Human activity recognition using conditional random fields and privileged information
Abstract
This thesis solves the problem of human activity recognition from video sequences and static images, which is a part of computer vision field. To model human activities, conditional random fields were applied using data from heterogeneous sources. Moreover, a novel classification scheme that is based on the learning using privileged information was also proposed, where privileged information is given as an additional input to the classification model and it is available only during training but never during testing. Experimental results demonstrated that privileged information helps to build a stronger classifier than one would learn without it, while it significantly increases the recognition accuracy of the model.
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