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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…

Computer Vision and Pattern Recognition · Computer Science 2022-09-12 Ziyu Wang , Yu Deng , Jiaolong Yang , Jingyi Yu , Xin Tong

Existing 3D-aware image synthesis approaches mainly focus on generating a single canonical object and show limited capacity in composing a complex scene containing a variety of objects. This work presents DisCoScene: a 3Daware generative…

Computer Vision and Pattern Recognition · Computer Science 2022-12-23 Yinghao Xu , Menglei Chai , Zifan Shi , Sida Peng , Ivan Skorokhodov , Aliaksandr Siarohin , Ceyuan Yang , Yujun Shen , Hsin-Ying Lee , Bolei Zhou , Sergey Tulyakov

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

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…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Katja Schwarz , Yiyi Liao , Michael Niemeyer , Andreas Geiger

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…

Computer Vision and Pattern Recognition · Computer Science 2023-07-25 Mohamad Shahbazi , Evangelos Ntavelis , Alessio Tonioni , Edo Collins , Danda Pani Paudel , Martin Danelljan , Luc Van Gool

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…

Computer Vision and Pattern Recognition · Computer Science 2023-04-04 Minjung Son , Jeong Joon Park , Leonidas Guibas , Gordon Wetzstein

We focus on explicitly learning disentangled representation for natural image generation, where the underlying spatial structure and the rendering on the structure can be independently controlled respectively, yet using no tuple…

Machine Learning · Computer Science 2019-10-01 Guang-Yuan Hao , Hong-Xing Yu , Wei-Shi Zheng

Advances in image diffusion models have recently led to notable improvements in the generation of high-quality images. In combination with Neural Radiance Fields (NeRFs), they enabled new opportunities in 3D generation. However, most…

Computer Vision and Pattern Recognition · Computer Science 2024-03-28 Jan-Niklas Dihlmann , Andreas Engelhardt , Hendrik Lensch

Due to the limited model capacity, leveraging distributed Neural Radiance Fields (NeRFs) for modeling extensive urban environments has become a necessity. However, current distributed NeRF registration approaches encounter aliasing…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Baijun Ye , Caiyun Liu , Xiaoyu Ye , Yuantao Chen , Yuhai Wang , Zike Yan , Yongliang Shi , Hao Zhao , Guyue Zhou

We introduce a method to generate 3D scenes that are disentangled into their component objects. This disentanglement is unsupervised, relying only on the knowledge of a large pretrained text-to-image model. Our key insight is that objects…

Computer Vision and Pattern Recognition · Computer Science 2024-02-28 Dave Epstein , Ben Poole , Ben Mildenhall , Alexei A. Efros , Aleksander Holynski

Dynamic scenes rendering is an intriguing yet challenging problem. Although current methods based on NeRF have achieved satisfactory performance, they still can not reach real-time levels. Recently, 3D Gaussian Splatting (3DGS) has garnered…

Computer Vision and Pattern Recognition · Computer Science 2024-11-07 Jiahao Lu , Jiacheng Deng , Ruijie Zhu , Yanzhe Liang , Wenfei Yang , Tianzhu Zhang , Xu Zhou

Learning disentangled representation of data without supervision is an important step towards improving the interpretability of generative models. Despite recent advances in disentangled representation learning, existing approaches often…

Computer Vision and Pattern Recognition · Computer Science 2020-01-14 Wonkwang Lee , Donggyun Kim , Seunghoon Hong , Honglak Lee

Image inpainting techniques have shown promising improvement with the assistance of generative adversarial networks (GANs) recently. However, most of them often suffered from completed results with unreasonable structure or blurriness. To…

Computer Vision and Pattern Recognition · Computer Science 2020-10-06 Zheng Hui , Jie Li , Xiumei Wang , Xinbo Gao

Diffusion models have emerged as the state-of-the-art for image generation, among other tasks. Here, we present an efficient diffusion-based model for 3D-aware generation of neural fields. Our approach pre-processes training data, such as…

Computer Vision and Pattern Recognition · Computer Science 2022-12-01 J. Ryan Shue , Eric Ryan Chan , Ryan Po , Zachary Ankner , Jiajun Wu , Gordon Wetzstein

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…

Computer Vision and Pattern Recognition · Computer Science 2023-08-17 Hyunsu Kim , Gayoung Lee , Yunjey Choi , Jin-Hwa Kim , Jun-Yan Zhu

We present a one-shot method to infer and render a photorealistic 3D representation from a single unposed image (e.g., face portrait) in real-time. Given a single RGB input, our image encoder directly predicts a canonical triplane…

Computer Vision and Pattern Recognition · Computer Science 2023-05-04 Alex Trevithick , Matthew Chan , Michael Stengel , Eric R. Chan , Chao Liu , Zhiding Yu , Sameh Khamis , Manmohan Chandraker , Ravi Ramamoorthi , Koki Nagano

In this paper, we propose DeepDeblurRF, a novel radiance field deblurring approach that can synthesize high-quality novel views from blurred training views with significantly reduced training time. DeepDeblurRF leverages deep neural network…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Haeyun Choi , Heemin Yang , Janghyeok Han , Sunghyun Cho

Deep generative models allow for photorealistic image synthesis at high resolutions. But for many applications, this is not enough: content creation also needs to be controllable. While several recent works investigate how to disentangle…

Computer Vision and Pattern Recognition · Computer Science 2021-04-30 Michael Niemeyer , Andreas Geiger

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

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.…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Qian Wang , Yiqun Wang , Michael Birsak , Peter Wonka
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