Hunyuan3D 2.5：迈向极致细节的高保真3D资产生成

摘要

在本报告中，我们推出了Hunyuan3D 2.5，这是一套强大的三维扩散模型套件，旨在生成高保真且细节丰富的纹理化三维资产。Hunyuan3D 2.5沿用了其前代版本Hunyuan3D 2.0的两阶段流程，同时在形状与纹理生成方面均实现了显著进步。在形状生成方面，我们引入了一种新的形状基础模型——LATTICE，该模型通过扩展高质量数据集、增大模型规模及计算资源进行训练。我们的最大模型参数达到100亿，能够生成轮廓清晰、细节丰富的三维形状，并确保网格表面干净平滑，显著缩小了生成模型与手工制作三维形状之间的差距。在纹理生成方面，我们基于Hunyuan3D 2.0的绘画模型，通过一种新颖的多视角架构，升级了基于物理的渲染（PBR）技术。广泛的评估表明，Hunyuan3D 2.5在形状生成及端到端纹理生成方面均大幅超越了以往的方法。

English

In this report, we present Hunyuan3D 2.5, a robust suite of 3D diffusion models aimed at generating high-fidelity and detailed textured 3D assets. Hunyuan3D 2.5 follows two-stages pipeline of its previous version Hunyuan3D 2.0, while demonstrating substantial advancements in both shape and texture generation. In terms of shape generation, we introduce a new shape foundation model -- LATTICE, which is trained with scaled high-quality datasets, model-size, and compute. Our largest model reaches 10B parameters and generates sharp and detailed 3D shape with precise image-3D following while keeping mesh surface clean and smooth, significantly closing the gap between generated and handcrafted 3D shapes. In terms of texture generation, it is upgraded with phyiscal-based rendering (PBR) via a novel multi-view architecture extended from Hunyuan3D 2.0 Paint model. Our extensive evaluation shows that Hunyuan3D 2.5 significantly outperforms previous methods in both shape and end-to-end texture generation.

Hunyuan3D 2.5：迈向极致细节的高保真3D资产生成

Hunyuan3D 2.5: Towards High-Fidelity 3D Assets Generation with Ultimate Details

摘要

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