文本隐藏在图片中，图片也可以隐藏在文本中

摄影测量中的内定向，后方交会，前方交会，相对定向，功能基本上满足了摄影测量的需求。-Photogrammetry in orientation, resection, forward intersection, relative orientation, function basically meet the needs of photogrammetry.

数字摄影测量系统,主要功能有内定向、相片纠正、后方交会和前方交会、连续像对相对定向和绝对定向、单独像对相对定向和绝对定向、一步法定向。-Digital photogrammetric system, the main function in orientation, photo correction, resection and intersection in front of a row as the relative orientation and absolute orientation,

最小二乘和爬山法算法的影像匹配,能够找到很多个同名点-photogram match less multiple and crash the mountain