An Efficient Online Algorithm for Hierarchical Phoneme Classification

Published on 2007-02-253586 Views

Joseph Keshet

We present an algorithmic framework for supervised classification learning where the set of labels is organized in a predefined hierarchical structure. This structure is encoded by a rooted tree which

Workshop on Multimodal Interaction 2004 - Martigny

Presentation

An Efficient Online Algorithm for Hierarchical Phoneme Classification00:01

Motivation00:10

Hierarchical Classification01:13

Metric Over Phonetic Tree01:58

Metric Over Phonemes02:22

Hierarchical Classifier02:52

Online Learning04:56

Tree Loss05:44

Online Update06:45

Loss Bound Theorem08:46

Extension: Kernels10:03

Experiments10:57

Results13:23

Tree vs. Multiclass Online Learning15:10

Thanks!16:31