It is well recognized that the IAC (Image of the Absolute Conic) based camera calibration techniques are not quite robust, however, there are few reports on its underlying reasons in the literature.是什么意思_It is well recognized that the IAC (Image of the Absolute Conic) based camera calibration techniques are not quite robust, however, there are few reports on its underlying reasons in the literature.在线翻译_英语_读音_用法_例句