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Focusing on improving security in public transports (here: trains), this paper presents a research project implementing an audio-video surveillance system. Combining audio analysis, video tracking and dedicated integration of audio-video acquisition and storage equipments, the proposed system addresses the task of providing an operator with a partially-supervised tool for tracking suspected persons...
The new generation of multimodal surveillance systems concurs to provide an automatic analysis of controlled environments, and a real-time interpretation of the scene and the need of situation awareness became more and more essential for systems dealing with surveillance of critical infrastructures to prevent potentially catastrophic incidents. When considering two heterogeneous information processes,...
The Apple iPhone is a powerful mobile platform. One company has introduced software that turns the iPhone into a digital signal processing toolbox for audio. However, like all real-time applications, this software suffers from several problems of reduced accuracy due to limitations of sampling and time-bandwidth product problems. We develop acoustic test data and programs to study and analyze these...
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