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Undirected Graphical Models for Text & Image
Published on Feb 25, 20076815 Views
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Chapter list
Undirected Graphical Models for Test and Images00:00
Overview01:20
The Vector Space Model02:22
The Corpora Matrix04:01
Feature Vector Representation04:53
Motivation for modeling latent<br>t opical aspects06:27
Latent Semantic Indexing08:14
Singular Value Decomposition08:23
Latent Semantic Structure13:01
Two layer Bayesian network13:33
Probabilistic LSI14:54
Comparison of model semantics15:55
Properties of Directed Networks (1)18:11
Properties of Directed Networks (2)19:44
Two-layer Markov Random Fields21:34
The Undirected Alternative24:06
Properties of Harmoniums24:36
A Constructive Definition (1)27:54
A Constructive Definition (2)29:18
The Computational Trade-off35:01
A Harmonium for IR36:26
A Binomial Word-count Model39:43
Comparison of model semantics41:29
Comparison of text-models44:12
Comparison of topic <br>representation46:26
Multi-Source Data47:09
GM-mixture47:37
The Harmonium Counterpart48:25
Inter-Source Associations48:55
Multi-wing Harmoniums49:05
Examples of Latent Topics50:55
Classification52:55
Retrieval55:11
Precision-recall55:36
Annotation55:48
Conclusions57:02
Conclusions, con'd57:41