barrel l distortion桶形失真;桶形畸变
barrel and pincushion distortion状和枕状变型
horizontal barrel distortion水平桶形失真
barrel-type distortion[摄] 桶型畸变
barrel & pincushion distortion何谓桶状和枕状形变
vertical barrel distortion垂直桶形畸变;垂直桶形失真
N（名词） distortion of an image produced by an optical system that causes straight lines at image margins to bulge outwards 桶形畸变; 由光学系统造成的图像失真，图像边缘的直线向外膨胀 [photog]