Sciweavers

294 search results - page 5 / 59
» Approximate query processing using wavelets
Sort
View
ICIP
2003
IEEE
14 years 9 months ago
Approximation and compression of piecewise smooth images using a wavelet/wedgelet geometric model
Inherent to photograph-like images are two types of structures: large smooth regions and geometrically smooth edge contours separating those regions. Over the past years, efficien...
Justin K. Romberg, Michael B. Wakin, Richard G. Ba...
SSDBM
2006
IEEE
96views Database» more  SSDBM 2006»
14 years 1 months ago
Efficient Query Processing in Arbitrary Subspaces Using Vector Approximations
Hans-Peter Kriegel, Peer Kröger, Matthias Sch...
VLDB
1998
ACM
73views Database» more  VLDB 1998»
13 years 12 months ago
Improving Adaptable Similarity Query Processing by Using Approximations
Mihael Ankerst, Bernhard Braunmüller, Hans-Pe...
ICIP
2007
IEEE
14 years 9 months ago
Hierarchical Tensor Approximation of Multidimensional Images
Visual data comprises of multi-scale and inhomogeneous signals. In this paper, we exploit these characteristics and develop an adaptive data approximation technique based on a hie...
Qing Wu, Tian Xia, Yizhou Yu
DELOS
2000
13 years 9 months ago
Using the Wavelet Transform to Learn from User Feedback
User feedback has proven very successful to query large multimedia databases. Due to the nature of the data representation and the mismatch between mathematical models and human p...
Ilaria Bartolini, Paolo Ciaccia, Florian Waas