terrain representation

At the same time, a multi-resolution terrain feature model is brought forward based on feature classification, abstract representation and hierarchical aggregation.

同时，提出了基于特征分类与抽象表示和层次聚合的多分辨率地形特征模型，给出了具有多分辨率的高斯烟雾模型及其一致性度量。

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All of the above include many specific technologies, such as the large-scale terrain rendering, the representation of ocean water and water scenes. In the process of the implementation of the technology, real-time should first be ensured, then at the same time optimize the function.

这涉及到很多技术，如大规模地形渲染、海洋水面、水体的表现和场景的组织等，这些技术的实现要在保证实时性的同时，协调优化功能。

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Comparison of Terrain Representation of SRTM and Topographic Derived DEMs

SRTM与地形图生成DEM的地形表达能力对比

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Quadtree representation of DEM is of importance in DEM compression and terrain visualization.

四叉树表示在数字高程模型（DEM）的压缩存储和地面可视化中占有非常重要的地位。

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◆ Different terrain rendering methods are put forward integrated with characteristics of landform. Several terrain representation modes and applications in proper environments are addressed.

◆提出了基于地貌特征的不同地形表达模式，并对各种表达方法以及应用场合进行了探讨。

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CGF Terrain Representation and Reasoning with Contour Map

采用等高线地图的CGF地域表示和推理

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A Research on the Uncertainty Analysis of the Digital Elevation Models Terrain Representation

数字高程模型不确定性分析与研究

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This thesis focuses on real-time display of large scale terrain and the representation of realistic terrain and landform. The principal contents are as follows: Some fundamental strategies and related techniques for the real-time rendering of large scale terrain are investigated.

本文着重研究大规模地形实时绘制以及真实感地形地貌表达，主要工作如下：探讨了大规模地形实时绘制的基本途径和相关技术问题。

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With the development of information technology in Geodesy, more methods are provided to represent terrain, and digital representation forms like DEM become main representation forms.

测绘信息技术的发展，使得在地形的表达上，有了更多的选择.DEM等对地形的数字表达形式成为地形表达的主要形式。

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A Mathematical Simulation of DEM Terrain Representation Error& A Case Study in the Loess Hill gully Areas of China

数字高程模型地形描述误差的量化模拟&以黄土丘陵沟壑区的实验为例

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Based on the terrain representation of layered elevation map, rapid discrimination of passable area and obstacle area on flat road surface can be realized.

基于分层高程地图的地形表示方法，可实现对平坦路面上的可通行区域与障碍区域的快速判别。

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Based on an overall analysis of the methodology and technique for the description of terrain information representation, the TCI ( Terrain Complexity Index), a new concept and quantification method for terrain complexity is proposed.

在充分阐述各种地形信息表达方式的基础上，提出了基于栅格DEM的地形复杂度指数的概念与计算方法。

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DTM is discussed , particularly, terrain multi-resolution representation is introduced.

介绍主要针对数字地面模型(DTM)展开, 同时还涉及到地形场景多分辨率模型.

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Slope Accuracy Associated with DEM Data Error and Terrain Representation Error

DEM数据误差与地形描述误差对坡度精度的影响

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Terrain Complexity Factor and Its Relationship with Accuracy of DEM Terrain Representation

DEM地形复杂因子的确定及与地形描述精度的关系

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This paper makes an overall comparison between the characteristics of DEM and contour in terrain representation.

本文全面比较了DEM和等高线在地形表达中的特点。

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DTM is discussed , particularly, terrain multi-resolution representation is introduced.

介绍主要针对数字地面模型(DTM)展开, 同时还涉及到地形场景多分辨率模型.

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