1) level of detail
细节层次
1.
D features are first filtered by reducing the meshes of 3D object through level of detail.
提出对相似 3D物体识别与检索的算法 该算法首先使用细节层次模型对 3D物体进行三角面片数量的约减 ,然后提取 3D物体的特征 由于所提取的特征维数很大 ,因此独立成分分析被用来进行 3D特征约减 基于约减后的特征 ,使用支持向量机进行识别与检索 将该算法用于 3D丘陵与山地的地形识别中 ,取得了良好效
2.
Concepts of level of details are applied to geometry and texture jointly.
该算法的一个特点是结合了几何和纹理细节层次的思想 。
3.
Hand-modelled terrain is expensive and has no support for continuous level of detail.
在传统的仿真中,地形采用艺术家手工建模,但是手工建模价格昂贵,而且不能产生连续的细节层次(Level ofD etail,LOD)。
2) LOD
细节层次
1.
The LOD Technology Applied to VR Visual Systems;
细节层次技术在VR视景系统中的应用
2.
A method for optimizing the sceneries in the vehicle driving simulator visual system is proposed,which is based on the LOD technology to simplify or complicate the polygon meshes of the sceneries.
根据细节层次技术原理,实时简化场景的多边形网格,将景物合理分类,对不同类型的景物相应采取了不同的优化策略。
3.
A method for optimizing the sceneries in the vehicle driving simulator visual system is proposed,which is based on the LOD technology to simplify the polygon meshes of the sceneries.
提出在汽车驾驶模拟器视景系统中应用的一种景物优化方法,根据细节层次技术的原理实时简化景物的多边形网格,将景物合理分类,对不同类型的景物相应采取了不同的优化策略,取得较好的效果。
3) levels of detail
细节层次
1.
And more,interpolating algorithm between different LODs is brought forward and smooth transition between different levels of detail of model is accomplished.
提出新的三角形折叠误差计算方法,并针对网格简化程度的不同引入阈值控制折叠误差,从而生成满足不同需要三维模型的多个细节层次;提出建立不同细节层次模型间顶点的对应关系,然后在对应点之间进行线性插值的方法,实现了绘制过程中不同细节层次模型间的平滑过渡。
4) level of detail(LOD)
细节层次
1.
This paper presents an algorithm which blocks the terrain,uses back culling and modifies deviation equation to construct Level Of Detail(LOD),and then uses a new horizon culled method based on screen-deviation bounding box.
该文通过对地形分块,使用背面剔除及改进的视点误差来进行细节层次处理。
5) level of details
细节层次
1.
Based on the 3D digital modeling of a simulated Tang Dynasty style group of buildings, this paper introduces a useful method to plan the level of details for 3D city models and to determine the fidelity of each level of details.
以仿唐建筑群的逼真三维模型为例,介绍了一种实用的LOD模型细节层次规划及其精细程度的确定方法,以及配套的数据生产工艺,为建立具有几何上的高精度和视觉上的高逼真度的三维城市模型提供了一条有效的途径。
2.
aiming at the increasing practical 3D city modeling engineering, this paper discusses the related critical issues including: the data contents and the large scale production techniques for 3D city models, as well as the level of details for 3D city models and the integrated applications with other urban information.
本文探讨了三维城市建模工程涉及的若干主要问题,包括:三维城市模型的数据内容,三维城市模型的多细节层次,大规模数据生产工艺,与其他城市信息的集成应用模式等,旨在为日益兴起的三维城市建模工程实施提供参考。
6) LOD
层次细节
1.
Research on the spatial entity s topological consistency between different LOD;
空间实体在不同层次细节上保持拓扑关系一致性的研究
2.
Navigation Simulation Based on Lod Terrain;
基于多层次细节地形的潜艇航行模拟
3.
The character of existing level of detail(LOD) terrain algorithms were studied.
研究了现有层次细节(LOD)地形生成算法特点。
补充资料：察觉细节能力
察觉细节能力：指对物体或图形的有关细节具有正确的知觉能力，对于图形的明暗、线的宽度和长度作出视觉的区别和比较，看出其细微的差异。对于生物学家、建筑师、测量员、制图员、医生、药剂师、画家、无线电修理工来说，需要较强的形态知觉，而对于历史学家、政治学家、社会服务人员、招待员、售货员、办公室职员来说，形态知觉就不显得很重要了。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条