fc输出的8个值是四个顶点坐标？而不是变换矩阵的8个参数？

[hmf21]

四点对和八个参数之间是可以相互转换的吧

[lhaippp]

because it is not stable to directly compute homography matrix

[hmf21]

hi @lhaippp, is there any materials or papers that explain this conclusion?

[lhaippp]

hi @lhaippp, is there any materials or papers that explain this conclusion?

yes, check it in "Multi-view geometry".