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» On the performance of one-to-many data transformations
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SIGMOD
2010
ACM
186views Database» more  SIGMOD 2010»
14 years 1 months ago
Fast approximate correlation for massive time-series data
We consider the problem of computing all-pair correlations in a warehouse containing a large number (e.g., tens of thousands) of time-series (or, signals). The problem arises in a...
Abdullah Mueen, Suman Nath, Jie Liu
CIKM
2009
Springer
14 years 3 months ago
Event detection from flickr data through wavelet-based spatial analysis
Detecting events from web resources has attracted increasing research interests in recent years. Our focus in this paper is to detect events from photos on Flickr, an Internet ima...
Ling Chen, Abhishek Roy
TIP
2002
114views more  TIP 2002»
13 years 8 months ago
Lossy to lossless object-based coding of 3-D MRI data
Abstract--We propose a fully three-dimensional (3-D) object-based coding system exploiting the diagnostic relevance of the different regions of the volumetric data for rate allocat...
Gloria Menegaz, Jean-Philippe Thiran
MVA
2007
149views Computer Vision» more  MVA 2007»
13 years 10 months ago
Shift-Variant Restoration of Defocused Images Using Shift-Invariant Wavelet Transform
In this paper, we restore a blurred image caused by defocus of a lens using the shift-invariant Wavelet transform realized by the RI-Spline Wavelets. In a defocus blurred image, t...
Hisanaga Fujiwara, Zhong Zhang, Tetsuo Miyake, Aki...
ENTCS
2006
162views more  ENTCS 2006»
13 years 9 months ago
Adaptive Graph Pattern Matching for Model Transformations using Model-sensitive Search Plans
The current paper makes two contributions for the graph pattern matching problem of model transformation tools. First, model-sensitive search plan generation is proposed for patte...
Gergely Varró, Katalin Friedl, Dánie...