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Three-dimensional (3D) audio rendering techniques employing head-related impulse responses (HRIRs) are currently used in many fields such as virtual reality (VR) devices and 3D games. The large data of HRIRs makes a high computation cost for the real-time spatial audio applications. Efficient methods for HRIR modeling are necessary for the real-time 3D audio rendering. In this paper, a low computational...
Head-related transfer functions (HRTFs) are multi-dimensional functions of source position, frequency, and anthropometric parameters. In this paper, a tensor is adopted to represent HRTFs dependent on elevation, azimuth, and frequency. The core tensor dependent on a source distance is extracted to capture most of the variations in the original tensor space. Interpolation between the low dimensional...
A user-centered cloud browser, i.e., Cloud Explorer, is proposed to discover, process and execute emerging cloud services, as Web browsers are used to search and display Web information. Cloud Explorer is the first attempt for end users to explore cloud services to meet with users' behaviors and concerns in the coming cloud society. The browser is devoted to end users and has made great differences...
Since Trojan has been used widely in various applications, modern Trojan requires a stronger anti-tracing performance than before. As an attempt seeking beneficial result, this paper proposes a new Trojan communication model based on Internet Relay Chat (IRC) and Webmail system. IRC chat channel is designed to transfer commands and Webmail system is applied to store data. Because of this design, it...
A novel video motion object automatic segmentation algorithm based on a Bayesian framework is studied in this paper. A fast estimation procedure for the posterior marginals is added to the MAP algorithm.The field is initialized as the temporal segmentation result and the spatial segmentation is provided as an observed field of the image. Firstly, initial segmentation is applied to obtain number of...
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