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相关论文: Do 2D GANs Know 3D Shape? Unsupervised 3D shape re…

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In this paper, we present a learning-based approach for recovering the 3D geometry of human head from a single portrait image. Our method is learned in an unsupervised manner without any ground-truth 3D data. We represent the head geometry…

计算机视觉与模式识别 · 计算机科学 2020-04-27 Sicheng Xu , Jiaolong Yang , Dong Chen , Fang Wen , Yu Deng , Yunde Jia , Xin Tong

Reconstruction of a 3D shape from a single 2D image is a classical computer vision problem, whose difficulty stems from the inherent ambiguity of recovering occluded or only partially observed surfaces. Recent methods address this challenge…

计算机视觉与模式识别 · 计算机科学 2020-02-04 Yuan Yao , Nico Schertler , Enrique Rosales , Helge Rhodin , Leonid Sigal , Alla Sheffer

We present an approach for reconstructing vehicles from a single (RGB) image, in the context of autonomous driving. Though the problem appears to be ill-posed, we demonstrate that prior knowledge about how 3D shapes of vehicles project to…

计算机视觉与模式识别 · 计算机科学 2016-09-30 J. Krishna Murthy , G. V. Sai Krishna , Falak Chhaya , K. Madhava Krishna

Recent works have shown that 3D-aware GANs trained on unstructured single image collections can generate multiview images of novel instances. The key underpinnings to achieve this are a 3D radiance field generator and a volume rendering…

计算机视觉与模式识别 · 计算机科学 2023-10-12 Jianfeng Xiang , Jiaolong Yang , Yu Deng , Xin Tong

Three-dimensional shape reconstruction of 2D landmark points on a single image is a hallmark of human vision, but is a task that has been proven difficult for computer vision algorithms. We define a feed-forward deep neural network…

计算机视觉与模式识别 · 计算机科学 2016-09-29 Ruiqi Zhao , Yan Wang , Aleix Martinez

Recovering textured 3D models of non-rigid human body shapes is challenging due to self-occlusions caused by complex body poses and shapes, clothing obstructions, lack of surface texture, background clutter, sparse set of cameras with…

计算机视觉与模式识别 · 计算机科学 2018-09-19 Abbhinav Venkat , Sai Sagar Jinka , Avinash Sharma

Prior works for reconstructing hand-held objects from a single image train models on images paired with 3D shapes. Such data is challenging to gather in the real world at scale. Consequently, these approaches do not generalize well when…

计算机视觉与模式识别 · 计算机科学 2024-09-24 Aditya Prakash , Matthew Chang , Matthew Jin , Ruisen Tu , Saurabh Gupta

Fast generation of high-quality 3D digital humans is important to a vast number of applications ranging from entertainment to professional concerns. Recent advances in differentiable rendering have enabled the training of 3D generative…

计算机视觉与模式识别 · 计算机科学 2023-07-25 Zhangyang Xiong , Di Kang , Derong Jin , Weikai Chen , Linchao Bao , Shuguang Cui , Xiaoguang Han

We investigate the problem of learning to generate 3D parametric surface representations for novel object instances, as seen from one or more views. Previous work on learning shape reconstruction from multiple views uses discrete…

计算机视觉与模式识别 · 计算机科学 2020-08-19 Jiahui Lei , Srinath Sridhar , Paul Guerrero , Minhyuk Sung , Niloy Mitra , Leonidas J. Guibas

We propose a novel framework to reconstruct super-resolution human shape from a single low-resolution input image. The approach overcomes limitations of existing approaches that reconstruct 3D human shape from a single image, which require…

计算机视觉与模式识别 · 计算机科学 2022-08-24 Marco Pesavento , Marco Volino , Adrian Hilton

Inspired by the recent success of methods that employ shape priors to achieve robust 3D reconstructions, we propose a novel recurrent neural network architecture that we call the 3D Recurrent Reconstruction Neural Network (3D-R2N2). The…

计算机视觉与模式识别 · 计算机科学 2016-04-05 Christopher B. Choy , Danfei Xu , JunYoung Gwak , Kevin Chen , Silvio Savarese

We present a new weakly supervised learning-based method for generating novel category-specific 3D shapes from unoccluded image collections. Our method is weakly supervised and only requires silhouette annotations from unoccluded,…

计算机视觉与模式识别 · 计算机科学 2019-06-11 Xiao Li , Yue Dong , Pieter Peers , Xin Tong

While recent generative models for 2D images achieve impressive visual results, they clearly lack the ability to perform 3D reasoning. This heavily restricts the degree of control over generated objects as well as the possible applications…

计算机视觉与模式识别 · 计算机科学 2020-10-26 Dario Pavllo , Graham Spinks , Thomas Hofmann , Marie-Francine Moens , Aurelien Lucchi

3D-aware GANs aim to synthesize realistic 3D scenes such that they can be rendered in arbitrary perspectives to produce images. Although previous methods produce realistic images, they suffer from unstable training or degenerate solutions…

计算机视觉与模式识别 · 计算机科学 2023-11-13 Minjung Shin , Yunji Seo , Jeongmin Bae , Young Sun Choi , Hyunsu Kim , Hyeran Byun , Youngjung Uh

Nerf-based Generative models have shown impressive capacity in generating high-quality images with consistent 3D geometry. Despite successful synthesis of fake identity images randomly sampled from latent space, adopting these models for…

计算机视觉与模式识别 · 计算机科学 2022-12-01 Yu Yin , Kamran Ghasedi , HsiangTao Wu , Jiaolong Yang , Xin Tong , Yun Fu

Existing deep learning-based approaches for monocular 3D object detection in autonomous driving often model the object as a rotated 3D cuboid while the object's geometric shape has been ignored. In this work, we propose an approach for…

计算机视觉与模式识别 · 计算机科学 2021-08-26 Zongdai Liu , Dingfu Zhou , Feixiang Lu , Jin Fang , Liangjun Zhang

Generating accurate 3D models is a challenging problem that traditionally requires explicit learning from 3D datasets using supervised learning. Although recent advances have shown promise in learning 3D models from 2D images, these methods…

计算机视觉与模式识别 · 计算机科学 2024-02-05 Qijia Shen , Guangrun Wang

Recent progress in NeRF-based GANs has introduced a number of approaches for high-resolution and high-fidelity generative modeling of human heads with a possibility for novel view rendering. At the same time, one must solve an inverse…

计算机视觉与模式识别 · 计算机科学 2023-10-27 Ananta R. Bhattarai , Matthias Nießner , Artem Sevastopolsky

Neural implicit functions have achieved impressive results for reconstructing 3D shapes from single images. However, the image features for describing 3D point samplings of implicit functions are less effective when significant variations…

计算机视觉与模式识别 · 计算机科学 2022-02-01 Yixin Zhuang , Yunzhe Liu , Yujie Wang , Baoquan Chen

Generative models aim to learn the distribution of observed data by generating new instances. With the advent of neural networks, deep generative models, including variational autoencoders (VAEs), generative adversarial networks (GANs), and…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Zifan Shi , Sida Peng , Yinghao Xu , Andreas Geiger , Yiyi Liao , Yujun Shen