ControlMat: A Controlled Generative Approach to Material Capture

IF 7.8 1区 计算机科学 Q1 COMPUTER SCIENCE, SOFTWARE ENGINEERING ACM Transactions on Graphics Pub Date : 2024-08-27 DOI:10.1145/3688830
Giuseppe Vecchio, Rosalie Martin, Arthur Roullier, Adrien Kaiser, Romain Rouffet, Valentin Deschaintre, Tamy Boubekeur
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Abstract

Material reconstruction from a photograph is a key component of 3D content creation democratization. We propose to formulate this ill-posed problem as a controlled synthesis one, leveraging the recent progress in generative deep networks. We present ControlMat, a method which, given a single photograph with uncontrolled illumination as input, conditions a diffusion model to generate plausible, tileable, high-resolution physically-based digital materials. We carefully analyze the behavior of diffusion models for multi-channel outputs, adapt the sampling process to fuse multi-scale information and introduce rolled diffusion to enable both tileability and patched diffusion for high-resolution outputs. Our generative approach further permits exploration of a variety of materials that could correspond to the input image, mitigating the unknown lighting conditions. We show that our approach outperforms recent inference and latent-space optimization methods, and we carefully validate our diffusion process design choices. 1
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控制垫:材料捕捉的受控生成方法
从照片中重建材料是三维内容创作民主化的关键组成部分。我们建议利用生成式深度网络的最新进展,将这一难以解决的问题表述为受控合成问题。我们提出的 ControlMat 是一种方法,它以一张光照不受控制的照片为输入,利用扩散模型生成可信的、可拼贴的、高分辨率的物理数字材料。我们仔细分析了扩散模型在多通道输出时的行为,调整了采样过程以融合多尺度信息,并引入了滚动扩散以实现高分辨率输出的平铺性和修补扩散。我们的生成方法还允许探索与输入图像相对应的各种材料,从而减轻未知照明条件的影响。我们的研究表明,我们的方法优于最新的推理和潜空间优化方法,我们还仔细验证了我们的扩散过程设计选择。 1
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来源期刊
ACM Transactions on Graphics
ACM Transactions on Graphics 工程技术-计算机:软件工程
CiteScore
14.30
自引率
25.80%
发文量
193
审稿时长
12 months
期刊介绍: ACM Transactions on Graphics (TOG) is a peer-reviewed scientific journal that aims to disseminate the latest findings of note in the field of computer graphics. It has been published since 1982 by the Association for Computing Machinery. Starting in 2003, all papers accepted for presentation at the annual SIGGRAPH conference are printed in a special summer issue of the journal.
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