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Related papers: Unsupervised Discovery of Object Radiance Fields

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3D reconstruction from a single 2D image was extensively covered in the literature but relies on depth supervision at training time, which limits its applicability. To relax the dependence to depth we propose SceneRF, a self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2023-08-28 Anh-Quan Cao , Raoul de Charette

3D instance segmentation is fundamental to geometric understanding of the world around us. Existing methods for instance segmentation of 3D scenes rely on supervision from expensive, manual 3D annotations. We propose UnScene3D, the first…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 David Rozenberszki , Or Litany , Angela Dai

Neural radiance fields (NeRFs) show potential for transforming images captured worldwide into immersive 3D visual experiences. However, most of this captured visual data remains siloed in our camera rolls as these images contain personal…

Computer Vision and Pattern Recognition · Computer Science 2024-04-01 Zaid Tasneem , Akshat Dave , Abhishek Singh , Kushagra Tiwary , Praneeth Vepakomma , Ashok Veeraraghavan , Ramesh Raskar

The goal of self-supervised visual representation learning is to learn strong, transferable image representations, with the majority of research focusing on object or scene level. On the other hand, representation learning at part level has…

Computer Vision and Pattern Recognition · Computer Science 2022-03-22 Subhabrata Choudhury , Iro Laina , Christian Rupprecht , Andrea Vedaldi

We study the problem of unsupervised physical object discovery. While existing frameworks aim to decompose scenes into 2D segments based off each object's appearance, we explore how physics, especially object interactions, facilitates…

Computer Vision and Pattern Recognition · Computer Science 2021-03-24 Yilun Du , Kevin Smith , Tomer Ulman , Joshua Tenenbaum , Jiajun Wu

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

We present Neural Reflectance Fields, a novel deep scene representation that encodes volume density, normal and reflectance properties at any 3D point in a scene using a fully-connected neural network. We combine this representation with a…

Computer Vision and Pattern Recognition · Computer Science 2020-08-18 Sai Bi , Zexiang Xu , Pratul Srinivasan , Ben Mildenhall , Kalyan Sunkavalli , Miloš Hašan , Yannick Hold-Geoffroy , David Kriegman , Ravi Ramamoorthi

Neural Radiance Fields (NeRF) have emerged as a powerful tool for creating highly detailed and photorealistic scenes. Existing methods for NeRF-based 3D style transfer need extensive per-scene optimization for single or multiple styles,…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Adil Meric , Umut Kocasari , Matthias Nießner , Barbara Roessle

The neural implicit representation has shown its effectiveness in novel view synthesis and high-quality 3D reconstruction from multi-view images. However, most approaches focus on holistic scene representation yet ignore individual objects…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Qianyi Wu , Xian Liu , Yuedong Chen , Kejie Li , Chuanxia Zheng , Jianfei Cai , Jianmin Zheng

A fundamental problem faced by object recognition systems is that objects and their features can appear in different locations, scales and orientations. Current deep learning methods attempt to achieve invariance to local translations via…

Computer Vision and Pattern Recognition · Computer Science 2017-12-12 Dimitrios C. Gklezakos , Rajesh P. N. Rao

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

This paper presents a novel approach to learn and detect distinctive regions on 3D shapes. Unlike previous works, which require labeled data, our method is unsupervised. We conduct the analysis on point sets sampled from 3D shapes, then…

Graphics · Computer Science 2020-04-22 Xianzhi Li , Lequan Yu , Chi-Wing Fu , Daniel Cohen-Or , Pheng-Ann Heng

Neural implicit representation of visual scenes has attracted a lot of attention in recent research of computer vision and graphics. Most prior methods focus on how to reconstruct 3D scene representation from a set of images. In this work,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-12 Wenpu Li , Pian Wan , Peng Wang , Jinghang Li , Yi Zhou , Peidong Liu

We present a novel method, called NeuralUDF, for reconstructing surfaces with arbitrary topologies from 2D images via volume rendering. Recent advances in neural rendering based reconstruction have achieved compelling results. However,…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Xiaoxiao Long , Cheng Lin , Lingjie Liu , Yuan Liu , Peng Wang , Christian Theobalt , Taku Komura , Wenping Wang

Efficient and accurate 3D reconstruction is essential for applications in cultural heritage. This study addresses the challenge of visualizing objects within large-scale scenes at a high level of detail (LOD) using Neural Radiance Fields…

Computer Vision and Pattern Recognition · Computer Science 2025-02-19 Quoc-Anh Bui , Gilles Rougeron , Géraldine Morin , Simone Gasparini

Scene flow represents the motion of points in the 3D space, which is the counterpart of the optical flow that represents the motion of pixels in the 2D image. However, it is difficult to obtain the ground truth of scene flow in the real…

Computer Vision and Pattern Recognition · Computer Science 2022-06-09 Guangming Wang , Xiaoyu Tian , Ruiqi Ding , Hesheng Wang

Automatic detecting anomalous regions in images of objects or textures without priors of the anomalies is challenging, especially when the anomalies appear in very small areas of the images, making difficult-to-detect visual variations,…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Jie Yang , Yong Shi , Zhiquan Qi

Neural radiance fields (NeRF) bring a new wave for 3D interactive experiences. However, as an important part of the immersive experiences, the defocus effects have not been fully explored within NeRF. Some recent NeRF-based methods generate…

Computer Vision and Pattern Recognition · Computer Science 2022-08-11 Yinhuai Wang , Shuzhou Yang , Yujie Hu , Jian Zhang

Recently, significant progress has been made in the study of methods for 3D reconstruction from multiple images using implicit neural representations, exemplified by the neural radiance field (NeRF) method. Such methods, which are based on…

Computer Vision and Pattern Recognition · Computer Science 2024-04-19 Wooseok Kim , Taiki Fukiage , Takeshi Oishi

Neural Radiance Fields (NeRFs) have emerged as a popular approach for novel view synthesis. While NeRFs are quickly being adapted for a wider set of applications, intuitively editing NeRF scenes is still an open challenge. One important…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Ashkan Mirzaei , Tristan Aumentado-Armstrong , Konstantinos G. Derpanis , Jonathan Kelly , Marcus A. Brubaker , Igor Gilitschenski , Alex Levinshtein
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