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Web video databases tend to contain immense copies with the explosive growth of online videos. How to detect video copies has become an essential problem for web video storage and indexing. This paper presents an efficient Hash scheme for video copy detection. By building trajectories of Harris points from frame to frame, behavior of interest points can be expressed. Spatio-temporal persistent points...
A method for simultaneous localization and mapping based on scan matching is presented according to memory database of the features. The steady geometric features are extracted as the natural landmarks according to advanced least square fitting, and the memory database of the features is created and updated for scan matching better. Therefore, it is also adapted to dynamic environment. Meanwhile,...
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