中文
相关论文

相关论文: Geo-NI: Geometry-aware Neural Interpolation for Li…

200 篇论文

Neural implicit functions have emerged as a powerful representation for surfaces in 3D. Such a function can encode a high quality surface with intricate details into the parameters of a deep neural network. However, optimizing for the…

计算机视觉与模式识别 · 计算机科学 2021-04-13 Wang Yifan , Shihao Wu , Cengiz Oztireli , Olga Sorkine-Hornung

We present a physics-based inverse rendering method that learns the illumination, geometry, and materials of a scene from posed multi-view RGB images. To model the illumination of a scene, existing inverse rendering works either completely…

计算机视觉与模式识别 · 计算机科学 2023-12-04 Youming Deng , Xueting Li , Sifei Liu , Ming-Hsuan Yang

We present a novel convolutional neural network architecture for photometric stereo (Woodham, 1980), a problem of recovering 3D object surface normals from multiple images observed under varying illuminations. Despite its long history in…

计算机视觉与模式识别 · 计算机科学 2018-05-30 Tatsunori Taniai , Takanori Maehara

We suggest to represent an X-Field -a set of 2D images taken across different view, time or illumination conditions, i.e., video, light field, reflectance fields or combinations thereof-by learning a neural network (NN) to map their view,…

计算机视觉与模式识别 · 计算机科学 2020-10-02 Mojtaba Bemana , Karol Myszkowski , Hans-Peter Seidel , Tobias Ritschel

Learning accurate scene reconstruction without pose priors in neural radiance fields is challenging due to inherent geometric ambiguity. Recent development either relies on correspondence priors for regularization or uses off-the-shelf flow…

计算机视觉与模式识别 · 计算机科学 2025-03-14 Xunzhi Zheng , Dan Xu

We present a simple yet powerful neural network that implicitly represents and renders 3D objects and scenes only from 2D observations. The network models 3D geometries as a general radiance field, which takes a set of 2D images with camera…

计算机视觉与模式识别 · 计算机科学 2021-08-12 Alex Trevithick , Bo Yang

Neural Radiance Fields (NeRF) are able to reconstruct scenes with unprecedented fidelity, and various recent works have extended NeRF to handle dynamic scenes. A common approach to reconstruct such non-rigid scenes is through the use of a…

计算机视觉与模式识别 · 计算机科学 2021-09-13 Keunhong Park , Utkarsh Sinha , Peter Hedman , Jonathan T. Barron , Sofien Bouaziz , Dan B Goldman , Ricardo Martin-Brualla , Steven M. Seitz

We represent the ResNeRF, a novel geometry-guided two-stage framework for indoor scene novel view synthesis. Be aware of that a good geometry would greatly boost the performance of novel view synthesis, and to avoid the geometry ambiguity…

计算机视觉与模式识别 · 计算机科学 2023-07-12 Yuting Xiao , Yiqun Zhao , Yanyu Xu , Shenghua Gao

We present a novel approach for digitizing real-world objects by estimating their geometry, material properties, and environmental lighting from a set of posed images with fixed lighting. Our method incorporates into Neural Radiance Field…

计算机视觉与模式识别 · 计算机科学 2023-11-29 Jesus Zarzar , Bernard Ghanem

Implicit neural representations, represented by Neural Radiance Fields (NeRF), have dominated research in 3D computer vision by virtue of high-quality visual results and data-driven benefits. However, their realistic applications are…

计算机视觉与模式识别 · 计算机科学 2024-05-28 Yaokun Li , Chao Gou , Guang Tan

In recent years, the field of implicit neural representation has progressed significantly. Models such as neural radiance fields (NeRF), which uses relatively small neural networks, can represent high-quality scenes and achieve…

计算机视觉与模式识别 · 计算机科学 2022-04-01 David Dadon , Ohad Fried , Yacov Hel-Or

Current methods for extracting intrinsic image components, such as reflectance and shading, primarily rely on statistical priors. These methods focus mainly on simple synthetic scenes and isolated objects and struggle to perform well on…

计算机视觉与模式识别 · 计算机科学 2024-11-27 Yixiong Yang , Shilin Hu , Haoyu Wu , Ramon Baldrich , Dimitris Samaras , Maria Vanrell

Neural Radiance Fields (NeRF) have shown remarkable success in image novel view synthesis (NVS), inspiring extensions to LiDAR NVS. However, most methods heavily rely on accurate camera poses for scene reconstruction. The sparsity and…

计算机视觉与模式识别 · 计算机科学 2026-03-16 Yinuo Jiang , Jun Cheng , Yiran Wang , Cheng Cheng

In this work, we focus on synthesizing high-fidelity novel view images for arbitrary human performers, given a set of sparse multi-view images. It is a challenging task due to the large variation among articulated body poses and heavy…

计算机视觉与模式识别 · 计算机科学 2023-03-27 Jianchuan Chen , Wentao Yi , Liqian Ma , Xu Jia , Huchuan Lu

Augmented Reality (AR) applications necessitates methods of inserting needed objects into scenes captured by cameras in a way that is coherent with the surroundings. Common AR applications require the insertion of predefined 3D objects with…

计算机视觉与模式识别 · 计算机科学 2024-01-29 Fouad Afiouni , Mohamad Fakih , Joey Sleiman

We aim to improve the Inverted Neural Radiance Fields (iNeRF) algorithm which defines the image pose estimation problem as a NeRF based iterative linear optimization. NeRFs are novel neural space representation models that can synthesize…

计算机视觉与模式识别 · 计算机科学 2023-10-06 Ágoston István Csehi , Csaba Máté Józsa

Recently, methods for neural surface representation and rendering, for example NeuS, have shown that learning neural implicit surfaces through volume rendering is becoming increasingly popular and making good progress. However, these…

计算机视觉与模式识别 · 计算机科学 2023-03-31 Hanqi Jiang , Cheng Zeng , Runnan Chen , Shuai Liang , Yinhe Han , Yichao Gao , Conglin Wang

Although recent efforts have extended Neural Radiance Fields (NeRF) into LiDAR point cloud synthesis, the majority of existing works exhibit a strong dependence on precomputed poses. However, point cloud registration methods struggle to…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Weiyi Xue , Zehan Zheng , Fan Lu , Haiyun Wei , Guang Chen , Changjun Jiang

Neural Radiance Fields (NeRF) have shown impressive performance in novel view synthesis, but challenges remain in rendering scenes with complex specular reflections and highlights. Existing approaches may produce blurry reflections due to…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Wenpeng Xing , Jie Chen , Zaifeng Yang , Tiancheng Zhao , Gaolei Li , Changting Lin , Yike Guo , Meng Han

Recently, deep learning approaches have been extensively investigated to reconstruct images from accelerated magnetic resonance image (MRI) acquisition. Although these approaches provide significant performance gain compared to compressed…

计算机视觉与模式识别 · 计算机科学 2020-10-28 Eunju Cha , Gyutaek Oh , Jong Chul Ye