Abstract:With the development of social economy, topographic map will be more frequently used in our life. Due to the topographic map data involved in national defense and military security part, the leak things can be easily happened if security topographic map publish directly without processing. Therefore, to obtain balance between map use and security, it needs encryption to security map. This paper analyze the confidentiality requirement for different scales based on actual situation of topographic map...
| 
点击下列相关研究机构和相关文献作者，可以直接查到这些机构和作者被《中国知识资源总库》收录的其它文献，使您全面了解该机构和该作者的研究动态和历史。
