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TIFS
2008
194views more  TIFS 2008»
15 years 6 months ago
Detection of Double-Compression in JPEG Images for Applications in Steganography
This paper presents a method for detection of double JPEG compression and a maximum likelihood estimator of the primary quality factor. These methods are essential for construction...
Tomás Pevný, Jessica J. Fridrich
TMI
2002
88views more  TMI 2002»
15 years 6 months ago
What is the best similarity measure for motion correction in fMRI time series?
It has been shown that the difference of squares cost function used by standard realignment packages (SPM and AIR) can lead to the detection of spurious activations, because the mo...
Luis Freire, Alexis Roche, Jean-Francois Mangin
XSYM
2004
Springer
129views Database» more  XSYM 2004»
15 years 11 months ago
Fractional XSketch Synopses for XML Databases
A key step in the optimization of declarative queries over XML data is estimating the selectivity of path expressions, i.e., the number of elements reached by a specific navigatio...
Natasha Drukh, Neoklis Polyzotis, Minos N. Garofal...
IROS
2007
IEEE
136views Robotics» more  IROS 2007»
16 years 19 days ago
Using case-based reasoning for autonomous vehicle guidance
— Vehicle guidance in complex scenarios such as inner-city traffic requires an in-depth understanding of the current situation. In order to select the appropriate behavior for a...
Stefan Vacek, Tobias Gindele, Johann Marius Zö...
CRV
2005
IEEE
143views Robotics» more  CRV 2005»
15 years 12 months ago
Controlling Camera and Lights for Intelligent Image Acquisition and Merging
Docking craft in space and guiding mining machines are areas that often use remote video cameras equipped with one or more controllable light sources. In these applications, the p...
Olena Borzenko, Yves Lespérance, Michael R....