提出可任意暂停的网格生成方法，实现连续细节控制。
VertexRegen: Mesh Generation with Continuous Level of Detail
- 通过学习逆向边折叠过程，实现顶点分裂的连续生成
- 任意中途停止均可得到有效网格，细节等级可调
- 生成质量媲美顶尖方法，适合需要灵活细节控制的场景
我们提出VertexRegen，一种新型网格生成框架，支持连续细节层级的生成。现有自回归方法以局部到完整的方式生成网格，中间步骤为不完整结构。VertexRegen受渐进网格启发，将生成过程重新建模为边折叠的逆过程，即通过生成模型学习顶点分裂。实验表明，VertexRegen生成的网格质量与当前最先进方法相当，且独特地支持任意时刻中断生成，得到具有不同细节层级的有效网格。
原文摘要 · Abstract (English)
We introduce VertexRegen, a novel mesh generation framework that enables generation at a continuous level of detail. Existing autoregressive methods generate meshes in a partial-to-complete manner and thus intermediate steps of generation represent incomplete structures. VertexRegen takes inspiration from progressive meshes and reformulates the process as the reversal of edge collapse, i.e. vertex split, learned through a generative model. Experimental results demonstrate that VertexRegen produces meshes of comparable quality to state-of-the-art methods while uniquely offering anytime generation with the flexibility to halt at any step to yield valid meshes with varying levels of detail.
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