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Privileged information-based conditional regression forest for facial feature detection | IEEE Conference Publication | IEEE Xplore

Privileged information-based conditional regression forest for facial feature detection


Abstract:

In this paper we propose a method that utilises privileged information, that is information that is available only at the training phase, in order to train Regression For...Show More

Abstract:

In this paper we propose a method that utilises privileged information, that is information that is available only at the training phase, in order to train Regression Forests for facial feature detection. Our method chooses the split functions at some randomly chose internal tree nodes according to the information gain calculated from the privileged information, such as head pose or gender. In this way the training patches arrive at leaves that tend to have low variance both in displacements to facial points and in privileged information. At each leaf node, we learn both the probability of the privileged information and regression models conditioned on it. During testing, the marginal probability of privileged information is estimated and the facial feature locations are localised using the appropriate conditional regression models. The proposed model is validated by comparing with very recent methods on two challenging datasets, namely Labelled Faces in the Wild and Labelled Face Parts in the Wild.
Date of Conference: 22-26 April 2013
Date Added to IEEE Xplore: 15 July 2013
ISBN Information:
Conference Location: Shanghai

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