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ESANN
2003
13 years 9 months ago
On Convergence Problems of the EM Algorithm for Finite Gaussian Mixtures
Efficient probability density function estimation is of primary interest in statistics. A popular approach for achieving this is the use of finite Gaussian mixture models. Based on...
Cédric Archambeau, John Aldo Lee, Michel Ve...
IJCV
2006
142views more  IJCV 2006»
13 years 7 months ago
Geometry and Convergence Analysis of Algorithms for Registration of 3D Shapes
The computation of a rigid body transformation which optimally aligns a set of measurement points with a surface and related registration problems are studied from the viewpoint o...
Helmut Pottmann, Qi-Xing Huang, Yong-Liang Yang, S...
CDC
2008
IEEE
149views Control Systems» more  CDC 2008»
13 years 9 months ago
Distributed computation under bit constraints
Abstract-- A network of nodes communicate via noisy channels. Each node has some real-valued initial measurement or message. The goal of each of the nodes is to acquire an estimate...
Ola Ayaso, Devavrat Shah, Munther A. Dahleh
SIBGRAPI
2007
IEEE
14 years 1 months ago
A Restoration and Extrapolation Iterative Method for Band-limited Fluorescence Microscopy Image
Optical microscopic images, especially with a nonconfocal microscope, are fundamentally limited because the optical transfer function (the Fourier transform of the point-spread fu...
Moacir P. Ponti-Junior, Nelson D. A. Mascarenhas, ...
PG
2007
IEEE
14 years 1 months ago
Statistical Hypothesis Testing for Assessing Monte Carlo Estimators: Applications to Image Synthesis
Image synthesis algorithms are commonly compared on the basis of running times and/or perceived quality of the generated images. In the case of Monte Carlo techniques, assessment ...
Kartic Subr, James Arvo