在分析构成勘探部署图数据元素特点的基础上,提出了不同比例尺图件的多分辨率模型。
On the basis of analyzing the characters of data elements forming maps, a multiresolution model of maps with variable scale was presented.
多分辨率模型表面简化算法用一简单的模型来近似表示原始的高分辨率模型,减少模型表示的多边形数,从而加速场景绘制。
Many resolution ratio model surface simplify algorithm come with one simple model approximate to say the primitive high-resolution model, reduce polygon that model show count, accelerate scene draw.
为实现地形漫游,提出基于三角形二叉树的地形网格模型动态简化算法,实现了与视点相关的连续多分辨率简化及快速动态绘制。
This paper proposes a dynamic simplification algorithm for the terrain model based on the Triangle Subdivision Bi tree to realize continuous view dependent multi resolution rendering of terrain mesh.
该文在分析光流模型约束条件的基础上,提出了一种鲁棒的多分辨率光流估计方法,并对光流应用于目标检测的一些实际问题进行了探讨。
Based on the detail analysis of optical flow model, a robust multi-resolution estimation approach of optical flow is proposed, and some practical problems are also discussed on target detection.
本文在金字塔塔模型的基础上,运用面向对象思想,设计了多分辨率纹理数据的生成方案,对其流程进行了具体实现,对一些相关技术进行了讨论。
In the base of pyramid model, this paper designed a new method for the genegration of multi-resolution texture with OOP. Some related problems are also discussed in this paper.
论述了一种基于大规模格网数据或离散高程点动态构建多分辨率地形模型的算法。
This paper presents a dynamic construction algorithm for the multi-resolution terrain model based on the large scale GRID data or discrete elevation data.
为此,该文提出一种针对外存模型的渐进压缩方法,能高效地压缩外存模型,并进行多分辨率的传输和显示。
With regard to this, this paper proposes a method that can progressively compress out-of-core models in high efficiency and transmit and render the models in multi-resolutions.
本文建立的面向数字几何模型的多分辨率数值算法模型为解决该问题提供了必要的基础。
The multiresolution numerical modeling method oriented to the digital geometry is developed, that can be used to solve the problem.
提出和改进了两种适合现阶段的基于四叉树(自适应四叉树和隐含四叉树)的实时动态多分辨率地形模型。
To represent dynamic multiresolution terrain in real time, two sorts of models suitable for current stage are proposed, the adaptive quadtree model and the implied quadtree model.
当前,传统空间数据组织与模型的内在局限性已经不能完全满足大范围甚至全球多分辨率海量数据动态管理的要求。
Currently, traditional spatial data model with the inherent limitations can not fully satisfy the scope of the global multi-resolution massive data dynamic management requirements.
文中重点研究了数字高程模型的小波变换简化以及构建多分辨率数字模型中LOD简化技术并进行试验应用。
In the paper focal point was put on the model simplification with wavelet transform and the construction of multi-resolution model with LOD technology and at the same time trial was applied.
采用影像分块和纹理压缩技术,实现了多分辨率影像纹理模型的构造方法。
And we adopted the image division and image compress techniques, carried out the method of construct multiresolution texture model.
针对复杂时间序列难以使用单一预测方法进行有效预测的问题,本文提出一种新型多分辨率增量预测模型。
The task of complex time series predicting is hard to be accomplished with only one single predicting model.
针对附有纹理属性的网格模型,提出并实现了一种保持模型基本外观和形状特征的多分辨率网格简化算法。
This paper aims to simplify 3D models with texture attributes. An appearance-preserving multi-resolution simplification algorithm based on half-edge collapse operation is proposed.
ROAM算法就是通过采用分解和合并方法实时地调整三角形网格,能交互式地实现观察依赖、局部可调整的地形网格化处理,生成多分辨率的地形模型。
ROAM method adopts split and merge operations to adjust triangle meshes, can interactively perform view-dependent, locally-adaptive terrain meshing and can construct multiresolution terrain model.
此算法基于多分辨率运动估计方案和新率失真模型进行预测模式快速选择,并结合带提前退出准则的快速搜索算法来加速搜索过程。
The multi-resolution motion estimation scheme and an efficient rate-distortion model are adopted with early termination rules to accelerate the search process.
顾及地形特征线的散点域(约束数据域)三角剖分是建立高精度数字地面模型的基础,在GIS、地学分析、计算几何、多分辨率DTM等领域中有着广泛的应用。
The triangulation of constrained data set is widely used in Geographic Information System (GIS), geo-science, computational geometry, multi-resolution and high precision DTM, et al.
给出了一种有效支持个性化变形的三维人脸模型结构和一种特征约束的实时连续多分辨率绘制方法。
Presentes a 3d human facial model structure for supporting the individual distortion and a real-time continuous multiresolution rendering method with feature-constraint.
在图像的多分辨率小波分析的基础上 ,采用高斯 -马尔可夫随机场模型来描述图像的局部特征 。
The hierarchical multiresolution wavelet analysis in conjunction with the contextual information of the image extracted from GMRF results in local features of the image.
首次提出了基于多分辨率渐进层提取的三维地形模型纹理数据建立和渐进传输的方法。
The method of constructing and progressively transmitting 3D terrain texture data based on multi-resolution progressive layers is put forward for the first time.
基于几何模型的视点相关多分辨率地形简化算法及其在数据呈带状分布情况下的扩展算法;
The simplified algorithm of view-point related multi-resolution terrain and the extended algorithm while its data are distributed like a band;
提出用金字塔模型解决全球虚拟地形环境的多分辨率问题,并结合MRLOD技术设计并实现了一个全球金字塔模型。
The followings are what we have done in this dissertation:1. Design a Pyramid Model for global multi-resolution virtual terrain environment, and then implement this model by way of MRLOD.
提出用金字塔模型解决全球虚拟地形环境的多分辨率问题,并结合MRLOD技术设计并实现了一个全球金字塔模型。
The followings are what we have done in this dissertation:1. Design a Pyramid Model for global multi-resolution virtual terrain environment, and then implement this model by way of MRLOD.
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