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SIGMOD
2001
ACM
104views Database» more  SIGMOD 2001»
16 years 7 months ago
Independence is Good: Dependency-Based Histogram Synopses for High-Dimensional Data
Approximating the joint data distribution of a multi-dimensional data set through a compact and accurate histogram synopsis is a fundamental problem arising in numerous practical ...
Amol Deshpande, Minos N. Garofalakis, Rajeev Rasto...
CVPR
2010
IEEE
16 years 3 months ago
Curious Snakes: a minimum-latency solution to the cluttered background problem in active contours
We present a region-based active contour detection algorithm for objects that exhibit relatively homogeneous photometric characteristics (e.g. smooth color or gray levels), embe...
Ganesh Sundaramoorthi, Stefano Soatto, Anthony Yez...
INFOCOM
2008
IEEE
16 years 1 months ago
On the Levy-Walk Nature of Human Mobility
—We report that human walks performed in outdoor settings of tens of kilometers resemble a truncated form of Levy walks commonly observed in animals such as monkeys, birds and ja...
Injong Rhee, Minsu Shin, Seongik Hong, Kyunghan Le...
IWDW
2007
Springer
16 years 28 days ago
Steganalysis Versus Splicing Detection
Aiming at detecting secret information hidden in a given image using steganographic tools, steganalysis has been of interest since the end of 1990’s. In particular, universal ste...
Yun Q. Shi, Chunhua Chen, Guorong Xuan, Wei Su
CICLING
2006
Springer
15 years 10 months ago
Unsupervised Learning of Verb Argument Structures
We present a statistical generative model for unsupervised learning of verb argument structures. The model was used to automatically induce the argument structures for the 1,500 mo...
Thiago Alexandre Salgueiro Pardo, Daniel Marcu, Ma...