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Object recognition has seen significant progress in the image domain, with focus primarily on 2D perception. We propose to leverage existing large-scale datasets of 3D models to understand the underlying 3D structure of objects seen in an…

计算机视觉与模式识别 · 计算机科学 2020-07-28 Weicheng Kuo , Anelia Angelova , Tsung-Yi Lin , Angela Dai

Unsupervised learning of 3D human faces from unstructured 2D image data is an active research area. While recent works have achieved an impressive level of photorealism, they commonly lack control of lighting, which prevents the generated…

计算机视觉与模式识别 · 计算机科学 2023-04-27 Boyang Deng , Yifan Wang , Gordon Wetzstein

We present BlockGAN, an image generative model that learns object-aware 3D scene representations directly from unlabelled 2D images. Current work on scene representation learning either ignores scene background or treats the whole scene as…

计算机视觉与模式识别 · 计算机科学 2020-12-03 Thu Nguyen-Phuoc , Christian Richardt , Long Mai , Yong-Liang Yang , Niloy Mitra

3D-aware image synthesis aims at learning a generative model that can render photo-realistic 2D images while capturing decent underlying 3D shapes. A popular solution is to adopt the generative adversarial network (GAN) and replace the…

计算机视觉与模式识别 · 计算机科学 2022-10-03 Zifan Shi , Yinghao Xu , Yujun Shen , Deli Zhao , Qifeng Chen , Dit-Yan Yeung

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,…

计算机视觉与模式识别 · 计算机科学 2020-05-26 Atsuhiro Noguchi , Tatsuya Harada

Making generative models 3D-aware bridges the 2D image space and the 3D physical world yet remains challenging. Recent attempts equip a Generative Adversarial Network (GAN) with a Neural Radiance Field (NeRF), which maps 3D coordinates to…

计算机视觉与模式识别 · 计算机科学 2022-04-19 Yinghao Xu , Sida Peng , Ceyuan Yang , Yujun Shen , Bolei Zhou

In this paper, we propose a novel 3D-RecGAN approach, which reconstructs the complete 3D structure of a given object from a single arbitrary depth view using generative adversarial networks. Unlike the existing work which typically requires…

计算机视觉与模式识别 · 计算机科学 2017-08-29 Bo Yang , Hongkai Wen , Sen Wang , Ronald Clark , Andrew Markham , Niki Trigoni

3D-aware image synthesis has attracted increasing interest as it models the 3D nature of our real world. However, performing realistic object-level editing of the generated images in the multi-object scenario still remains a challenge.…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Qian Wang , Yiqun Wang , Michael Birsak , Peter Wonka

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…

计算机视觉与模式识别 · 计算机科学 2019-10-02 Attila Szabó , Givi Meishvili , Paolo Favaro

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…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Yiran Xu , Zhixin Shu , Cameron Smith , Seoung Wug Oh , Jia-Bin Huang

This paper describes a new approach for training generative adversarial networks (GAN) to understand the detailed 3D shape of objects. While GANs have been used in this domain previously, they are notoriously hard to train, especially for…

计算机视觉与模式识别 · 计算机科学 2017-11-01 Edward Smith , David Meger

Image synthesis via Generative Adversarial Networks (GANs) of three-dimensional (3D) medical images has great potential that can be extended to many medical applications, such as, image enhancement and disease progression modeling. However,…

图像与视频处理 · 电气工程与系统科学 2021-07-22 Sungmin Hong , Razvan Marinescu , Adrian V. Dalca , Anna K. Bonkhoff , Martin Bretzner , Natalia S. Rost , Polina Golland

We propose DiscoFaceGAN, an approach for face image generation of virtual people with disentangled, precisely-controllable latent representations for identity of non-existing people, expression, pose, and illumination. We embed 3D priors…

计算机视觉与模式识别 · 计算机科学 2020-09-07 Yu Deng , Jiaolong Yang , Dong Chen , Fang Wen , Xin Tong

3D-aware generative adversarial networks (GANs) synthesize high-fidelity and multi-view-consistent facial images using only collections of single-view 2D imagery. Towards fine-grained control over facial attributes, recent efforts…

计算机视觉与模式识别 · 计算机科学 2023-03-14 Jingxiang Sun , Xuan Wang , Lizhen Wang , Xiaoyu Li , Yong Zhang , Hongwen Zhang , Yebin Liu

In this paper, we present an approach for combining non-rigid structure-from-motion (NRSfM) with deep generative models,and propose an efficient framework for discovering trajectories in the latent space of 2D GANs corresponding to changes…

计算机视觉与模式识别 · 计算机科学 2022-11-15 René Haas , Stella Graßhof , Sami S. Brandt

Unsupervised generation of high-quality multi-view-consistent images and 3D shapes using only collections of single-view 2D photographs has been a long-standing challenge. Existing 3D GANs are either compute-intensive or make approximations…

We present an algorithm that learns a coarse 3D representation of objects from unposed multi-view 2D mask supervision, then uses it to generate detailed mask and image texture. In contrast to existing voxel-based methods for unposed object…

计算机视觉与模式识别 · 计算机科学 2021-06-25 Youssef A. Mejjati , Isa Milefchik , Aaron Gokaslan , Oliver Wang , Kwang In Kim , James Tompkin

Reconstructing the 3D geometry of an object from an image is a major challenge in computer vision. Recently introduced differentiable renderers can be leveraged to learn the 3D geometry of objects from 2D images, but those approaches…

计算机视觉与模式识别 · 计算机科学 2021-10-22 Felix Petersen , Bastian Goldluecke , Oliver Deussen , Hilde Kuehne

From a single image, humans are able to perceive the full 3D shape of an object by exploiting learned shape priors from everyday life. Contemporary single-image 3D reconstruction algorithms aim to solve this task in a similar fashion, but…

计算机视觉与模式识别 · 计算机科学 2018-12-31 Xiuming Zhang , Zhoutong Zhang , Chengkai Zhang , Joshua B. Tenenbaum , William T. Freeman , Jiajun Wu

A key goal of computer vision is to recover the underlying 3D structure from 2D observations of the world. In this paper we learn strong deep generative models of 3D structures, and recover these structures from 3D and 2D images via…

计算机视觉与模式识别 · 计算机科学 2018-06-20 Danilo Jimenez Rezende , S. M. Ali Eslami , Shakir Mohamed , Peter Battaglia , Max Jaderberg , Nicolas Heess