相机内参矩阵:
 [[471.71685159   0.         345.00351901]
 [  0.         480.71013415 200.45912732]
 [  0.           0.           1.        ]]

畸变系数: [ 0.00738704,-0.2671454,  0.00290024, 0.00948466, 0.13261826]

平均重投影误差: 0.03705966909590051



 [[279.11844069   0.         362.89209914]
 [  0.         283.63075521 204.43889921]
 [  0.           0.           1.        ]]

 [ 0.05850563 -0.09138211  0.0001271  -0.00078636  0.02402972]


√： 800*450
[281.59527801, 0.0, 364.60571628,
         0.0, 285.67845685, 204.92614855,
         0.0, 0.0, 1.0]
畸变系数: [ 0.03532389,-0.05576607, 0.00027529, 0.00241747, 0.01024998]

平均重投影误差: 0.06006937910128326