Tilt of the cylinder was cut off to form oval-shaped cross-section, in the building to see the scenery will also appear a variety of contours.
倾斜的被切断的圆筒形成椭圆形的断面，在建筑中看到的风景也会出现各种各样的轮廓。
2
The global tilt message caused by the atmosphere turbulence can be extracted using the cross-correlation coefficient algorithm and the sum of absolute difference algorithm.