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In this study, we propose a novel framework for constructing a content-based human motion retrieval system. Two major components, including indexing and matching, are discussed and their corresponding algorithms are presented. In indexing, we introduce an affine invariant posture feature and propose an index map structure based on the posture distribution(More)
In this correspondence, a new approach to retrieving images from a color image database is proposed. Each image in the database is represented by a two-dimensional pseudo-hidden Markov model (2-D PHMM), which characterizes the chromatic and spatial information about the image. In addition, a flexible pictorial querying method is used, by which users can(More)