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We present CLIP-NeRF, a multi-modal 3D object manipulation method for neural radiance fields (NeRF). By leveraging the joint language-image embedding space of the recent Contrastive Language-Image Pre-Training (CLIP) model, we propose a…

计算机视觉与模式识别 · 计算机科学 2022-03-03 Can Wang , Menglei Chai , Mingming He , Dongdong Chen , Jing Liao

Obtaining high-quality 3D reconstructions of room-scale scenes is of paramount importance for upcoming applications in AR or VR. These range from mixed reality applications for teleconferencing, virtual measuring, virtual room planing, to…

计算机视觉与模式识别 · 计算机科学 2022-03-16 Dejan Azinović , Ricardo Martin-Brualla , Dan B Goldman , Matthias Nießner , Justus Thies

Neural Radiance Fields (NeRFs) encode the radiance in a scene parameterized by the scene's plenoptic function. This is achieved by using an MLP together with a mapping to a higher-dimensional space, and has been proven to capture scenes…

计算机视觉与模式识别 · 计算机科学 2022-12-08 Siddhant Ranade , Christoph Lassner , Kai Li , Christian Haene , Shen-Chi Chen , Jean-Charles Bazin , Sofien Bouaziz

Neural Radiance Fields (NeRF) achieve impressive view synthesis results for a variety of capture settings, including 360 capture of bounded scenes and forward-facing capture of bounded and unbounded scenes. NeRF fits multi-layer perceptrons…

计算机视觉与模式识别 · 计算机科学 2020-10-23 Kai Zhang , Gernot Riegler , Noah Snavely , Vladlen Koltun

In the past few years, the Generative Adversarial Network (GAN) which proposed in 2014 has achieved great success. GAN has achieved many research results in the field of computer vision and natural language processing. Image steganography…

密码学与安全 · 计算机科学 2019-07-04 Jia Liu , Yan Ke , Yu Lei , Zhuo Zhang , Jun Li , Peng Luo , Minqing Zhang , Xiaoyuan Yang

Neural Radiance Fields (NeRFs) are a very recent and very popular approach for the problems of novel view synthesis and 3D reconstruction. A popular scene representation used by NeRFs is to combine a uniform, voxel-based subdivision of the…

计算机视觉与模式识别 · 计算机科学 2023-08-22 Jonas Kulhanek , Torsten Sattler

The advances in the Neural Radiance Fields (NeRF) research offer extensive applications in diverse domains, but protecting their copyrights has not yet been researched in depth. Recently, NeRF watermarking has been considered one of the…

计算机视觉与模式识别 · 计算机科学 2024-07-15 Youngdong Jang , Dong In Lee , MinHyuk Jang , Jong Wook Kim , Feng Yang , Sangpil Kim

With Neural Radiance Fields (NeRFs) arising as a powerful 3D representation, research has investigated its various downstream tasks, including inpainting NeRFs with 2D images. Despite successful efforts addressing the view consistency and…

图像与视频处理 · 电气工程与系统科学 2025-04-04 Jingyu Shi , Achleshwar Luthra , Jiazhi Li , Xiang Gao , Xiyun Song , Zongfang Lin , David Gu , Heather Yu

Neural volumetric representations such as Neural Radiance Fields (NeRF) have emerged as a compelling technique for learning to represent 3D scenes from images with the goal of rendering photorealistic images of the scene from unobserved…

计算机视觉与模式识别 · 计算机科学 2021-03-29 Peter Hedman , Pratul P. Srinivasan , Ben Mildenhall , Jonathan T. Barron , Paul Debevec

As a neuromorphic sensor with high temporal resolution, spike cameras offer notable advantages over traditional cameras in high-speed vision applications such as high-speed optical estimation, depth estimation, and object tracking. Inspired…

计算机视觉与模式识别 · 计算机科学 2024-03-26 Yijia Guo , Yuanxi Bai , Liwen Hu , Mianzhi Liu , Ziyi Guo , Lei Ma , Tiejun Huang

We present High Dynamic Range Neural Radiance Fields (HDR-NeRF) to recover an HDR radiance field from a set of low dynamic range (LDR) views with different exposures. Using the HDR-NeRF, we are able to generate both novel HDR views and…

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 , Xuan Wang , Qing Wang

In this paper, we introduce an innovative method of safeguarding user privacy against the generative capabilities of Neural Radiance Fields (NeRF) models. Our novel poisoning attack method induces changes to observed views that are…

计算机视觉与模式识别 · 计算机科学 2023-10-06 Yihan Wu , Brandon Y. Feng , Heng Huang

Neural Radiance Fields (NeRF) have revolutionized 3D computer vision and graphics, facilitating novel view synthesis and influencing sectors like extended reality and e-commerce. However, NeRF's dependence on extensive data collection,…

密码学与安全 · 计算机科学 2024-09-04 Bokang Zhang , Yanglin Zhang , Zhikun Zhang , Jinglan Yang , Lingying Huang , Junfeng Wu

Steganography is an information hiding technique in which secret data are secured by covering them into a computer carrier file without damaging the file or changing its size. The difference between steganography and cryptography is that…

密码学与安全 · 计算机科学 2012-12-27 Youssef Bassil

This work investigates the use of Neural implicit representations, specifically Neural Radiance Fields (NeRF), for geometrical queries and motion planning. We show that by adding the capacity to infer occupancy in a radius to a pre-trained…

机器人学 · 计算机科学 2022-05-04 Michael Pantic , Cesar Cadena , Roland Siegwart , Lionel Ott

Neural radiance fields (NeRFs) have enabled high fidelity 3D reconstruction from multiple 2D input views. However, a well-known drawback of NeRFs is the less-than-ideal performance under a small number of views, due to insufficient…

计算机视觉与模式识别 · 计算机科学 2023-03-27 Mikaela Angelina Uy , Ricardo Martin-Brualla , Leonidas Guibas , Ke Li

In this work, we present a new method for 3D face reconstruction from sparse-view RGB images. Unlike previous methods which are built upon 3D morphable models (3DMMs) with limited details, we leverage an implicit representation to encode…

计算机视觉与模式识别 · 计算机科学 2022-10-04 Moran Li , Haibin Huang , Yi Zheng , Mengtian Li , Nong Sang , Chongyang Ma

Recent work (Baluja, 2017) showed that using a pair of deep encoders and decoders, embedding a full-size secret image into a container image of the same size is achieved. This method distributes the information of the secret image across…

密码学与安全 · 计算机科学 2019-01-29 Parisa Babaheidarian , Mark Wallace

Steganography refers to the art of concealing secret messages within multiple media carriers so that an eavesdropper is unable to detect the presence and content of the hidden messages. In this paper, we firstly propose a novel…

密码学与安全 · 计算机科学 2019-06-05 Zheng Li , Ge Han , Yunqing Wei , Shanqing Guo

Recent work on Neural Radiance Fields (NeRF) exploits multi-view 3D consistency, achieving impressive results in 3D scene modeling and high-fidelity novel-view synthesis. However, there are limitations. First, existing methods assume enough…

计算机视觉与模式识别 · 计算机科学 2024-01-09 Mengfei Li , Ming Lu , Xiaofang Li , Shanghang Zhang