Abstract
With the growing availability of wearable technology, video recording devices have become so intimately tied to individuals, that they are able to record the movements of users' hands, making hand-based applications one the most explored area in First Person Vision (FPV). In particular, hand pose recognition plays a fundamental role in tasks such as gesture and activity recognition, which in turn represent the base for developing human-machine interfaces or augmented reality applications. In this work we propose a graph-based representation of hands seen from the point of view of the user, obtained through the shape-fitting capability of a modified Instantaneous Topological Map. Spectral analysis of the graph Laplacian allows to arrange eigenvalues in vectors of features, which prove to be discriminative in classifying the considered hand poses.
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