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CAIP
1997
Springer
155views Image Analysis» more  CAIP 1997»
15 years 8 months ago
Discrete-Time Rigidity-Constrained Optical Flow
An algorithm for optical ow estimation is presented for the case of discrete-time motion of an uncalibrated camera through a rigid world. Unlike traditional optical ow approaches t...
Jeffrey Mendelsohn, Eero P. Simoncelli, Ruzena Baj...
ICIAP
2007
ACM
15 years 8 months ago
Parsing Silhouettes without Boundary Curvature
We describe a new decomposition algorithm for twodimensional, polygonal shapes. The algorithm first finds a set of overlapping ribbon-like subshapes ("ribbons") by group...
Ralf Juengling, Lakshman Prasad
SMI
2010
IEEE
228views Image Analysis» more  SMI 2010»
15 years 2 months ago
Hierarchical Spline Approximation of the Signed Distance Function
We present a method to compute the medial axis of a smooth curve or surface by using PHT-spline (polynomial splines over hierarchical T-meshes) hierarchical approximation. In part...
Xinghua Song, Bert Jüttler, Adrien Poteaux
129
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ICIP
2006
IEEE
16 years 6 months ago
Keyframe Animation from Video
This paper proposes a method for analyzing and synthesizing video sequences, specifically suited for image sequences of natural phenomena. We combine a low-dimensional representat...
Timo Stich, Marcus A. Magnor
MMSEC
2004
ACM
205views Multimedia» more  MMSEC 2004»
15 years 10 months ago
Wavelet-based blind watermarking of 3D models
Watermarking of 3D meshes has received a limited attention due to the difficulties encountered in extending the algorithms developed for 1D (audio) and 2D (images and video) signa...
F. Uccheddu, Massimiliano Corsini, Mauro Barni