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ASC
2006
15 years 7 months ago
Simulation-based optimisation using local search and neural network metamodels
This paper presents a new algorithm for enhancing the efficiency of simulation-based optimisation using local search and neural network metamodels. The local search strategy is ba...
Anna Persson, Henrik Grimm, Amos Ng
NIPS
2004
15 years 7 months ago
Sampling Methods for Unsupervised Learning
We present an algorithm to overcome the local maxima problem in estimating the parameters of mixture models. It combines existing approaches from both EM and a robust fitting algo...
Robert Fergus, Andrew Zisserman, Pietro Perona
CVPR
2010
IEEE
16 years 2 months ago
Simultaneous Foreground, Background, and Alpha Estimation for Image Matting
Image matting is the process of extracting a soft segmentation of an object in an image as defined by the matting equation. Most current techniques focus largely on computing the ...
Bryan Price, Bryan Morse, Scott Cohen
PR
2002
129views more  PR 2002»
15 years 6 months ago
Text extraction in complex color documents
Text extraction in mixed-type documents is a pre-processing and necessary stage for many document applications. In mixed-type color documents, text, drawings and graphics appear w...
Charalambos Strouthopoulos, Nikos Papamarkos, Anto...
MIAR
2010
IEEE
15 years 4 months ago
DTI Connectivity by Segmentation
Abstract. This paper proposes a new method to compute connectivity information from diffusion weighted images. It is inspired by graphbased approaches to connectivity definition,...
Marc Niethammer, Alexis Boucharin, Christopher Zac...