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1)  raster layer
栅格图层
1.
In order to allow users facilitate the operation of vector layers and raster layers, layer processing is implemented with feature selection set method.
采用了要素选择集等方法,实现了图层处理功能,使用户方便的操作矢量图层,栅格图层
2)  grid map piled up
栅格图层叠置
3)  grid map
栅格地图
1.
Then a grid map is also built in the topological map and landmark information updates related incremental map on Bayesian theory.
针对里程计和超声波传感器构建地图时由于累积误差易造成的地图扭曲失真,引入红外定位传感器作为绝对路标信息,生成全局拓扑地图,并在此基础上利用贝叶斯理论进行局部栅格地图的构建,混合地图减小了里程计的累积误差,提高了地图的稳定性。
2.
In this paper,based on grid maps updated in real time,a fast,suboptimal planning algorithm is proposed to implement collision-free navigation of an autonomous mobile outdoor robot AMOR,who is the winner of autonomous reconnaissance in the 2007 C-ELROB competition.
基于实时的动态栅格地图,提出了一个快速的而又实效的轨迹规划算法,实现机器人在室外环境的无碰撞运动导航。
3.
We study the behaviors of the coverage of the environment and present a feasible method that robot maps; We represent the environment with the grid map, and divide the map of the environment; Adopt a Width-first Search and Depth-first Coverage (WSDC) method to gain a coverage-order of the square free-areas to navigate the robot movement.
本文针对室内清洁机器人的区域遍历问题,提出了一种地图绘制的方法;该方法基于栅格地图表示环境,对环境地图进行分区,通过自由区域联结图广度优先搜索及深度优先遍历(WSDC)形成方形区域遍历顺序,对机器人探测环境的路线进行导航。
4)  grid image
栅格图像
1.
As for the research and application of spatial information parallel procession under cluster,based on the analysis segmentation method of grid image,the kind of K_c-algorithm is proposed in this paper with the basic idea that different objects of images are processed in parallel by comparing Kc value with T_K=μ_K+ασ_K in each cluster computing node.
阐述了当前栅格图像处理存在的问题,针对集群环境下空间信息的并行存取与处理的研究与应用,分析了栅格图像的分割方法,并提出了一种分割栅格图像的Kc算法。
2.
At last,some suggestions about the vectorization of grid image are proposed.
该文分析了栅格图像矢量化的常用方法存在的问题,介绍并简单评价了多种主要的改进方法,方便技术人员根据具体需要快速的选择合适的矢量化方法,最后,就栅格图像矢量化的研究方向给出了一些建议。
5)  raster map
栅格地图
1.
The authors introduce the establishment of a Managing System of the provincial digital raster map by combining MapInfo with VB.
利用MapInfo和VB相结合的方法,设计实现了一个省级数字栅格地图的管理系统,能够对数据、元数据进行集成管理,并实现部分查询、输出等功能,具有一定的特点和实用性。
2.
This paper proposes a new procedure to erase noises on raster map.
为了既能去除彩色城市交通地图的噪声 ,又能保持有用信息不致损失 ,在对彩色地图进行像素分类、聚类的基础上 ,提出了一种基于外延特征的栅格地图噪声去除新算法 ,该算法首先以所处理的噪声像素为原点建立一个极坐标 ,再通过 8方向搜索来获得噪声像素的外延特征 ;然后按照“无偏”聚类准则与“有偏”聚类准则 ,确定该噪声点对道路或区域的新聚类。
3.
The 3D digital map is a new mapping, this article take the 3D digital map of Fengxian district as an example, introduce key technology, design of digital map、construction of raster map、integration technique of WebGIS and so on, in this project, a new pattern of digital map apply for E-government in government service and business.
以建立上海市奉贤区三维电子景观地图为例,阐述了三维电子地图的设计、栅格地图的实现方式、WebGIS的集成技术等关键技术,提出了一种为政府电子政务服务的新型三维电子景观地图模式。
6)  grid map
栅格图
1.
According to two problems of the real-time requirement and comprehended on result topological for the traditional method of topological analysis based on grid map,a novel method of the topological analysis based on connection is proposed.
针对传统的基于栅格图的拓扑分析方法存在实时性差和理解困难,提出了一种新颖的基于连通度的拓扑分析法(topological analysis based on connection,TAC),该方法通过定义“连通度”的概念,改进通常的“障碍物膨胀法”,使之实现实时计算和对栅格图较好的拓扑理解。
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性质:栅条之间的净距相当大(一般为25mm或25mm以上)的格栅。用以阻拦或去除流动状态下水或废水中的悬浮或漂浮固体物质。

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