barrel distortion
柯林斯词典
1. N distortion of an image produced by an optical system that causes straight lines at image margins to bulge outwards 桶形畸變; 由光學系統造成的圖像失真，圖像邊緣的直線曏外膨脹[photog]
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1. N distortion of an image produced by an optical system that causes straight lines at image margins to bulge outwards 桶形畸變; 由光學系統造成的圖像失真，圖像邊緣的直線曏外膨脹[photog]