1) DLG
数字矢量地图
2) vector digital map
矢量数字地图
1.
Digital watermarking technique is becoming one of the hot research fields of copyright protecting, pirate detection for the vector digital map under the network environment.
数字水印技术正成为网络环境下矢量数字地图的版权保护和侵权检测研究的热点。
3) format of vector digital map
矢量式数字图
4) vector map data
矢量地图数据
1.
Based on the characteristics of vector map data,in this paper,an anti-compression watermarking algorithm for vector map data was proposed.
基于矢量地图数据特点,提出了一种抗数据压缩的矢量地图数据数字水印算法,即在嵌入水印信息之前对数据进行道格拉斯-普克法压缩,然后在特征点中嵌入水印信息。
2.
Concerning the characteristics of vector map data,the paper presents an encryption algorithm based on chaotic sequence.
加密技术是保障数据安全的最主要的手段,结合矢量地图数据的特点,设计了一种基于混沌序列的数据加密算法。
3.
Aimed at some kinds of restriction which make the storage and transportation of vector map data in the fact of the data and the bandwidth, the lossless compression algorithm of vector map data are studied in this dissertation.
本文主要针对当前数据量和网络带宽两方面对矢量地图数据的存储和传输带来的种种限制,研究了矢量地图数据的无损压缩算法。
5) vector map
矢量地图
1.
Research on automatically constructing DEM based on city vector map;
基于二维矢量地图自动构建DEM方法研究
2.
Model and algorithm for sensor placement based on vector map data in distributed sensor networks;
传感器网中基于矢量地图数据的传感器放置模型与算法
3.
Study on progressive transmission of vector map data;
矢量地图数据渐进式传输的研究
6) military vector chart format
军用矢量数字海图格式
补充资料：地图数字化
地图数字化 map digitizing
将地图图形或图像的模拟量转换成离散的数字量的过程。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条