Sciweavers

1507 search results - page 73 / 302
» Spatial Analysis of BioAmbients
Sort
View
COMGEO
2010
ACM
15 years 1 months ago
Access control systems for spatial data infrastructures and their administration
Today sophisticated concepts, languages and frameworks exist, that allow implementing powerful fine grained access control systems for protecting Web Services and spatial data in ...
Jan Herrmann
TCOM
2008
101views more  TCOM 2008»
14 years 9 months ago
Transmit beamforming for space-frequency coded MIMO-OFDM systems with spatial correlation feedback
Abstract--This paper addresses the problem of joint optimization of transmit beamforming and space-frequency (SF) coding for MIMO-OFDM systems with spatial correlation feedback in ...
Ahmed K. Sadek, Weifeng Su, K. J. Ray Liu
IGARSS
2009
14 years 7 months ago
Active Learning of Hyperspectral Data with Spatially Dependent Label Acquisition Costs
Supervised learners can be used to automatically classify many types of spatially distributed data. For example, land cover classification by hyperspectral image data analysis is ...
Alexander Liu, Goo Jun, Joydeep Ghosh
TWC
2008
245views more  TWC 2008»
14 years 9 months ago
Cross-Layer Optimal Policies for Spatial Diversity Relaying in Mobile Ad Hoc Networks
In order to adapt to time-varying wireless channels, various channel-adaptive schemes have been proposed to exploit inherent spatial diversity in mobile/wireless ad hoc networks w...
Jing Ai, Alhussein A. Abouzeid, Zhenzhen Ye
ICIP
2006
IEEE
15 years 11 months ago
Subjective Image Quality Tradeoffs Between Spatial Resolution and Quantization Noise
The importance of tradeoffs between spatial resolution and quantization noise has been examined in our previous work. Subjective experiments indicate that as the bitrate decreases...
Soo Hyun Bae, Thrasyvoulos N. Pappas, Biing-Hwang ...