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ICIP
2004
IEEE
16 years 6 months ago
Robust optical flow from photometric invariants
Optical flow is widely in use in the field of image processing. In general, optical flow is computed from luminance images. However, optical flow based on luminance information hi...
Joost van de Weijer, Theo Gevers
NIPS
2008
15 years 5 months ago
Convergence and Rate of Convergence of a Manifold-Based Dimension Reduction Algorithm
We study the convergence and the rate of convergence of a local manifold learning algorithm: LTSA [13]. The main technical tool is the perturbation analysis on the linear invarian...
Andrew Smith, Xiaoming Huo, Hongyuan Zha
WISA
2007
Springer
15 years 10 months ago
Geometrically Invariant Image Watermarking in the DWT Domain
Watermark resistance to both geometric attacks and lossy compressions is a fundamental issue in the image watermarking community. In this paper, we propose a DWT (Discrete Wavelet ...
Shijun Xiang, Hyoung-Joong Kim
ICPR
2000
IEEE
15 years 9 months ago
Fractal Transforms and Feature Invariance
In this paper, fractal transforms are employed with the aim of image recognition. It is known that such transforms are highly sensitive to distortions like a small shift of an ima...
Ben A. M. Schouten, Paul M. de Zeeuw
SGP
2007
15 years 6 months ago
Laplace-Beltrami eigenfunctions for deformation invariant shape representation
A deformation invariant representation of surfaces, the GPS embedding, is introduced using the eigenvalues and eigenfunctions of the Laplace-Beltrami differential operator. Notabl...
Raif M. Rustamov