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ICASSP
2008
IEEE
15 years 4 months ago
Kerdock codes for limited feedback MIMO systems
A codebook based limited feedback strategy is a practical way to obtain partial channel state information at the transmitter in a precoded multiple-input multiple-output (MIMO) wi...
Takao Inoue, Robert W. Heath Jr.
ATAL
2008
Springer
14 years 12 months ago
A cooperation-based approach for evolution of service ontologies
Communication among agents requires a common vocabulary to facilitate successful information exchange. One way to achieve this is to assume the existence of a common ontology amon...
Murat Sensoy, Pinar Yolum
KDD
2001
ACM
187views Data Mining» more  KDD 2001»
15 years 10 months ago
Random projection in dimensionality reduction: applications to image and text data
Random projections have recently emerged as a powerful method for dimensionality reduction. Theoretical results indicate that the method preserves distances quite nicely; however,...
Ella Bingham, Heikki Mannila
ECIR
2011
Springer
14 years 1 months ago
Dynamic Two-Stage Image Retrieval from Large Multimodal Databases
Abstract. Content-based image retrieval (CBIR) with global features is notoriously noisy, especially for image queries with low percentages of relevant images in a collection. More...
Avi Arampatzis, Konstantinos Zagoris, Savvas A. Ch...
RT
1995
Springer
15 years 1 months ago
Rendering Trees from Precomputed Z-Buffer Views
Parallel projection z-buffer images are precomputed for a number of preset viewing directions on the unit sphere. Using the depth information, we can reconstruct a 3-D point from e...
Nelson L. Max, Keiichi Ohsaki