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SIGGRAPH
1997
ACM
13 years 11 months ago
Fast construction of accurate quaternion splines
In 1992, Barr et al. proposed a method for interpolating orientations with unit quaternion curves by minimizing covariant acceleration. This paper presents a simple improved metho...
Ravi Ramamoorthi, Alan H. Barr
AMC
2011
12 years 11 months ago
An algebraic cubature formula on curvilinear polygons
We implement in Matlab a Gauss-like cubature formula on bivariate domains whose boundary is a piecewise smooth Jordan curve (curvilinear polygons). The key tools are Green’s int...
G. Santin, Alvise Sommariva, Marco Vianello
CAIP
2007
Springer
13 years 11 months ago
Representation of Facial Features by Catmull-Rom Splines
This paper describes a technique for the representation of the 2D frontal view of faces, based on Catmull-Rom splines. It takes advantage of the a priori knowledge about the face s...
Marco Maggini, Stefano Melacci, Lorenzo Sarti
SMI
2006
IEEE
131views Image Analysis» more  SMI 2006»
14 years 1 months ago
Robust 3D Shape Correspondence in the Spectral Domain
We present an algorithm for finding a meaningful vertexto-vertex correspondence between two 3D shapes given as triangle meshes. Our algorithm operates on embeddings of the two sh...
Varun Jain, Hao Zhang 0002
CVPR
2008
IEEE
13 years 9 months ago
Efficient subdivision-based image and volume warping
Warping is fundamental to multiple algorithms in computer vision and medical imaging such as image and volume registration. Warping is performed by determining a continuous deform...
Gady Agam, Ravinder Singh