190 search results - page 5 / 38 » Unsupervised estimation for noisy-channel models |
CVPR
2008
IEEE
14 years 8 months ago
2008
IEEE
We propose an unsupervised method for evaluating image segmentation. Common methods are typically based on evaluating smoothness within segments and contrast between them, and the...
ISBI
2004
IEEE
14 years 7 months ago
2004
IEEE
A general framework for performing robust, unsupervised tissue classification in magnetic resonance images is presented. Tissue classification is formulated as an estimation probl...
ICPR
2004
IEEE
14 years 7 months ago
2004
IEEE
A Markov random field (MRF) model with a new implementation scheme is proposed for unsupervised image segmentation based on image features. The traditional two-component MRF model...
ICASSP
2009
IEEE
14 years 1 months ago
2009
IEEE
We measure the effects of a weak language model, estimated from as little as 100k words of text, on unsupervised acoustic model training and then explore the best method of using ...
TASLP
2010
13 years 4 months ago
2010
— Extracting the main melody from a polyphonic music recording seems natural even to untrained human listeners. To a certain extent it is related to the concept of source separat...