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The target-background contrast has important application in many fields. Since cloud covers about 50% the ground surface and have important influence to the radiative transfer, it is necessary to taking into account the influence of cloud in the computing process of the target-background contrast. In the paper, the effect of the optical properties of cloud models to the target-background contrast...
This paper analyses the primary problems which have existed in urban evacuation, after researching the status of urban evacuation home and abroad, discusses the key technology of evacuation. This paper designs a frame of urban evacuation based on GIS and Intelligent Traffic Technology, with dynamic optimization theory as its foundation. This frame includes several modules as following: electronic...
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