Think globally, act locally: on the reshaping of information landscapes
Proceedings of the 12th international conference on Information processing in sensor networks
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Mode-seeking has been widely used as a powerful data analysis technique for clustering and filtering in a metric feature space. We introduce a versatile and efficient modeseeking method for “graph” representation where general embedding of relational data is possible beyond metric spaces. Exploiting the global structure of the graph by random walks, our method intrinsically combines modeseeking with ranking on the graph, and performs robust analysis by seeking high-ranked authoritative data and suppressing low-ranked noise and outliers. This enables modeseeking to be applied to a large class of challenging real-world problems involving graph representation which frequently arises in computer vision. We demonstrate our method on various synthetic experiments and real applications dealing with noisy and complex data such as scene summarization and object-based image matching.