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Markov Random Fields (MRFs), a formulation widely used in generative image modeling, have long been plagued by the lack of expressive power. This issue is primarily due to the fact that conventional MRFs formulations tend to use simplistic…

计算机视觉与模式识别 · 计算机科学 2016-09-08 Zhirong Wu , Dahua Lin , Xiaoou Tang

Neural Radiance Fields (NeRFs) have achieved impressive results in novel view synthesis and surface reconstruction tasks. However, their performance suffers under challenging scenarios with sparse input views. We present CorresNeRF, a novel…

计算机视觉与模式识别 · 计算机科学 2023-12-12 Yixing Lao , Xiaogang Xu , Zhipeng Cai , Xihui Liu , Hengshuang Zhao

Neural Radiance Fields (NeRFs) have demonstrated remarkable capabilities in 3D reconstruction and novel view synthesis. However, most existing NeRF frameworks require complete retraining when new views are introduced incrementally, limiting…

计算机视觉与模式识别 · 计算机科学 2025-11-27 Kriti Ghosh , Devjyoti Chakraborty , Lakshmish Ramaswamy , Suchendra M. Bhandarkar , In Kee Kim , Nancy O'Hare , Deepak Mishra

Representing visual signals with implicit coordinate-based neural networks, as an effective replacement of the traditional discrete signal representation, has gained considerable popularity in computer vision and graphics. In contrast to…

计算机视觉与模式识别 · 计算机科学 2023-04-26 Xin Huang , Qi Zhang , Ying Feng , Hongdong Li , Qing 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 implicit surface representations have emerged as a promising paradigm to capture 3D shapes in a continuous and resolution-independent manner. However, adapting them to articulated shapes is non-trivial. Existing approaches learn a…

计算机视觉与模式识别 · 计算机科学 2021-11-30 Xu Chen , Yufeng Zheng , Michael J. Black , Otmar Hilliges , Andreas Geiger

Object pose estimation is a prominent task in computer vision. The object pose gives the orientation and translation of the object in real-world space, which allows various applications such as manipulation, augmented reality, etc. Various…

计算机视觉与模式识别 · 计算机科学 2024-10-18 Varun Burde , Artem Moroz , Vit Zeman , Pavel Burget

Neural Radiance Field(NeRF) is an novel implicit method to achieve the 3D reconstruction and representation with a high resolution. After the first research of NeRF is proposed, NeRF has gained a robust developing power and is booming in…

计算机视觉与模式识别 · 计算机科学 2024-05-15 Jinwei Lin

Modelling individual objects in a scene as Neural Radiance Fields (NeRFs) provides an alternative geometric scene representation that may benefit downstream robotics tasks such as scene understanding and object manipulation. However, we…

机器人学 · 计算机科学 2022-10-10 Jad Abou-Chakra , Feras Dayoub , Niko Sünderhauf

Virtual Reality (VR) is becoming ubiquitous with the rise of consumer displays and commercial VR platforms. Such displays require low latency and high quality rendering of synthetic imagery with reduced compute overheads. Recent advances in…

图形学 · 计算机科学 2022-07-25 Nianchen Deng , Zhenyi He , Jiannan Ye , Budmonde Duinkharjav , Praneeth Chakravarthula , Xubo Yang , Qi Sun

We present a physics-enhanced implicit neural representation (INR) for ultrasound (US) imaging that learns tissue properties from overlapping US sweeps. Our proposed method leverages a ray-tracing-based neural rendering for novel view US…

图像与视频处理 · 电气工程与系统科学 2023-04-12 Magdalena Wysocki , Mohammad Farid Azampour , Christine Eilers , Benjamin Busam , Mehrdad Salehi , Nassir Navab

Online reconstructing and rendering of large-scale indoor scenes is a long-standing challenge. SLAM-based methods can reconstruct 3D scene geometry progressively in real time but can not render photorealistic results. While NeRF-based…

计算机视觉与模式识别 · 计算机科学 2023-04-19 Yiming Gao , Yan-Pei Cao , Ying Shan

Texture synthesis is a fundamental problem in computer graphics that would benefit various applications. Existing methods are effective in handling 2D image textures. In contrast, many real-world textures contain meso-structure in the 3D…

计算机视觉与模式识别 · 计算机科学 2024-12-16 Yi-Hua Huang , Yan-Pei Cao , Yu-Kun Lai , Ying Shan , Lin Gao

Neural Radiance Fields (NeRF) show impressive performance in photo-realistic free-view rendering of scenes. Recent improvements on the NeRF such as TensoRF and ZipNeRF employ explicit models for faster optimization and rendering, as…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Nagabhushan Somraj , Sai Harsha Mupparaju , Adithyan Karanayil , Rajiv Soundararajan

Neural Radiance Field (NeRF), as an implicit 3D scene representation, lacks inherent ability to accommodate changes made to the initial static scene. If objects are reconfigured, it is difficult to update the NeRF to reflect the new state…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Ziqi Lu , Jianbo Ye , Xiaohan Fei , Xiaolong Li , Jiawei Mo , Ashwin Swaminathan , Stefano Soatto

Recent advances in Neural Fields mostly rely on developing task-specific supervision which often complicates the models. Rather than developing hard-to-combine and specific modules, another approach generally overlooked is to directly…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Doriand Petit , Steve Bourgeois , Dumitru Pavel , Vincent Gay-Bellile , Florian Chabot , Loic Barthe

This article presents a novel undersampled magnetic resonance imaging (MRI) technique that leverages the concept of Neural Radiance Field (NeRF). With radial undersampling, the corresponding imaging problem can be reformulated into an image…

图像与视频处理 · 电气工程与系统科学 2024-03-05 Tae Jun Jang , Chang Min Hyun

In this work, we propose the use of Neural Radiance Fields (NeRF) as a scene representation for visual localization. Recently, NeRF has been employed to enhance pose regression and scene coordinate regression models by augmenting the…

计算机视觉与模式识别 · 计算机科学 2024-08-22 Qunjie Zhou , Maxim Maximov , Or Litany , Laura Leal-Taixé

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

Neural fields, coordinate-based neural networks, have recently gained popularity for implicitly representing a scene. In contrast to classical methods that are based on explicit representations such as point clouds, neural fields provide a…

机器人学 · 计算机科学 2024-02-16 Stephen Hausler , David Hall , Sutharsan Mahendren , Peyman Moghadam