terrain feature

An algorithm of TIN in consideration of terrain features;

考虑地形特征的三角网数模建立方法

A simple terrain feature extraction algorithm

地形特征提取的一种简易算法

By the analysis of the terrain feature, the paper explains the relation of the terrain feature and the performance index of the trajectory planning.

通过对地形特征进行分析,阐述了地形特征与航迹规划性能指标之间的关系,在一系列基础地形模型的基础上,建立了基于地形特征的组合模拟算法,并根据实际的地形信息进行了地形模拟,实现了对样例地形轮廓的重现,可满足在无数字地图区域计算安全走廊和参考轨迹的需要。

The extraction of terrain features is very important in terrain analysis.

从数字化地形中自动提取地形特征是地形分析的一种重要方法。

With the direct extraction of "pit" topographic features,the candidate’s eyes are searched in brow-and-eye region extracted from the face image by use of Gabor wavelet transform.

为提高人眼定位算法的实时性和抗噪性,提出了一种基于眉眼区域内"凹陷"地形特征点检测和人眼方差滤波器的人眼定位方法(GPL)。

As a fundamental problem in terrain analysis, topographic patterns extraction has fund its role in many applications such as hydrographic analysis, mineral deposition, land erosion, and pollution diffusion analysis et al.

提出并实现了一种基于规则格网DEM的地形特征线提取算法,该算法在现有地表水流模拟方法的基础上将矢量操作与栅格操作结合起来对规则格网DEM中的洼地进行填平处理,采用邻域格网分组扫描方法确定平地水流方向,与以往算法相比在提取效率和结果准确性等方面都有了明显的改进,从而也使其更加适合于对大规模的DEM数据进行处理,采用各种尺度的DEM进行试验的结果验证了以上结论。

At first this paper introduces a new method which is named as the concentric circles cutting method of drawing terrain characteristic line on the basis of contour vector data, and has made the program design and realized to this method.

本文首先介绍了一种基于等高线矢量数据提取地形特征线的新方法——同心圆剖切法，并对该方法进行了程序设计与实现。

On the plateform of GIS the topographic characteristics of river basin, including the distance and slope of flood routing and slope for different kinds of landscape and different grid sizes digital elevation model(DEM) were compared.

本文以GIS为平台,分析比较了不同类型的地形及网格大小的数字高程模型(DEM)所提取的汇流路径长度、坡度等地形特征值。

Investigation of Loess Positive and Negative Terrain Based on DEMs;

基于DEM的黄土正负地形特征研究

The Extraction of Topographic Patterns Based on Digital Elevation Model;

基于数字高程模型（DEM）的地形特征提取

Extracting Topographic Patterns Based on Triangulated Irregular Networks DEM

基于三角网DEM的地形特征提取算法

Terrain Characteristic Point Extraction and Classification from Contour DEM

等值线DEM地形特征点提取与分类

Analysis of the correlation between the InSAR DEM accuracy and topographic features

InSAR DEM精度与地形特征的关系分析

Influence of Topographty Feature and Traditional Residential Building Form on Natural Ventilation;

地形特征与传统民居形式对自然通风的影响

RESEARCH ON REPRESENTATION FEATURES OF COLOR,SHAPE AND TEXTURE OF PICTURES;

图形颜色、形状及质地表征特性的研究

Fractal Research on Seamount Topography in the West Pacific Ocean

西太平洋海域海山地形分形特征研究

Multifractal arithmethic for watershed topographic feature

流域地貌形态特征多重分形算法研究

The physical characteristics, especially the surface features, of an area.

地形，地貌某一地区的自然特征，尤指地表特点

Most of these features can be described deterministically.

大多数形态特征都可以确切地被描述。

Morphological Information and Taxonomy of Bedford’s Vole

沟牙田鼠的形态特征及分类地位探讨

Geoburried-hills Reservoir Characteristics and Forming-mechanism in Chexi Area;

车西地区古潜山储层特征与形成机制

Tectonic Characteristic in the West Part of Dingri-Gamba Basin, Tibet;

西藏定日—岗巴盆地西部构造变形特征

The Study on Fractal Characteristics of Land Coverage Using Quickbird Date;

基于Quickbird数据的土地覆盖分形特征研究

Submarine Terrain Analysis Based on Hypergraph and Characteristic Extraction;

基于超图的海底地形分析和特征提取

Regional Characteristic That City s Landscape Image Design is Discussed Simply;

城市景观形象设计的地域性特征浅议

Multifractal Characterization of the Distribution Pattern of the Urban and Rural Population;

城乡人口地域分异特征的多分形刻画