栅格数据 meaning in English
raster data
Examples
- The paper studies and analyzes the key methods of high special - differentiating remote sensing image segmentation and recognition . the software model and system model designed in this paper have used the integration technology of remote sensing techniques and geographical information system . it carried out the possibility of processing the grid data and vector data in one single system , which shows certain innovation in the field of geographical understanding and analysis to the remote sensing images
本文在多种高空间分辨率遥感影像分割识别的关键技术方面进行了充分的分析与探讨，设计的软件原型和系统模型运用了遥感技术和gis集成技术，从技术上有效的实现了对栅格数据和矢量数据的统一处理，在遥感影像的地学理解与分析方面，具有一定的创新。 - The algorithm takes advantage of the merits of the watermarks both in low frequency and high frequency and can embed more information with less distortion . experimental results show the algorithm is robust to many common image operations . as for the vector map data , an uniform model of embeding watermark for vector maps and raster maps is proposed after current trend of research and watermarking methods of 3 - d vector images are summarized , primary study results show the model is effective and promising to further research
目前该问题在国内外都还处于探索阶段，作者在分析了国内外三维矢量水印的研究状况、研究方法后，提出了将矢量数据中的部分信息转化为栅格形式后再嵌入水印的方法，该方法使地图栅格数据和矢量数据在嵌入水印时能够使用统一模型，初步的实验结果表明该方法为二维地图矢量数据的水印嵌入开辟了一种新途径。 - Furthermore , it designs and develops a corresponding software system model , including the system interface , the system architecture and the system functional modules , then analyzes the integration technology of remote sensing image processing system and geographical information system , the system modeling technique , the component development technique and dynamic link library technique . it establishes a new data model , which can process the grid data and vector data synchronously and effectively
然后在此基础上设计并开发了相应的软件系统原型，包括系统界面、系统框架、系统功能模块等；分析了遥感影像处理系统与地理信息系统的集成技术，系统建模技术，组件式开发技术和dll动态链接库技术；建立了一种新型数据模型，可以同时有效的处理矢量数据和栅格数据。 - This paper supplies systematic research on data organization method which is suitable for hngis , at the same time studies deeply on the optimization of transit route with many goals in highway network . ( 1 ) based on the systematic analysis on the spatial data model and the spatial data structure , through study on two kinds of commonly used gis data models : raster data model , vector data model and the characteristics of highway network , the paper plans the logistic data model of hngis , and proposed the spatial data storing structure based on vector method
本文系统的研究了适合于公路网gis的数据组织方法，同时，对公路网多目标最优出行路径问题也给予了深入的研究： ( 1 )通过对两种常用的gis数据模型(矢量数据模型、栅格数据模型)及对公路网络特征的分析，设计了公路网gis的逻辑数据模型，给出了基于矢量方法的空间数据存储结构。 - Four basic objects including point , line , region and grid dada objects are put forward , and their associated attribution objects are abstractly represented in this paper . these efforts can completely realize the organization , storage and access to various relevant data concerning such universal system of earthquake loss estimation
本论文通过提出点数据对象、线数据对象、区域数据对象和栅格数据对象这四个基本对象及与其相关联的属性对象的抽象表示，可以完整地实现对普适性震害预测数据处理模型中的各种相关数据的组织、存储与高效访问。