3d texture

The method of constructing and progressively transmitting 3D terrain texture data based on multi-resolution progressive layers is put forward for the first time.

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。

Then the background knowledge and relevant research methods are provided, and the 3D surface texture directionality research is further discussed.

然后系统介绍了本研究的一些背景知识及相关研究方法，进而对三维表面纹理的方向性研究展开讨论。

Furthermore, the technology based on 3D texture function including the definition of 3D texture and the research on texture mapping method are discussed.

三维纹理映射介绍了基于三维纹理函数的映射，包括三维纹理的定义和映射方法研究；

Generating 3D Geometry Texture Based on Simulating Painting

模拟绘画的三维几何纹理生成研究

It is further extended to 3D texture synthesis.

并将这一合成方法扩展到三维表面纹理合成中，进行了基于核函数的三维表面纹理合成算法的研究。

In recent years, people have done many researches on 2D images applications using Wavelet and Beyond Wavelet, but Beyond Wavelet is not applied in 3D surface texture analysis.

近几年内，人们已经利用小波及超小波做了大量的二维纹理分类及融合方面的研究，但还没有将超小波应用到三维表面纹理的分析中。

The algorithm may be also applicable for volume rendering based on 3D texture mapping.

据研究，该算法同样适用于3D纹理映射的体绘制方法。

Direct volume rendering based 3D texture can guarantee image quality and reach interactive frame rates. Because of the restriction of texture memory, it is difficult to render large volume data.

基于3D纹理的直接体绘制算法可以在保证图像质量的同时达到较好的交互性能，但由于纹理内存的限制，大规模数据场的3D纹理直接体绘制比较困难。

Using the light intensity of the surface of object and the rendering models of primary elements to render the every primary element so as to obtain the 3D geometry texture;

在绘制阶段，利用所获得的光照信息和画元的绘制模式在各分点处绘制画元，以获得符合物体表面总体明暗调子的几何纹理；

Improvement on 3D Face Texture and Application in Process of Model Matching

三维人脸纹理改善及其在模型匹配中的应用

Hole Filling of 3D Surface Texture

三维表面纹理填洞研究

3D Texture Extraction and Automatic Mapp in g Based on Photogrammetry

基于近景立体像对的目标纹理提取与自动粘贴技术

For rendering of real-world surface material and 3D texture surface, the Bi-directional Reflection Distribution Function ( BRDF) and Bi-directional Texture Function ( BTF) are described.

在复杂材质和3D纹理技术方面，本文主要阐述了对应的两个描述函数，双向反射分布函数和双向纹理函数的相应处理方法。

Based on the image quilting method proposed by Efros et al., present and compare five methods for 3D surface texture synthesis.

在基于图像缝合的二维纹理合成方法基础上，提出并比较了五种三维表面纹理合成方法。

Our experiments show the effectiveness of the proposed 3D texture synthesis algorithms based on kernel function.

本文通过多个实验纹理数据结果证明了本论文提出的基于核函数的三维表面纹理合成算法是有效的。

The similar idea can be extended to mesh metamorphosis. ( 2) 3D texture synthesis.

同样的思想应用于网格模型的形状过渡也取得了良好的效果。（2）三维纹理合成。

The 3D surface texture synthesis deals with 3D texture under different illumination and viewpoint conditions. It works on representation extraction, analysis, synthesis and texture rendering.

三维表面纹理合成理论主要研究三维表面纹理在不同光照条件和视角角度的情况下的纹理重新表现，以及三维表面纹理的数据采集、分析、合成和表现。

Thus, the research on 3D surface texture synthesis is more realistic.

因此，对于三维表面纹理的合成的研究比传统的二维纹理合成更有现实意义。

However, 2D texture synthesis methods ignore the effect of illumination and view conditions. So the research on 3D surface texture synthesis is more realistic.

然而，二维纹理合成方法并没有考虑光照和视角变化的影响，因此，对三维表面纹理合成进行研究更有现实意义。

Based on 2d texture segmentation, the algorithm was applied to 3D surface texture segmentation and segmentation based on the Lambertian model.

最后，在二维纹理分割的基础上，把该模型算法应用于三维纹理分割和基于朗伯模型的分割。

3D texture hardware assisted volume rendering with space leaping

基于空间跳跃的三维纹理硬件体绘制算法

The collection, analyzing and classification of 3D texture become one of the keen topic in this field.

三维表面纹理的数据采集、分析、分类已成为本领域的热点之一。

3D texture model and image simulation

三维纹理模型及图象模拟

Then we propose the algorithm of 3D surface texture super-resolution. Finally a set of experiments is carried out and results show the effectiveness of the algorithm.

文章末尾用一个实验和多个数据结果证明了本论文提出的三维表面纹理的超分辨率算法的有效性。

Therefore 3D texture mapping is not practical for virtual exhibition system.

因此，无法使用三维纹理映射技术进行虚拟展示。

This method reduces the data amount effectively while keeping the major 3D texture appearance.

该方法描述了3D纹理主要特征的同时极大地降低了采样数据量。

Further more, given that lifting wavelet can be constructed perfectly, it is applied to the edit of 3D surface texture and new images different from the original texture features are generated.

并且利用提升小波良好的重构性，将其应用到三维表面纹理的编辑中，产生出与原来纹理特征不同的新图像。

Comparison of five methods for 3D surface texture synthesis under a unified framework

统一框架下的五种三维表面纹理合成方法及其性能比较

In the system development process, the use of the texture mapping framework can meet different scenes by choosing 2D texture mapping or 3D surface texture synthesis in rendering texture details for virtual objects.

在系统开发过程中，使用这个纹理贴图框架，能够根据不同场景的不同需求，自由选择二维映射或三维曲面直接合成两种方法来绘制物体的纹理细节。

To overcome the shortcomings, the skill of 3D texture mapping is introduced and the method of using noise function to describe color texture is proposed.

为此引入三维纹理技术，提出基于噪声函数描述颜色纹理的方法。