242 search results - page 20 / 49 » Approximate substring selectivity estimation |
ADC
2003
Springer
14 years 19 days ago
2003
Springer
Selectivity estimation of queries not only provides useful information to the query processing optimization but also may give users a preview of processing results. In this paper,...
3DIM
2007
IEEE
13 years 11 months ago
2007
IEEE
An algorithm is presented to estimate the position of a hand-held camera with respect to a 3d world model constructed from range data and color imagery. Little prior knowledge is ...
PICS
2003
13 years 8 months ago
2003
To establish a correlation between the system output and the corresponding reflectance, the system characterisation functionDeriving the actual multispectral data from the output o...
VTC
2007
IEEE
14 years 1 months ago
2007
IEEE
—To approximate the exact peaks of continuous-time orthogonal frequency division multiplexing (OFDM) signals, four times oversampling is usually employed for discrete-time OFDM s...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
The amplitude modulations of musical instrument sounds and speech are important perceptual cues. Accurate estimation of the amplitude, or equivalently energy, envelope of a time-d...