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相关论文: Learning 3D-Aware GANs from Unposed Images with Te…

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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…

计算机视觉与模式识别 · 计算机科学 2023-01-10 Alexander W. Bergman , Petr Kellnhofer , Wang Yifan , Eric R. Chan , David B. Lindell , Gordon Wetzstein

Existing methods for 3D-aware image synthesis largely depend on the 3D pose distribution pre-estimated on the training set. An inaccurate estimation may mislead the model into learning faulty geometry. This work proposes PoF3D that frees…

计算机视觉与模式识别 · 计算机科学 2023-03-24 Zifan Shi , Yujun Shen , Yinghao Xu , Sida Peng , Yiyi Liao , Sheng Guo , Qifeng Chen , Dit-Yan Yeung

Although 3D-aware GANs based on neural radiance fields have achieved competitive performance, their applicability is still limited to objects or scenes with the ground-truths or prediction models for clearly defined canonical camera poses.…

计算机视觉与模式识别 · 计算机科学 2023-07-04 Mijeong Kim , Hyunjoon Lee , Bohyung Han

3D-aware image generative modeling aims to generate 3D-consistent images with explicitly controllable camera poses. Recent works have shown promising results by training neural radiance field (NeRF) generators on unstructured 2D images, but…

计算机视觉与模式识别 · 计算机科学 2022-08-24 Yu Deng , Jiaolong Yang , Jianfeng Xiang , Xin Tong

Recent advances in differentiable rendering have sparked an interest in learning generative models of textured 3D meshes from image collections. These models natively disentangle pose and appearance, enable downstream applications in…

计算机视觉与模式识别 · 计算机科学 2021-08-18 Dario Pavllo , Jonas Kohler , Thomas Hofmann , Aurelien Lucchi

3D-aware generative models have demonstrated their superb performance to generate 3D neural radiance fields (NeRF) from a collection of monocular 2D images even for topology-varying object categories. However, these methods still lack the…

计算机视觉与模式识别 · 计算机科学 2022-09-12 Ziyu Wang , Yu Deng , Jiaolong Yang , Jingyi Yu , Xin Tong

Fully unsupervised 3D representation learning has gained attention owing to its advantages in data collection. A successful approach involves a viewpoint-aware approach that learns an image distribution based on generative models (e.g.,…

计算机视觉与模式识别 · 计算机科学 2022-06-14 Takuhiro Kaneko

Pose-conditioned convolutional generative models struggle with high-quality 3D-consistent image generation from single-view datasets, due to their lack of sufficient 3D priors. Recently, the integration of Neural Radiance Fields (NeRFs) and…

计算机视觉与模式识别 · 计算机科学 2023-07-25 Mohamad Shahbazi , Evangelos Ntavelis , Alessio Tonioni , Edo Collins , Danda Pani Paudel , Martin Danelljan , Luc Van Gool

We cast multiview reconstruction from unknown pose as a generative modeling problem. From a collection of unannotated 2D images of a scene, our approach simultaneously learns both a network to predict camera pose from 2D image input, as…

计算机视觉与模式识别 · 计算机科学 2024-06-12 Xin Yuan , Rana Hanocka , Michael Maire

Generative models have shown great promise in synthesizing photorealistic 3D objects, but they require large amounts of training data. We introduce SinGRAF, a 3D-aware generative model that is trained with a few input images of a single…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Minjung Son , Jeong Joon Park , Leonidas Guibas , Gordon Wetzstein

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

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

While 2D generative adversarial networks have enabled high-resolution image synthesis, they largely lack an understanding of the 3D world and the image formation process. Thus, they do not provide precise control over camera viewpoint or…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Katja Schwarz , Yiyi Liao , Michael Niemeyer , Andreas Geiger

Facial recognition using deep convolutional neural networks relies on the availability of large datasets of face images. Many examples of identities are needed, and for each identity, a large variety of images are needed in order for the…

计算机视觉与模式识别 · 计算机科学 2021-04-01 Richard T. Marriott , Sami Romdhani , Liming Chen

The recent advances in text and image synthesis show a great promise for the future of generative models in creative fields. However, a less explored area is the one of 3D model generation, with a lot of potential applications to game…

计算机视觉与模式识别 · 计算机科学 2023-12-14 Antoine Schnepf , Flavian Vasile , Ugo Tanielian

We study the problem of 3D object generation. We propose a novel framework, namely 3D Generative Adversarial Network (3D-GAN), which generates 3D objects from a probabilistic space by leveraging recent advances in volumetric convolutional…

计算机视觉与模式识别 · 计算机科学 2017-01-05 Jiajun Wu , Chengkai Zhang , Tianfan Xue , William T. Freeman , Joshua B. Tenenbaum

The recent surge in popularity of deep generative models for 3D objects has highlighted the need for more efficient training methods, particularly given the difficulties associated with training with conventional 3D representations, such as…

计算机视觉与模式识别 · 计算机科学 2024-08-23 Adam Kania , Artur Kasymov , Jakub Kościukiewicz , Artur Górak , Marcin Mazur , Maciej Zięba , Przemysław Spurek

This work studies training generative adversarial networks under the federated learning setting. Generative adversarial networks (GANs) have achieved advancement in various real-world applications, such as image editing, style transfer,…

机器学习 · 计算机科学 2020-07-21 Chenyou Fan , Ping Liu

Image blending aims to combine multiple images seamlessly. It remains challenging for existing 2D-based methods, especially when input images are misaligned due to differences in 3D camera poses and object shapes. To tackle these issues, we…

计算机视觉与模式识别 · 计算机科学 2023-08-17 Hyunsu Kim , Gayoung Lee , Yunjey Choi , Jin-Hwa Kim , Jun-Yan Zhu

Neural radiance fields (NeRF) and 3D Gaussian Splatting (3DGS) are popular techniques to reconstruct and render photo-realistic images. However, the pre-requisite of running Structure-from-Motion (SfM) to get camera poses limits their…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Yu Chen , Rolandos Alexandros Potamias , Evangelos Ververas , Jifei Song , Jiankang Deng , Gim Hee Lee
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