Patent ID: 7987263
Filing Date: 2011-07-26
Classification: G08B,H04L

Abstract:
1. A bandwidth control server which is connected to a plurality of cameras via a network and which controls the sending of image data obtained by the plurality of cameras according to a bandwidth of the network, the bandwidth control server comprising: a disaster detection section to acquire disaster occurrence information regarding a disaster which has occurred and advance disaster information regarding a disaster which has not occurred yet and a sign of which has been detected or regarding a disaster the occurrence of which is forecast, and detect a disaster type and a disaster area included in the disaster occurrence information and advance disaster information; a priority determination section to extract setting information corresponding to the specified disaster type from setting information regarding the plurality of cameras which is stored in a setting information storage section and which includes points at which the plurality of cameras are installed, a bandwidth required to send the image data, and image data priority corresponding to the disaster type, and determine priority among cameras installed in the disaster area on the basis of the image data priority defined in the extracted setting information corresponding to the disaster type; a network monitoring section to monitor a state of the network and acquire bandwidth information including a bandwidth which can be used for transferring the image data; and a bandwidth control section to ensure bandwidths required to send image data obtained by the cameras from among the usable bandwidth of the network which is set in the bandwidth information in descending order of the priority on the basis of the priority among the cameras, and give the cameras for which the bandwidths are ensured instructions to send the image data, wherein the stored setting information defines a separate set of priorities of the cameras for each different disaster type.