Similarly 120 degrees will form a side the length of which is the square root of 3 times the arm length.
简而言之，夹角是120度的三角形形成第三边长度是3的平方根乘以手臂的长度。
The initial camera parameters are computed using Root Mean Square and close-form algorithm on a distortion-free camera model.
在未考虑畸变的情况下通过最小二乘法求取相机的初始内外参数；
The initial camera parameters are computed using Root Mean Square and close-form algorithm on a distortion-free camera model.
在未考虑畸变的情况下通过最小二乘法求取相机的初始内外参数；
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