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Wireless visual sensor networks find a wide range of applications such as environment and habitat monitoring, object tracking, surveillance, etc. Unlike sensor networks targeting telemetry applications, which typically use "scalar" sensors, visual sensor networks produce richer, multi-media information and therefore raise additional challenges related to efficient use of energy-, node-,...
Disclosed is a composite wood structure including (a) first and second spaced layers, and (b) a core interposed between the layers. A sheet-like vapor barrier is between the layers and limits migration of moisture through the barrier to less than about 6 grams per square meter of barrier area per hour. The wood structure is thereby made warp-resistant. In another embodiment, the structure has a...
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