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» On Rigid Matrices and U-Polynomials
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IJCV
2010
169views more  IJCV 2010»
13 years 3 months ago
Rigid Structure from Motion from a Blind Source Separation Perspective
We present an information theoretic approach to define the problem of structure from motion (SfM) as a blind source separation one. Given that for almost all practical joint densi...
Jeff Fortuna, Aleix M. Martínez
FSTTCS
2009
Springer
13 years 11 months ago
Using Elimination Theory to construct Rigid Matrices
The rigidity of a matrix A for target rank r is the minimum number of entries of A that
Kumar Abhinav, Satyanarayana V. Lokam, Vijay M. Pa...
CSR
2007
Springer
13 years 11 months ago
On the Complexity of Matrix Rank and Rigidity
We revisit a well studied linear algebraic problem, computing the rank and determinant of matrices, in order to obtain completeness results for small complexity classes. In partic...
Meena Mahajan, Jayalal M. N. Sarma
SIGGRAPH
1990
ACM
13 years 8 months ago
Fast animation and control of nonrigid structures
We describe a fast method for creating physically based animation of non-rigid objects. Rapid simulation of nonrigid behavior is based on global deformations. Constraints are used...
Andrew P. Witkin, William Welch
ICCV
2001
IEEE
14 years 6 months ago
On Projection Matrices and their Applications in Computer Vision
Projection matrices from projective spaces ? to ? have long been used in multiple-view geometry to model the perspective projection created by the pin-hole camera. In this work we...
Lior Wolf, Amnon Shashua