778 search results - page 143 / 156 » Vector field contours |
IJCV
2006
13 years 7 months ago
2006
We present a novel framework for motion segmentation that combines the concepts of layer-based methods and feature-based motion estimation. We estimate the initial correspondences...
JMM2
2006
13 years 7 months ago
2006
Spontaneous facial expressions differ from posed expressions in both which muscles are moved, and in the dynamics of the movement. Advances in the field of automatic facial express...
PRL
2006
13 years 7 months ago
2006
Corners and junctions are landmarks characterized by the lack of differentiability in the unit tangent to the image level curve. Detectors based on differential operators are not,...
SMA
2008
ACM
13 years 7 months ago
2008
ACM
In this paper we present a new algorithm which turns an unstructured triangle mesh into a quad-dominant mesh with edges aligned to the principal directions of the underlying geome...
CAGD
2004
13 years 7 months ago
2004
Almost rotation minimizing parametrization of the canal surface is given. The basic building block of our approach is the curve approximation scheme that enables us to construct a...