纹理网质量评估使用几何学和颜色场相似性
IEEE transactions on visualization and computer graphics
|September 22, 2025
概括
一个新的现场网格质量指标 (FMQM) 通过使用几何和色彩场来改进纹理网格质量评估 (TMQA). 这种方法为3D图形应用提供了准确,强大和高效的评估.
科学领域:
- 计算机图形 计算机图形
- 3D几何处理处理 3D几何处理
- 计算成像技术的成像
背景情况:
- 纹理网质量评估 (TMQA) 对3D应用至关重要.
- 目前的TMQA方法缺乏准确性和稳定性.
- 字段有效地表示3D几何和颜色.
研究的目的:
- 介绍一种新的基于点的TMQA方法,即现场网格质量指标 (FMQM).
- 使用几何和颜色字段增强功能描述.
- 提高TMQA的准确性和稳定性.
主要方法:
- 在几何学中使用符号距离字段.
- 为了获得颜色信息,使用最近的表面点颜色场.
- 提取四个感知相关的特征:几何相似性,几何梯度相似性,空间颜色分布相似性和空间颜色梯度相似性.
主要成果:
- FMQM在基准数据集上表现优于最先进的TMQA指标.
- 在评估中表现出卓越的准确性和稳定性.
- 实现了较低的计算复杂性.
结论:
- FMQM为TMQA提供了有效和高效的解决方案.
- 该方法对现实世界3D图形和可视化非常实用.
- 基于现场的特征提取可以提高网格质量评估.
更多相关视频
09:00Visualization of Failure and the Associated Grain-Scale Mechanical Behavior of Granular Soils under Shear using Synchrotron X-Ray Micro-Tomography
Published on: September 29, 2019
13.7K
08:59Morphology-Based Distinction Between Healthy and Pathological Cells Utilizing Fourier Transforms and Self-Organizing Maps
Published on: October 28, 2018
7.5K
相关概念视频
Shape and Texture of Coarse Aggregate
669
Aggregate shape is classified based on the relative sharpness or roundness of the edges and corners. This classification includes categories like rounded, angular, elongated, and flaky, each with specific characteristics. Rounded aggregates, fully shaped by attrition, are typical of river or seashore gravel, while angular aggregates, such as crushed rock, have well-defined edges. Aggregates that are elongated and flaky are less desirable, as they can reduce the workability and strength of...
669
Mesh Analysis
1.4K
Mesh analysis is a valuable method for simplifying circuit analysis using mesh currents as key circuit variables. Unlike nodal analysis, which focuses on determining unknown voltages, mesh analysis applies Kirchhoff's voltage law (KVL) to find unknown currents within a circuit. This method is particularly convenient in reducing the number of simultaneous equations that need to be solved.
A fundamental concept in mesh analysis is the definition of meshes and mesh currents. A mesh is a closed...
A fundamental concept in mesh analysis is the definition of meshes and mesh currents. A mesh is a closed...
1.4K
Mesh Analysis with Current Sources
2.0K
Mesh analysis becomes simpler when analyzing circuits with current sources, whether independent or dependent. The presence of current sources reduces the number of equations required for analysis. Two cases illustrate this:
Current Source in One Mesh: The analysis process is straightforward when a current source is found in only one mesh within the circuit. Mesh currents are assigned as usual, with the mesh containing the current source excluded from the analysis. Kirchhoff's voltage law...
Current Source in One Mesh: The analysis process is straightforward when a current source is found in only one mesh within the circuit. Mesh currents are assigned as usual, with the mesh containing the current source excluded from the analysis. Kirchhoff's voltage law...
2.0K
Mesh Analysis for AC Circuits
669
In the domain of radio communication, the significance of impedance matching must be considered. It is crucial to ensure the efficient transmission of signals between radio transmitters and receivers. Achieving this balance involves using impedance-matching circuits, with one fundamental configuration comprising a resistor, capacitor, and inductor.
The process of harmonizing these impedances begins with a clear understanding of the input and output signals. Once these signals are known, the...
The process of harmonizing these impedances begins with a clear understanding of the input and output signals. Once these signals are known, the...
669
Gauss's Law: Planar Symmetry
9.3K
A planar symmetry of charge density is obtained when charges are uniformly spread over a large flat surface. In planar symmetry, all points in a plane parallel to the plane of charge are identical with respect to the charges. Suppose the plane of the charge distribution is the xy-plane, and the electric field at a space point P with coordinates (x, y, z) is to be determined. Since the charge density is the same at all (x, y) - coordinates in the z = 0 plane, by symmetry, the electric field at P...
9.3K
Geometric Mean
3.9K
The mean is a measure of the central tendency of a data set. In some data sets, the data is inherently multiplicative, and the arithmetic mean is not useful. For example, the human population multiplies with time, and so does the credit amount of financial investment, as the interest compounds over successive time intervals.
In cases of multiplicative data, the geometric mean is used for statistical analysis. First, the product of all the elements is taken. Then, if there are n elements in the...
In cases of multiplicative data, the geometric mean is used for statistical analysis. First, the product of all the elements is taken. Then, if there are n elements in the...
3.9K
