Using fish-eye and non-linear camera model, the author employs Levenberg-Marquardt method to realize precise non-linear calibration for wide-view-scene dense depth image recovery.

• 然后 ；利用非线性迭代算法 ；精确求解摄像机外部参数、内部参数 .；实验表明；使用该方法得到的立体视觉系统参数满足精确恢复大场景稠密深度图的要求