IS the parenthetical figure following DH, DA or MDA which, when added to the touchdown zone, runwayend, or threshold elevation, will give the DH, DA or MDA in feet above mean sea level.
Through the linear feature enhancement and Randon transform to locate the runway line, then using model matching to find the exactly position of the runwayend for registration of the airfield.
通过线特征滤波预处理和投影变换检测机场跑道线,进一步用模板匹配识别跑道端点以进行定位。
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Passengers were “literally scattered over the end of the runway,” a police statement said.