Sciweavers

409 search results - page 6 / 82
» Iterative methods for computing generalized inverses
Sort
View
VISAPP
2010
13 years 5 months ago
Inverse Problems in Imaging and Computer Vision - From Regularization Theory to Bayesian Inference
phies are also mentioned and a common mathematical abstraction for all these inverses problems will be presented. By focusing on a simple linear forward model, first a synthetic an...
Ali Mohammad-Djafari
PC
2010
101views Management» more  PC 2010»
13 years 2 months ago
An efficient parallel implementation of the MSPAI preconditioner
We present an efficient implementation of the Modified SParse Approximate Inverse (MSPAI) preconditioner. MSPAI generalizes the class of preconditioners based on Frobenius norm mi...
Thomas Huckle, A. Kallischko, A. Roy, M. Sedlacek,...
CORR
2010
Springer
136views Education» more  CORR 2010»
13 years 5 months ago
An Inverse Power Method for Nonlinear Eigenproblems with Applications in 1-Spectral Clustering and Sparse PCA
Many problems in machine learning and statistics can be formulated as (generalized) eigenproblems. In terms of the associated optimization problem, computing linear eigenvectors a...
Matthias Hein, Thomas Bühler
ARITH
1999
IEEE
13 years 12 months ago
High-Speed Inverse Square Roots
Inverse square roots are used in several digital signal processing, multimedia, and scientific computing applications. This paper presents a high-speed method for computing invers...
Michael J. Schulte, Kent E. Wires
ICCV
2009
IEEE
14 years 10 months ago
Radiometric Compensation using Stratified Inverses
Through radiometric compensation, a projector-camera system can project a desired image onto a non-flat and nonwhite surface. This can be achieved by computing the inverse light tr...
Tian-Tsong Ng, Ramanpreet S. Pahwa, Jiamin Bai, To...