It has both the accuracy of photogrammetric calibration and the flexibility of self-calibration.
该方法既具有摄影测量学的精确性，同时也具有自定标算法的灵活性。
2
This paper primarily discusses the method of generating high accuracy DEM based on digital photogrammetric system and its accuracy check method.
该文主要论述应用数字摄影测量系统制作高精度DEM及其精度检测的方法。
3
The factors to effect the measuring accuracy of digital photogrammetric systems are analyzed and the methods to improve the measuring accuracy are presented.