Robust Material Graphs for Volume Rendering

Ojaswa Sharma, Tushar Arora, Apoorv Khattar
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Abstract

A good transfer function in volume rendering requires careful consideration of the materials present in a volume. In this work we propose a graph based method that considerably reduces manual effort required in designing a transfer function and provides an easy interface for interaction with the volume. Our novel contribution is in proposing an algorithm for robust deduction of a material graph from a set of disconnected edges. Since we compute material topology of the objects, an enhanced rendering is possible with our method. This also allows us to selectively render objects and depict adjacent materials in a volume. CCS Concepts •Computing methodologies → Machine learning approaches; Rendering; Image segmentation; Volumetric models;
健壮的材料图体渲染
在体绘制中,一个好的传递函数需要仔细考虑体中存在的材料。在这项工作中,我们提出了一种基于图的方法,该方法大大减少了设计传递函数所需的人工工作量,并提供了与体积交互的简单界面。我们的新贡献是提出了一种算法,用于从一组不连接的边中鲁棒地推导材料图。由于我们计算了物体的材质拓扑,因此我们的方法可以增强渲染。这也允许我们有选择地渲染物体和描绘相邻的材料在一个体积。•计算方法→机器学习方法;呈现;图像分割;体积模型;
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