A hierarchical framework is proposed to address the issues of modeling different type of words in keyword spotting (KWS). Keyword models are built at various levels according to the availability of training set resources for each individual word. The proposed approach improves the performance of KWS even when no training speech is available for the keywords. It also suggests an easier way to co...

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In response to an estimation of the likelihood of occurrence of the Tonankai and Nankai earthquakes, it is predicted that tsunami damage will occur in the JR Osaka Station area, the third biggest business center in Japan. The purpose of this study is to propose a system that evaluates the effectiveness of tsunami evacuation guidance and tsunami countermeasures, based on computer simulation of b...

For disaster exploration and surveillance application, this paper aims to present a novel application of a multi-robot agent based on WSN and to evaluate a multihop communication caused by the robotics correspondingly, which are used in the uncertain and unknown subterranean tunnel. A Primary-Scout Multi-Robot System (PSMRS) was proposed. A chain topology in a subterranean environment was imple...