IMAMS
2003
14 years 27 days ago
2003
The spine of an object is an entity that can characterise the object’s topology and describes the object by a lower dimension. It has an intuitive appeal for supporting geometric...
IMAMS
2003
14 years 27 days ago
2003
In this paper we describe a new shape-from-shading method. We show how the parallel transport of surface normals can be used to impose curvature consistency and also to iterativel...
IMAMS
2003
14 years 27 days ago
2003
This paper describes a graph-spectral method for 3D surface integration. The algorithm takes as its input a 2D field of surface normal estimates, delivered, for instance, by a sh...
IMAMS
2003
14 years 27 days ago
2003
Watermarking is to embed a structure called a watermark into the target data such as images. The watermark can be used, for example, in order to secure the copyright and detect tam...
IMAMS
2003
14 years 27 days ago
2003
IMAMS
2003
14 years 27 days ago
2003
We define a parameterization for an n-holed tori based on the hyperbolic polygon. We model the domain using a manifold with 2n+ 2 charts, and linear fractional transformations for...
IMAMS
2003
14 years 27 days ago
2003
Abstract. We apply new methods based on Partial Differential Equations techniques (polysplines) to the visualization of the heart surface.