387 search results - page 37 / 78 » Robust locally linear embedding |
100
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ECCV
2004
Springer
15 years 11 months ago
2004
Springer
Models of spatial variation in images are central to a large number of low-level computer vision problems including segmentation, registration, and 3D structure detection. Often, i...
108
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IPSN
2005
Springer
15 years 3 months ago
2005
Springer
— We consider a network of distributed sensors, where each sensor takes a linear measurement of some unknown parameters, corrupted by independent Gaussian noises. We propose a si...
TIP
2002
14 years 9 months ago
2002
Abstract-- We present a perceptual model for hiding a spreadspectrum watermark of variable amplitude and density in an image. The model takes into account the sensitivity and maski...
ICIP
2009
IEEE
14 years 7 months ago
2009
IEEE
In this paper we describe a robust watermarking scheme for image tampering identification and localization. A compact representation of the image is first produced by assembling a...
KDD
2002
ACM
15 years 10 months ago
2002
ACM
Covariance and correlation estimates have important applications in data mining. In the presence of outliers, classical estimates of covariance and correlation matrices are not re...