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ICASSP
2011
IEEE
12 years 11 months ago
Channel quantization design in multiuser MIMO systems: Asymptotic versus practical conclusions
Feedback of channel state information (CSI) is necessary to achieve high throughput and low outage probability in multiuser multiantenna systems. There are two types of CSI: direc...
Emil Björnson, Konstantinos Ntontin, Bjö...
MOBIDE
2006
ACM
14 years 1 months ago
Boosting location-based services with a moving object database engine
Composition of temporal and spatial properties of real world objects in a unified data framework results into Moving Object Databases (MOD). MODs are able to process, manage and a...
Nikos Pelekis, Yannis Theodoridis
IEAAIE
2010
Springer
13 years 5 months ago
Psychophysical Evaluation for a Qualitative Semantic Image Categorisation and Retrieval Approach
This paper details the behavioral evaluation of a qualitative image categorisation and retrieval approach using semantic features of images. Content based image retrieval and class...
Zia Ul-Qayyum, A. G. Cohn, Alexander Klippel
MTA
2007
183views more  MTA 2007»
13 years 7 months ago
The design of a wireless real-time visual surveillance system
In this paper, we study the important issues in the design of an efficient WIreless real-time visual SurveillancE System (WISES). Two important considerations are to minimize: (1)...
Kam-yiu Lam, Calvin K. H. Chiu
WWW
2004
ACM
14 years 8 months ago
Propagation of trust and distrust
A (directed) network of people connected by ratings or trust scores, and a model for propagating those trust scores, is a fundamental building block in many of today's most s...
Ramanathan V. Guha, Ravi Kumar, Prabhakar Raghavan...