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Body weight support (BWS) is important in rehabilitation robotic systems for patients with locomotion difficulties. We are building an active body weight support (ABWS) system that allows patients to move freely in the three dimensional Cartesian space and provides well-controlled supportive force against gravity. In the BWS unit, both the cable position and tension force on the cable should be controlled...
Nowadays, the micro blog has become one of the main platforms for information dissemination. Because the micro blog has massive users and the information is propagating in real time, the traditional information diffusion models are difficult to characterize the influence of the micro blog as a social network of communication. In this paper, two influence propagation models, namely the basic model...
Polar Fourier Descriptor(PFD) and Spherical Fourier Descriptor(SFD) are rotation invariant feature descriptors for two dimensional(2D) and three dimensional(3D) image retrieval and pattern recognition tasks. They are demonstrated to show superiorities compared with other methods on describing rotation invariant features of 2D and 3D images. However in order to increase the computation speed, fast...
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