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Fall detection is one of the feasible solutions for solving the problem of aging of population. This paper presents an algorithm to detect falling for the elderly with one wrist-worn device. The algorithm has lower computation complexity to determine the fall event according to the inclination gradient. Experimental results show that it performs better than another similar devices with the average...
Heterogeneous wireless sensor network (HWSN) consists of sensor nodes with different ability, such as computing power and sensing range. Compared with homogeneous wireless sensor network, the design of protocols for such networks has to be more complex due to the energy constraint in order to prolong the lifetime of the network. As energy consumption mostly comes from the radio transmissions, bandwidth...
In this paper, a new center location method based on fuzzy mathematics is presented. Algorithms of this kind could be combined with other segmentation methods such as level set, watershed, to finish the extraction of cell nucleolus. Compared with other center location methods, the new one presented has some advantages: neither noise nor cell size could affect its location result. With this method,...
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