Images taken by fisheye lenses camera tend to be seriously distorted.If we want to use information from these distorted images,we should restore the distorted images to normal ones.

• 鱼眼镜头摄像机拍摄的图像具有非常严重的变形,如果我们想利用这些具有严重变形图像的投影信息,那么就需要将这些变形图像校正为人们习惯的透视投影图像。