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NIPS 2007 Tutorial: Structure Prediction by Ben Taskar

Author:ting @ December 5th, 2007 Leave a Comment

Structure prediction is the case of classification problem where labels could be structures (ex. trees) rather than binary labels.

The traditional way for structure prediction is to break the structure into small pieces and the feed these pieces to a classifier. However, such “breaks” will also break the “structural relation” in the data. The structural prediction do take structure into account thus archives slightly higher accuracy.

In our cert project. If we treat the whole-face expression as a structure rather than individual AUs, that might fit into this framework.

software : SVM^{struct}

related model: conditional random field.