Human action recognition from videos draws tremendous interest in the past many years. In this work, we first find that the trifocal tensor resides in a twelve dimensional subspace of the original space if the first two views are already matched and the fundamental matrix between them is known, which we refer to as subtensor. Then we use the subtensor to perform the task of action recognition under three views. We find that treating the two template views separately or not considering the correspondence relation already known between the first two views omits a lot of useful information. Experiments and datasets are designed to demonstrate the effectiveness and improved performance of the proposed approach. © 2012 Springer-Verlag.
CITATION STYLE
Liu, Q., & Cao, X. (2012). Action recognition using subtensor constraint. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 7574 LNCS, pp. 764–777). https://doi.org/10.1007/978-3-642-33712-3_55
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