Bayesian Approaches to Gaussian Mixture Modeling
IEEE Transactions on Pattern Analysis and Machine Intelligence
ACM SIGGRAPH 2003 Papers
Flickr tag recommendation based on collective knowledge
Proceedings of the 17th international conference on World Wide Web
Motion-sketch Based Video Retrieval Using a Trellis Levenshtein Distance
ICPR '10 Proceedings of the 2010 20th International Conference on Pattern Recognition
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We present an overview of our work to date on a sketch based retrieval of image and video. We present a fast technique for extracting motion trajectories from videos and a Viterbi matching approach for retrieving video clips using free-hand sketched queries. For sketch based image retrieval, we introduce a depiction invariant image descriptor Gradient-Field-HOG (GF-HOG) that encapsulates local spatial structure in the sketch and facilitates efficient codebook based image retrieval driven by free-hand sketched queries. We further enhance the system with semantic information by incorporating user's search context.