西藏地理国情普查像控测量技术探讨

像控测量的进度及质量直接制约了DOM产品、国情要素采集、地表覆盖分类、统计分析等工序产品的精度，是地理国情普查项目的前期工序之一，也是关键技术之一。本文针对西藏测区地域特点，选用了两种测量手段进行测量，通过现场数据采集，事后数据比对分析，验证了两种方法的精度，总结出了适合西藏测区并满足地理国情普查精度的像控测量方法，具有可行性、实用性和现实指导作用。

Investigation of Image Control Measurement Technology for the Tibet Geographical General Survey

Image control measurement process and quality determine the accuracy of DOM , national condition element collection , ground surface coverage classification and statistical analysis .The paper selects two measurement methods to conduct the field data collection of Tibet surveying area characteristics and the comparison is undertaken to verify the precision of these two methods .The result shows the image control measurement method of national geographical survey for Tibet surveying area , which is practical and feasible.