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CORR
2011
Springer
224views Education» more  CORR 2011»
15 years 29 days ago
A Broadcast Approach To Secret Key Generation Over Slow Fading Channels
Abstract—A secret-key generation scheme based on a layered broadcasting strategy is introduced for slow-fading channels. In the model considered, Alice wants to share a key with ...
Xiaojun Tang, Ruoheng Liu, Predrag Spasojevic, H. ...
ICMCS
2000
IEEE
183views Multimedia» more  ICMCS 2000»
15 years 10 months ago
Broadcast News Parsing using Visual Cues: A Robust Face Detection Approach
: Automatic content-based analysis and indexing of broadcast news recordings or digitized news archives is becoming an important tool in the framework of many multimedia interactiv...
Yannis S. Avrithis, Nicolas Tsapatsoulis, Stefanos...
SIGIR
2012
ACM
13 years 8 months ago
To index or not to index: time-space trade-offs in search engines with positional ranking functions
Positional ranking functions, widely used in web search engines, improve result quality by exploiting the positions of the query terms within documents. However, it is well known ...
Diego Arroyuelo, Senén González, Mau...
ICIP
2007
IEEE
16 years 8 days ago
An Image-Based Rendering (IBR) Approach for Realistic Stereo View Synthesis of TV Broadcast Based on Structure from Motion
In the past years, the 3D display technology has become a booming branch of research with fast technical progress. Hence, the 3D conversion of already existing 2D video material i...
Sebastian Knorr, Thomas Sikora
VTC
2007
IEEE
16 years 6 days ago
Opportunistic Feedback Protocol for Achieving Sum-Capacity of the MIMO Broadcast Channel
—This paper presents an opportunistic feedback (OF) protocol that achieves the asymptotic sum-capacity of the fading broadcast channel (BC) with a limited amount of feedback. The...
Rajiv Agarwal, Chan-Soo Hwang, John M. Cioffi