The approach for extracting rectangle building from aerial urban images has been studied.

对航空城区图像自动提取矩形建筑物方法进行了研究。

youdao

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。

youdao

This paper describes a new vectorization approach based on corners detection and positioning for the vectorization extraction of rectangle building.

本文针对矩形建筑物的轮廓矢量化提取技术，提出了一种新的基于角点识别和定位的矢量化方法。

youdao

When you enter the building you go through a concrete trapezoid, as if it's a pure rectangle which has been pulled apart by the tensions going on inside.

BBC: Imperial War Museum North

As for the Shanghai building itself, a giant circular opening at the top had to be changed to a rectangle in 2005 after the Chinese public objected that it looked like the rising sun of Japan's imperial flag.

ECONOMIST: Japanese companies in China