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» Estimating Dominance Norms of Multiple Data Streams
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ICC
2007
IEEE
111views Communications» more  ICC 2007»
14 years 1 months ago
Convolutional Multi-Code Multiplexing for OFDM Systems
— The paper proposes a new multiplexing scheme for the OFDM-based systems with significant coding gain and diversity gain, which is called Convolutional Multi-code Multiplexing ...
Wei Jiang, Daoben Li
JEI
2000
133views more  JEI 2000»
13 years 7 months ago
Low complexity block motion estimation using morphological-based feature extraction and XOR operations
Motion estimation is a temporal image compression technique, where an n x n block of pixels in the current frame of a video sequence is represented by a motion vector with respect...
Thinh M. Le, R. Mason, Sethuraman Panchanathan
NIPS
2008
13 years 8 months ago
One sketch for all: Theory and Application of Conditional Random Sampling
Conditional Random Sampling (CRS) was originally proposed for efficiently computing pairwise (l2, l1) distances, in static, large-scale, and sparse data. This study modifies the o...
Ping Li, Kenneth Ward Church, Trevor Hastie
PODS
2010
ACM
232views Database» more  PODS 2010»
14 years 14 days ago
Optimal sampling from distributed streams
A fundamental problem in data management is to draw a sample of a large data set, for approximate query answering, selectivity estimation, and query planning. With large, streamin...
Graham Cormode, S. Muthukrishnan, Ke Yi, Qin Zhang
SIGMOD
2006
ACM
138views Database» more  SIGMOD 2006»
14 years 7 months ago
B-tree indexes for high update rates
ct In some applications, data capture dominates query processing. For example, monitoring moving objects often requires more insertions and updates than queries. Data gathering usi...
Goetz Graefe