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相关论文: NeMF: Neural Motion Fields for Kinematic Animation

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Neural Radiance Fields (NeRFs) have revolutionized the reconstruction of static scenes and objects in 3D, offering unprecedented quality. However, extending NeRFs to model dynamic objects or object articulations remains a challenging…

计算机视觉与模式识别 · 计算机科学 2024-09-11 Archana Swaminathan , Anubhav Gupta , Kamal Gupta , Shishira R. Maiya , Vatsal Agarwal , Abhinav Shrivastava

Accurate spatiotemporal image reconstruction methods are needed for a wide range of biomedical research areas but face challenges due to data incompleteness and computational burden. Data incompleteness arises from the undersampling often…

图像与视频处理 · 电气工程与系统科学 2024-10-10 Luke Lozenski , Refik Mert Cam , Mark D. Pagel , Mark A. Anastasio , Umberto Villa

Articulated objects and their representations pose a difficult problem for robots. These objects require not only representations of geometry and texture, but also of the various connections and joint parameters that make up each…

机器人学 · 计算机科学 2024-09-17 Stanley Lewis , Tom Gao , Odest Chadwicke Jenkins

We propose INFAMOUS-NeRF, an implicit morphable face model that introduces hypernetworks to NeRF to improve the representation power in the presence of many training subjects. At the same time, INFAMOUS-NeRF resolves the classic…

计算机视觉与模式识别 · 计算机科学 2023-12-29 Andrew Hou , Feng Liu , Zhiyuan Ren , Michel Sarkis , Ning Bi , Yiying Tong , Xiaoming Liu

This paper introduces a new learning paradigm termed Neural Metamorphosis (NeuMeta), which aims to build self-morphable neural networks. Contrary to crafting separate models for different architectures or sizes, NeuMeta directly learns the…

计算机视觉与模式识别 · 计算机科学 2024-10-17 Xingyi Yang , Xinchao Wang

We present EmerNeRF, a simple yet powerful approach for learning spatial-temporal representations of dynamic driving scenes. Grounded in neural fields, EmerNeRF simultaneously captures scene geometry, appearance, motion, and semantics via…

计算机视觉与模式识别 · 计算机科学 2023-11-06 Jiawei Yang , Boris Ivanovic , Or Litany , Xinshuo Weng , Seung Wook Kim , Boyi Li , Tong Che , Danfei Xu , Sanja Fidler , Marco Pavone , Yue Wang

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,…

计算机视觉与模式识别 · 计算机科学 2024-09-12 Wenpu Li , Pian Wan , Peng Wang , Jinghang Li , Yi Zhou , Peidong Liu

Neural fields, a category of neural networks trained to represent high-frequency signals, have gained significant attention in recent years due to their impressive performance in modeling complex 3D data, such as signed distance (SDFs) or…

计算机视觉与模式识别 · 计算机科学 2024-02-13 Marko Mihajlovic , Sergey Prokudin , Marc Pollefeys , Siyu Tang

Systems of interacting objects often evolve under the influence of field effects that govern their dynamics, yet previous works have abstracted away from such effects, and assume that systems evolve in a vacuum. In this work, we focus on…

机器学习 · 计算机科学 2024-03-21 Miltiadis Kofinas , Erik J. Bekkers , Naveen Shankar Nagaraja , Efstratios Gavves

We present NeRFVS, a novel neural radiance fields (NeRF) based method to enable free navigation in a room. NeRF achieves impressive performance in rendering images for novel views similar to the input views while suffering for novel views…

计算机视觉与模式识别 · 计算机科学 2023-05-24 Chen Yang , Peihao Li , Zanwei Zhou , Shanxin Yuan , Bingbing Liu , Xiaokang Yang , Weichao Qiu , Wei Shen

Mobile robots require comprehensive scene understanding to operate effectively in diverse environments, enriched with contextual information such as layouts, objects, and their relationships. Although advances like neural radiation fields…

机器人学 · 计算机科学 2024-12-30 Jiawei Hou , Wenhao Guan , Longfei Liang , Jianfeng Feng , Xiangyang Xue , Taiping Zeng

Recent neural networks based surface reconstruction can be roughly divided into two categories, one warping templates explicitly and the other representing 3D surfaces implicitly. To enjoy the advantages of both, we propose a novel 3D…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Xianghui Yang , Guosheng Lin , Zhenghao Chen , Luping Zhou

We propose novel motion representations for animating articulated objects consisting of distinct parts. In a completely unsupervised manner, our method identifies object parts, tracks them in a driving video, and infers their motions by…

计算机视觉与模式识别 · 计算机科学 2021-04-26 Aliaksandr Siarohin , Oliver J. Woodford , Jian Ren , Menglei Chai , Sergey Tulyakov

Autonomous driving requires efficient reasoning about the Spatio-temporal nature of the semantics of the scene. Recent approaches have successfully amalgamated the traditional modular architecture of an autonomous driving stack comprising…

计算机视觉与模式识别 · 计算机科学 2022-05-12 Unnikrishnan R. Nair , Sarthak Sharma , Midhun S. Menon , Srikanth Vidapanakal

Time-resolved three-dimensional flow MRI (4D flow MRI) provides a unique non-invasive solution to visualize and quantify hemodynamics in blood vessels such as the aortic arch. However, most current analysis methods for arterial 4D flow MRI…

计算机视觉与模式识别 · 计算机科学 2024-07-31 Simone Garzia , Patryk Rygiel , Sven Dummer , Filippo Cademartiri , Simona Celi , Jelmer M. Wolterink

Neural fields, which represent signals as a function parameterized by a neural network, are a promising alternative to traditional discrete vector or grid-based representations. Compared to discrete representations, neural representations…

机器学习 · 计算机科学 2023-09-14 Jeffrey Gu , Kuan-Chieh Wang , Serena Yeung

Neural Radiance Fields (NeRF) are compelling techniques for modeling dynamic 3D scenes from 2D image collections. These volumetric representations would be well suited for synthesizing novel facial expressions but for two problems. First,…

计算机视觉与模式识别 · 计算机科学 2022-11-17 Heng Yu , Koichiro Niinuma , Laszlo A. Jeni

Traditional methods for motion estimation estimate the motion field F between a pair of images as the one that minimizes a predesigned cost function. In this paper, we propose a direct method and train a Convolutional Neural Network (CNN)…

计算机视觉与模式识别 · 计算机科学 2016-01-25 Aria Ahmadi , Ioannis Patras

We introduce a novel framework that learns a dynamic neural radiance field (NeRF) for full-body talking humans from monocular videos. Prior work represents only the body pose or the face. However, humans communicate with their full body,…

计算机视觉与模式识别 · 计算机科学 2024-09-26 Aggelina Chatziagapi , Bindita Chaudhuri , Amit Kumar , Rakesh Ranjan , Dimitris Samaras , Nikolaos Sarafianos

We propose a novel visual re-localization method based on direct matching between the implicit 3D descriptors and the 2D image with transformer. A conditional neural radiance field(NeRF) is chosen as the 3D scene representation in our…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Jianlin Liu , Qiang Nie , Yong Liu , Chengjie Wang