2D射影变换
2D projective transformation
参数射影变换
parametric projective transformation
三维至二维的射影变换
projectivity from 3 D to 2 D
射影变换
projective transformation
Affine transfomation
projection transformation
projective change
射影变换矩阵
projective transformation matrix
射影形的对应元素
corresponding elements of projective forms
边长投影变形
Length projection deformation