基于Marching Cubes算法的3D心脏图像重建和可视化 gradient information in the original 3D data.MarchingCube算法是等值面近似一种算法,该算法根据在直线格子[1],[7]的边缘上得出的顶点生成三角网格表面...marchingcube可能出现的缺点:**标准的MC算法偶尔会出现“孔问题”,而且还会产生大量的产生的三角形以及由立方体...
点云PCL——移动立方体(Marching Cubes,MC)算法 MC算法的优点:生成网格的质量好,具有很高的可并行性。 移动立方体算法的主要思想是在三维离散数据场中通过线性差值来逼近等值面。 体元是在三维图像中由相邻的八个体素点组成的正方体方格,体元中顶点值有三种情况:高于、等于或者低于。 若顶点的数据值大于等值面的值...
首先基于MC的一系列算法需要明确一个“体元(Cell)”的概念。体元是在三维图像中由相邻的八个体素点组成的正方体方格,MarchingCubes算法的Cube的语义也可以指这个体元。注意区别体元和体素,体元是8个体素构成的方格,而每个体素(除了边界上的之外)都为8个体元所共享。 一个宽高层数分别为width、height、depth的三维...
The classic approach is Marching Cubes by Lorensen and Cline [LC87]. Instead of giving a lot of formulas like before, this article mainly shows code.The name can be taken literally, cubes are marching over a grid. In figure 1 is the indexing of the corners of a single....
水泡动画模拟(Marching Cubes) Marching Cubes算法是三维离散数据场中提取等值面的经典算法,其主要应用于医学领域的可视化场景,例如CT扫描和MRI扫描的3D重建等。 算法主要的思想是在三维离散数据场中通过线性插值来逼近等值面,具体如下:三维离散数据场中每个栅格单元作为一个体素,体素的每个顶点都存在对应的标量值。如果...
mcubes->isoValue = 1.0; // MarchingCubes gives the triangles with the // vertices ordered clockwise SoShapeHints *hints = new SoShapeHints(); hints->vertexOrdering. setValue(SoShapeHints::CLOCKWISE); root->addChild(hints); // connect the MarchingCubes points and ...
The most common algorithm for doing this is called the marching cubes algorithm. Examples of code are very common on the internet. One of the best ones around in my opinion is this onehereand it is what I have based my code on. The thing I like about this code is that it also imple...
The thing I like about this code is that it also implements the marching tetrahedron algorithm that is a little more difficult to find good examples of. The marching tetrahedron algorithm produces a mesh that matches the voxel data much better than the cubes algorithm but produces far more ...
2d Marching Cubes – Implementation Brevity Alert:This tutorial covers concepts and ideas more than methods and code. If you are more interested in the implementation, make sure you check out thepython implementation, which contains commented example code with all the nitty gritty. ...
Catlike Coding has anextremely in depth tutorialon how to do exactly that. But I found his approach pretty complex, as it is Unity-specific, and has a lot of code dealing with sharpness. As I’ve discussed before, sharpness is really aDual Contouringfeature – Marching Cubes doesn’t norm...