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The data of human motion is complex both spatially and temporally, which makes it a difficult work to extract motion features in an efficient way. In this paper, we propose a novel descriptor for human motion based on Aligned Cluster Analysis (ACA) and then this descriptor is used in retrieval. Firstly, Aligned Cluster Analysis (ACA), a robust method used to segment sequence of motion, is taken to...
This paper proposes a novel hybrid CDMA-IDMA collision arbitration protocol for mobile RFID system. The aims of the proposed protocol are: (1) to prevent collisions among mobile readers; and (2) to avoid collisions for active tags. In the proposed protocol, In reader-to-tag downlink communication, we use CDMA technique to identify reader network; in tag-to-reader uplink communication, we use interleaver...
We modeled the interpersonal influence process by cooperative game. The model implied that reducing interpersonal contact is an important way to improve current evaluating effect. In the same time, the application of university information systems provides the possibility to collect quantitative data without interpersonal contact. Then the architecture of evaluating system was proposed and implemented...
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