Loading...
Loading...

Go to the content (press return)

Online EM with weight-based forgetting

Author
Celaya, E.; Agostini, A.
Type of activity
Journal article
Journal
Neural computation
Date of publication
2015
Volume
27
Number
5
First page
1142
Last page
1157
DOI
https://doi.org/10.1162/NECO_a_00723 Open in new window
Repository
http://hdl.handle.net/2117/81127 Open in new window
Abstract
In the on-line version of the EM algorithm introduced by Sato and Ishii (2000), a time-dependent discount factor is introduced for forgetting the effect of the old posterior values obtained with an earlier, inaccurate estimator. In their approach, forgetting is uniformly applied to the estimators of each mixture component depending exclusively on time, irrespective of the weight attributed to each unit for the observed sample. This causes an excessive forgetting in the less frequently sampled re...
Citation
Celaya, E., Agostini, A. Online EM with weight-based forgetting. "Neural computation", 2015, vol. 27, núm. 5, p. 1142-1157.
Keywords
learning (artificial intelligence), stochastic programming
Group of research
KRD - Kinematics and Robot Design

Participants

Attachments