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Related papers: Do 2D GANs Know 3D Shape? Unsupervised 3D shape re…

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2D images are observations of the 3D physical world depicted with the geometry, material, and illumination components. Recovering these underlying intrinsic components from 2D images, also known as inverse rendering, usually requires a…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Xingang Pan , Ayush Tewari , Lingjie Liu , Christian Theobalt

Recent research has shown that controllable image generation based on pre-trained GANs can benefit a wide range of computer vision tasks. However, less attention has been devoted to 3D vision tasks. In light of this, we propose a novel…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Feng Liu , Xiaoming Liu

We show that generative models can be used to capture visual geometry constraints statistically. We use this fact to infer the 3D shape of object categories from raw single-view images. Differently from prior work, we use no external…

Computer Vision and Pattern Recognition · Computer Science 2019-06-05 Shangzhe Wu , Christian Rupprecht , Andrea Vedaldi

Generative models for 2D images has recently seen tremendous progress in quality, resolution and speed as a result of the efficiency of 2D convolutional architectures. However it is difficult to extend this progress into the 3D domain since…

Computer Vision and Pattern Recognition · Computer Science 2022-10-07 Hassan Abu Alhaija , Alara Dirik , André Knörig , Sanja Fidler , Maria Shugrina

StyleGAN has achieved great progress in 2D face reconstruction and semantic editing via image inversion and latent editing. While studies over extending 2D StyleGAN to 3D faces have emerged, a corresponding generic 3D GAN inversion…

Computer Vision and Pattern Recognition · Computer Science 2022-12-19 Yushi Lan , Xuyi Meng , Shuai Yang , Chen Change Loy , Bo Dai

Recent work has shown the ability to learn generative models for 3D shapes from only unstructured 2D images. However, training such models requires differentiating through the rasterization step of the rendering process, therefore past work…

Computer Vision and Pattern Recognition · Computer Science 2020-03-02 Sebastian Lunz , Yingzhen Li , Andrew Fitzgibbon , Nate Kushman

Aiming at inferring 3D shapes from 2D images, 3D shape reconstruction has drawn huge attention from researchers in computer vision and deep learning communities. However, it is not practical to assume that 2D input images and their…

Computer Vision and Pattern Recognition · Computer Science 2018-11-30 Yi-Lun Liao , Yao-Cheng Yang , Yu-Chiang Frank Wang

Understanding three-dimensional (3D) geometries from two-dimensional (2D) images without any labeled information is promising for understanding the real world without incurring annotation cost. We herein propose a novel generative model,…

Computer Vision and Pattern Recognition · Computer Science 2020-05-26 Atsuhiro Noguchi , Tatsuya Harada

Recovering a textured 3D mesh from a monocular image is highly challenging, particularly for in-the-wild objects that lack 3D ground truths. In this work, we present MeshInversion, a novel framework to improve the reconstruction by…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Junzhe Zhang , Daxuan Ren , Zhongang Cai , Chai Kiat Yeo , Bo Dai , Chen Change Loy

In this paper we present, to the best of our knowledge, the first method to learn a generative model of 3D shapes from natural images in a fully unsupervised way. For example, we do not use any ground truth 3D or 2D annotations, stereo…

Computer Vision and Pattern Recognition · Computer Science 2019-10-02 Attila Szabó , Givi Meishvili , Paolo Favaro

Learning 3D generative models from a dataset of monocular images enables self-supervised 3D reasoning and controllable synthesis. State-of-the-art 3D generative models are GANs which use neural 3D volumetric representations for synthesis.…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Ayush Tewari , Mallikarjun B R , Xingang Pan , Ohad Fried , Maneesh Agrawala , Christian Theobalt

Actions as simple as grasping an object or navigating around it require a rich understanding of that object's 3D shape from a given viewpoint. In this paper we repurpose powerful learning machinery, originally developed for object…

Computer Vision and Pattern Recognition · Computer Science 2015-11-26 Shubham Tulsiani , Abhishek Kar , Qixing Huang , João Carreira , Jitendra Malik

3D-aware GANs offer new capabilities for view synthesis while preserving the editing functionalities of their 2D counterparts. GAN inversion is a crucial step that seeks the latent code to reconstruct input images or videos, subsequently…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Yiran Xu , Zhixin Shu , Cameron Smith , Seoung Wug Oh , Jia-Bin Huang

Recently, a surge of high-quality 3D-aware GANs have been proposed, which leverage the generative power of neural rendering. It is natural to associate 3D GANs with GAN inversion methods to project a real image into the generator's latent…

Computer Vision and Pattern Recognition · Computer Science 2023-03-15 Fei Yin , Yong Zhang , Xuan Wang , Tengfei Wang , Xiaoyu Li , Yuan Gong , Yanbo Fan , Xiaodong Cun , Ying Shan , Cengiz Oztireli , Yujiu Yang

Unsupervised learning of 3D-aware generative adversarial networks (GANs) using only collections of single-view 2D photographs has very recently made much progress. These 3D GANs, however, have not been demonstrated for human bodies and the…

Computer Vision and Pattern Recognition · Computer Science 2023-01-10 Alexander W. Bergman , Petr Kellnhofer , Wang Yifan , Eric R. Chan , David B. Lindell , Gordon Wetzstein

We introduce PlatonicGAN to discover the 3D structure of an object class from an unstructured collection of 2D images, i.e., where no relation between photos is known, except that they are showing instances of the same category. The key…

Computer Vision and Pattern Recognition · Computer Science 2021-06-11 Philipp Henzler , Niloy Mitra , Tobias Ritschel

Previous animatable 3D-aware GANs for human generation have primarily focused on either the human head or full body. However, head-only videos are relatively uncommon in real life, and full body generation typically does not deal with…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Yue Wu , Sicheng Xu , Jianfeng Xiang , Fangyun Wei , Qifeng Chen , Jiaolong Yang , Xin Tong

Modern 3D-GANs synthesize geometry and texture by training on large-scale datasets with a consistent structure. Training such models on stylized, artistic data, with often unknown, highly variable geometry, and camera information has not…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Rameen Abdal , Hsin-Ying Lee , Peihao Zhu , Menglei Chai , Aliaksandr Siarohin , Peter Wonka , Sergey Tulyakov

Existing generative models for 3D shapes are typically trained on a large 3D dataset, often of a specific object category. In this paper, we investigate the deep generative model that learns from only a single reference 3D shape.…

Graphics · Computer Science 2022-12-19 Rundi Wu , Changxi Zheng

Many methods have been proposed over the years to tackle the task of facial 3D geometry and texture recovery from a single image. Such methods often fail to provide high-fidelity texture without relying on 3D facial scans during training.…

Computer Vision and Pattern Recognition · Computer Science 2021-10-12 Ron Slossberg , Ibrahim Jubran , Ron Kimmel
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