arXivDaily arXiv每日学术速递 周一至周五更新
arXiv周末暂无论文更新,休息一下吧,周末愉快~~
arXiv 2406.16710cs.CV

ID-Sculpt:基于单张非受限人脸图像的ID感知3D头部生成

ID-Sculpt: ID-aware 3D Head Generation from Single In-the-wild Portrait Image

Shanghai Jiao Tong University(上海交通大学);Youtu Lab, Tencent(腾讯优图实验室)

Jinkun Hao, Junshu Tang, Jiangning Zhang, Ran Yi, Yijia Hong, Moran Li, Weijian Cao, Yating Wang, Chengjie Wang, Lizhuang Ma

AI总结:

提出ID-Sculpt框架,通过几何初始化、雕刻和纹理生成三阶段融合身份信息,从单张非受限人脸图像生成高质量3D头部。

摘要:

尽管近期的研究在图像到3D物体生成方面取得了巨大成功,但从单张图像生成高质量、高保真度的3D头部仍然是一个巨大挑战。以往基于文本生成3D头部的方法受限于文本描述,而基于图像的方法难以生成高质量的头部几何结构。为解决这一挑战性问题,我们提出了一种新颖的框架ID-Sculpt,在保留身份特征的同时生成高质量3D头部。本研究将人脸图像的身份信息融入三个部分:1)几何初始化,2)几何雕刻,以及3)纹理生成阶段。给定一张参考人脸图像,我们首先将身份特征与文本特征对齐,实现ID感知的引导增强,其中包含代表面部信息的控制信号。随后,我们利用canny map、人脸图像的ID特征以及预训练的text-to-normal/depth扩散模型来生成ID感知的几何监督,并采用3D-GAN inversion生成ID感知的几何初始化。此外,凭借将身份信息注入3D头部生成过程的能力,我们利用ID感知引导计算ID感知分数蒸馏(ISD)以进行几何雕刻。在纹理生成方面,我们采用ID一致纹理修复与细化方法,逐步扩展视角进行纹理修复,以获得初始UV纹理图。接着,我们利用ID感知引导为含噪多视图图像提供图像级监督,从而获得细化后的纹理图。大量实验表明,我们能从单张非受限人脸图像生成具有准确几何结构和纹理的高质量3D头部。

英文摘要:

While recent works have achieved great success on image-to-3D object generation, high quality and fidelity 3D head generation from a single image remains a great challenge. Previous text-based methods for generating 3D heads were limited by text descriptions and image-based methods struggled to produce high-quality head geometry. To handle this challenging problem, we propose a novel framework, ID-Sculpt, to generate high-quality 3D heads while preserving their identities. Our work incorporates the identity information of the portrait image into three parts: 1) geometry initialization, 2) geometry sculpting, and 3) texture generation stages. Given a reference portrait image, we first align the identity features with text features to realize ID-aware guidance enhancement, which contains the control signals representing the face information. We then use the canny map, ID features of the portrait image, and a pre-trained text-to-normal/depth diffusion model to generate ID-aware geometry supervision, and 3D-GAN inversion is employed to generate ID-aware geometry initialization. Furthermore, with the ability to inject identity information into 3D head generation, we use ID-aware guidance to calculate ID-aware Score Distillation (ISD) for geometry sculpting. For texture generation, we adopt the ID Consistent Texture Inpainting and Refinement which progressively expands the view for texture inpainting to obtain an initialization UV texture map. We then use the ID-aware guidance to provide image-level supervision for noisy multi-view images to obtain a refined texture map. Extensive experiments demonstrate that we can generate high-quality 3D heads with accurate geometry and texture from a single in-the-wild portrait image.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑