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A bed exiting monitoring system with fall detection function for the elderly living alone is proposed in this paper. By separating the process of exiting or getting on the bed into several significant movements, the sensor system composed of infrared and pressure sensors attached to the bed will correspondingly respond to these movements. Using the finite state machine (FSM) method, the bed exiting...
Search with privacy-preserving guarantee has been a critical issue for commercial cloud storage. Data owners outsource a large number of encrypted sensitive data to cloud and allow data users to search and retrieve encrypted data in cloud. Recently, Cao et al. [1] proposed a scheme to enable multi-keyword ranked search over encrypted data. In this paper, we focus on practical factors and incremental...
Reducing distortion between the cover object and the stego object is an important issue for steganography. The tree-based parity check method is very efficient for hiding a message on image data due to its simplicity. Based on this approach, we propose a majority vote strategy that results in least distortion for finding a stego object. The lower embedding efficiency of our method is better than that...
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