 5 months ago
Robust Beamforming for Security in MIMO Wiretap Channels with Imperfect CSI
—In this paper, we investigate methods for reducing the likelihood that a message transmitted between two multiantenna nodes is intercepted by an undetected eavesdropper. In part...
Amitav Mukherjee, A. Lee Swindlehurst
ACCESSNETS
2009
Springer
15 years 4 months ago
Capacity of Two-Way Relay Channel
This paper investigates the capacity of a wireless two-way relay channel in which two end nodes exchange information via a relay node. The capacity is defined in the information-th...
Shengli Zhang, Soung Chang Liew, Hui Wang, Xiao-Hu...