This paper describes the development of a new Primitive Structure based approach for rectangle building, extracted from aerial imagery.

提出了一种新的从航空城区图像中自动提取矩形建筑物的方法。

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Because the aerial imagery is acquired by the way of vertical photography, the banking angle is very small, almost closing to zero, and the inner element is known.

由于航空遥感影像近似竖直摄影的特性，倾斜角非常小，几乎接近于零，而且内方位元素已知。

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"Our only real-time feedback will be aerial surveillance and satellite imagery," Allen said.

“我们唯一的实时反馈会是航空监测和卫星云图，”艾伦说道。

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Edinburgh-based RCAHMS holds one of the largest and collections of aerial imagery in the world.

BBC: RCAHMS merger with Historic Scotland mooted

"The biggest problem in the past with aerial imagery in agriculture is that everything is time-sensitive, and with unmanned aerial vehicles we'd be able to process that data much more quickly, " said Steve Cubbage, president of Prime Meridian, a company that sells precision agriculture data services to growers.

WSJ: Farmers Experiment With Drones

The project uses aerial photographs known as ortho-imagery to produce the maps, and is being delivered as a joint project between the Department of Agriculture and Rural Development and Land and Property Services (previously known as the Ordnance Survey of Northern Ireland).

BBC: Every field in Northern Ireland to be re-mapped