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This paper considers the use of servo-mechanisms as part of a tightly integrated homogeneous wireless multimedia sensor network (WMSN). We describe the design of our second generation WMSN node platform, which has increased image resolution, in-built audio sensors, PIR sensors, and servomechanisms. These devices have a wide disparity in their energy consumption and in the information quality they...
This abstract describes the demonstration of a tightly integrated audio-image wireless multimedia sensor network (WMSN) for object detection and capture. By making use of available multi-modal information, we are able to quickly and efficiently localize objects using relatively cheap audio and camera sensors with more success than would be possible based only on one modality alone. While similar,...
Close-talk headset microphones have been traditionally used for speech acquisition in a number of applications, as they naturally provide a higher signal-to-noise ratio -needed for recognition tasks-than single distant microphones. However, in multi-party conversational settings like meetings, microphone arrays represent an important alternative to close-talking microphones, as they allow for localisation...
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