Figure 3From: Unsupervised Action Classification Using Space-Time Link AnalysisThe figures show the matching results between two sequences from (a) the same category and (b) different categories. Solid lines indicate matching pairs with low costs while dotted lines indicate costly matching pairs. Since the shape context features are incorporated, for two features to match well, they need to have not only similar feature values but also similar relative locations with respect to other features.Back to article page