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相关论文: Radar Fields: An Extension of Radiance Fields to S…

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Photorealistic simulation plays a crucial role in applications such as autonomous driving, where advances in neural radiance fields (NeRFs) may allow better scalability through the automatic creation of digital 3D assets. However,…

计算机视觉与模式识别 · 计算机科学 2024-05-07 Shanlin Sun , Bingbing Zhuang , Ziyu Jiang , Buyu Liu , Xiaohui Xie , Manmohan Chandraker

Purpose: Neural Radiance Fields (NeRF) offer exceptional capabilities for 3D reconstruction and view synthesis, yet their reliance on extensive multi-view data limits their application in surgical intraoperative settings where only limited…

计算机视觉与模式识别 · 计算机科学 2025-07-02 Alberto Neri , Maximilan Fehrentz , Veronica Penza , Leonardo S. Mattos , Nazim Haouchine

While neural radiance fields (NeRF) led to a breakthrough in photorealistic novel view synthesis, handling mirroring surfaces still denotes a particular challenge as they introduce severe inconsistencies in the scene representation.…

计算机视觉与模式识别 · 计算机科学 2025-01-09 Leif Van Holland , Michael Weinmann , Jan U. Müller , Patrick Stotko , Reinhard Klein

We introduce a transformer-based neural network to generate high-resolution (3km) synthetic radar reflectivity fields at scale from geostationary satellite imagery. This work aims to enhance short-term convective-scale forecasts of…

信号处理 · 电气工程与系统科学 2024-07-02 Jason Stock , Kyle Hilburn , Imme Ebert-Uphoff , Charles Anderson

Dynamic scene representation and reconstruction have undergone transformative advances in recent years, catalyzed by breakthroughs in neural radiance fields and 3D Gaussian splatting techniques. While initially developed for static…

计算机视觉与模式识别 · 计算机科学 2025-05-23 Jinlong Fan , Xuepu Zeng , Jing Zhang , Mingming Gong , Yuxiang Yang , Dacheng Tao

Reflections on glossy objects contain valuable and hidden information about the surrounding environment. By converting these objects into cameras, we can unlock exciting applications, including imaging beyond the camera's field-of-view and…

计算机视觉与模式识别 · 计算机科学 2022-12-13 Kushagra Tiwary , Akshat Dave , Nikhil Behari , Tzofi Klinghoffer , Ashok Veeraraghavan , Ramesh Raskar

Traditional Radiance Field (RF) representations capture details of a specific scene and must be trained afresh on each scene. Semantic feature fields have been added to RFs to facilitate several segmentation tasks. Generalised RF…

计算机视觉与模式识别 · 计算机科学 2024-02-08 Vinayak Gupta , Rahul Goel , Sirikonda Dhawal , P. J. Narayanan

Simulation is an invaluable tool for radio-frequency system designers that enables rapid prototyping of various algorithms for imaging, target detection, classification, and tracking. However, simulating realistic radar scans is a…

计算机视觉与模式识别 · 计算机科学 2024-03-07 Tianshu Huang , John Miller , Akarsh Prabhakara , Tao Jin , Tarana Laroia , Zico Kolter , Anthony Rowe

Recently, Neural Radiance Fields (NeRF) has exhibited significant success in novel view synthesis, surface reconstruction, etc. However, since no physical reflection is considered in its rendering pipeline, NeRF mistakes the reflection in…

计算机视觉与模式识别 · 计算机科学 2023-08-08 Junyi Zeng , Chong Bao , Rui Chen , Zilong Dong , Guofeng Zhang , Hujun Bao , Zhaopeng Cui

A concept of light-fields computed from multiple view images on regular grids has proven its benefit for scene representations, and supported realistic renderings of novel views and photographic effects such as refocusing and shallow depth…

计算机视觉与模式识别 · 计算机科学 2025-10-24 Hyunjun Jung , Hae-Gon Jeon

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…

计算机视觉与模式识别 · 计算机科学 2023-01-10 Alexander W. Bergman , Petr Kellnhofer , Wang Yifan , Eric R. Chan , David B. Lindell , Gordon Wetzstein

Networks of multiple radars are typically used for improving the coverage and tracking accuracy. Recently, such networks have facilitated deployment of commercial radars for civilian applications such as healthcare, gesture recognition,…

信号处理 · 电气工程与系统科学 2020-04-07 S. Hamed Javadi , Alfonso Farina

Neural Radiance Fields or NeRFs have become the representation of choice for problems in view synthesis or image-based rendering, as well as in many other applications across computer graphics and vision, and beyond. At their core, NeRFs…

计算机视觉与模式识别 · 计算机科学 2023-08-22 Ravi Ramamoorthi

Photo-realistic modeling and rendering of fuzzy objects with complex opacity are critical for numerous immersive VR/AR applications, but it suffers from strong view-dependent brightness, color. In this paper, we propose a novel scheme to…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Haimin Luo , Anpei Chen , Qixuan Zhang , Bai Pang , Minye Wu , Lan Xu , Jingyi Yu

Planar scene representations have recently witnessed increased interests for modeling scenes from images, as their lightweight planar structure enables compatibility with image-based models. Notably, K-Planes have gained particular…

计算机视觉与模式识别 · 计算机科学 2025-05-27 Karim Kassab , Antoine Schnepf , Jean-Yves Franceschi , Laurent Caraffa , Jeremie Mary , Valérie Gouet-Brunet

Forward modeling of wave scattering and radar imaging mechanisms is the key to information extraction from synthetic aperture radar (SAR) images. Like inverse graphics in optical domain, an inherently-integrated forward-inverse approach…

计算机视觉与模式识别 · 计算机科学 2022-11-23 Shilei Fu , Feng Xu

Advances in portability and low cost of plenoptic cameras have revived interest in light field imaging. Light-field imaging has evolved into a technology that enables us to capture richer visual information. This high-dimensional…

图像与视频处理 · 电气工程与系统科学 2025-10-10 Sumit Sharma

With the introduction of consumer light field cameras, light field imaging has recently become widespread. However, there is an inherent trade-off between the angular and spatial resolution, and thus, these cameras often sparsely sample in…

计算机视觉与模式识别 · 计算机科学 2016-09-13 Nima Khademi Kalantari , Ting-Chun Wang , Ravi Ramamoorthi

Neural Radiance Fields (NeRF) is a revolutionary approach for rendering scenes by sampling a single ray per pixel and it has demonstrated impressive capabilities in novel-view synthesis from static scene images. However, in practice, we…

计算机视觉与模式识别 · 计算机科学 2023-08-16 Yifan Yang , Shuhai Zhang , Zixiong Huang , Yubing Zhang , Mingkui Tan

Through-wall synthetic aperture radar (SAR) imaging is of significant interest for security purposes, in particular when using multi-static SAR systems consisting of multiple distributed radar transmitters and receivers to improve…

数值分析 · 数学 2024-10-30 Francis Watson , Daniel Andre , William Robert Breckon Lionheart