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Related papers: INV: Towards Streaming Incremental Neural Videos

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Neural radiance fields (NeRF) have achieved impressive performances in view synthesis by encoding neural representations of a scene. However, NeRFs require hundreds of images per scene to synthesize photo-realistic novel views. Training…

Computer Vision and Pattern Recognition · Computer Science 2023-09-15 Nagabhushan Somraj , Rajiv Soundararajan

Immersive video offers the freedom to navigate inside virtualized environment. Instead of streaming the bulky immersive videos entirely, a viewport (also referred to as field of view, FoV) adaptive streaming is preferred. We often stream…

Multimedia · Computer Science 2018-02-19 Shaowei Xie , Qiu Shen , Yiling Xu , Qiaojian Qian , Shaowei Wang , Zhan Ma , Wenjun Zhang

Volumetric videos, benefiting from immersive 3D realism and interactivity, hold vast potential for various applications, while the tremendous data volume poses significant challenges for compression. Recently, NeRF has demonstrated…

Computer Vision and Pattern Recognition · Computer Science 2024-11-11 Zhiyu Zhang , Guo Lu , Huanxiong Liang , Anni Tang , Qiang Hu , Li Song

Neural radiance fields (NeRFs) enable novel view synthesis with unprecedented visual quality. However, to render photorealistic images, NeRFs require hundreds of deep multilayer perceptron (MLP) evaluations - for each pixel. This is…

Computer Vision and Pattern Recognition · Computer Science 2023-04-21 Ziyu Wan , Christian Richardt , Aljaž Božič , Chao Li , Vijay Rengarajan , Seonghyeon Nam , Xiaoyu Xiang , Tuotuo Li , Bo Zhu , Rakesh Ranjan , Jing Liao

In the deep learning era, long video generation of high-quality still remains challenging due to the spatio-temporal complexity and continuity of videos. Existing prior works have attempted to model video distribution by representing videos…

Computer Vision and Pattern Recognition · Computer Science 2022-02-23 Sihyun Yu , Jihoon Tack , Sangwoo Mo , Hyunsu Kim , Junho Kim , Jung-Woo Ha , Jinwoo Shin

NeRF aims to learn a continuous neural scene representation by using a finite set of input images taken from various viewpoints. A well-known limitation of NeRF methods is their reliance on data: the fewer the viewpoints, the higher the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-17 Matteo Bortolon , Alessio Del Bue , Fabio Poiesi

Achieving efficient and consistent localization a prior map remains challenging in robotics. Conventional keyframe-based approaches often suffers from sub-optimal viewpoints due to limited field of view (FOV) and/or constrained motion, thus…

Implicit neural representation (INR) has recently emerged as a promising paradigm for signal representations. Typically, INR is parameterized by a multiplayer perceptron (MLP) which takes the coordinates as the inputs and generates…

Computer Vision and Pattern Recognition · Computer Science 2024-06-07 Zhicheng Cai

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…

Computer Vision and Pattern Recognition · Computer Science 2021-03-29 Peter Hedman , Pratul P. Srinivasan , Ben Mildenhall , Jonathan T. Barron , Paul Debevec

Neural radiance fields (NeRF) have shown great success in modeling 3D scenes and synthesizing novel-view images. However, most previous NeRF methods take much time to optimize one single scene. Explicit data structures, e.g. voxel features,…

Computer Vision and Pattern Recognition · Computer Science 2022-09-27 Jiemin Fang , Taoran Yi , Xinggang Wang , Lingxi Xie , Xiaopeng Zhang , Wenyu Liu , Matthias Nießner , Qi Tian

Video compression technology is essential for transmitting and storing videos. Many video compression methods reduce information in videos by removing high-frequency components and utilizing similarities between frames. Alternatively, the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Taiga Hayami , Hiroshi Watanabe

We introduce a new task, novel view synthesis for LiDAR sensors. While traditional model-based LiDAR simulators with style-transfer neural networks can be applied to render novel views, they fall short of producing accurate and realistic…

Computer Vision and Pattern Recognition · Computer Science 2023-07-17 Tang Tao , Longfei Gao , Guangrun Wang , Yixing Lao , Peng Chen , Hengshuang Zhao , Dayang Hao , Xiaodan Liang , Mathieu Salzmann , Kaicheng Yu

View synthesis methods using implicit continuous shape representations learned from a set of images, such as the Neural Radiance Field (NeRF) method, have gained increasing attention due to their high quality imagery and scalability to high…

Computer Vision and Pattern Recognition · Computer Science 2021-05-20 Guo-Wei Yang , Wen-Yang Zhou , Hao-Yang Peng , Dun Liang , Tai-Jiang Mu , Shi-Min Hu

While existing Neural Radiance Fields (NeRFs) for dynamic scenes are offline methods with an emphasis on visual fidelity, our paper addresses the online use case that prioritises real-time adaptability. We present ParticleNeRF, a new…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Jad Abou-Chakra , Feras Dayoub , Niko Sünderhauf

Neural Radiance Fields (NeRFs) learn to represent a 3D scene from just a set of registered images. Increasing sizes of a scene demands more complex functions, typically represented by neural networks, to capture all details. Training and…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Tim Elsner , Victor Czech , Julia Berger , Zain Selman , Isaak Lim , Leif Kobbelt

In recent years, Neural Radiance Fields (NeRF) have emerged as a powerful tool for 3D reconstruction and novel view synthesis. However, the computational cost of NeRF rendering and degradation in quality due to the presence of artifacts…

Robotics · Computer Science 2024-08-20 Juyeop Han , Lukas Lao Beyer , Guilherme V. Cavalheiro , Sertac Karaman

Pose-free neural radiance fields (NeRF) aim to train NeRF with unposed multi-view images and it has achieved very impressive success in recent years. Most existing works share the pipeline of training a coarse pose estimator with rendered…

Computer Vision and Pattern Recognition · Computer Science 2023-08-30 Jiahui Zhang , Fangneng Zhan , Yingchen Yu , Kunhao Liu , Rongliang Wu , Xiaoqin Zhang , Ling Shao , Shijian Lu

Implicit neural representations (INRs) have emerged as a promising approach for video storage and processing, showing remarkable versatility across various video tasks. However, existing methods often fail to fully leverage their…

Image and Video Processing · Electrical Eng. & Systems 2024-03-19 Xinjie Zhang , Ren Yang , Dailan He , Xingtong Ge , Tongda Xu , Yan Wang , Hongwei Qin , Jun Zhang

Modeling dynamic scenes is important for many applications such as virtual reality and telepresence. Despite achieving unprecedented fidelity for novel view synthesis in dynamic scenes, existing methods based on Neural Radiance Fields…

Computer Vision and Pattern Recognition · Computer Science 2022-06-07 Jia-Wei Liu , Yan-Pei Cao , Weijia Mao , Wenqiao Zhang , David Junhao Zhang , Jussi Keppo , Ying Shan , Xiaohu Qie , Mike Zheng Shou

We propose an application of online hard sample mining for efficient training of Neural Radiance Fields (NeRF). NeRF models produce state-of-the-art quality for many 3D reconstruction and rendering tasks but require substantial…

Computer Vision and Pattern Recognition · Computer Science 2024-08-07 Juuso Korhonen , Goutham Rangu , Hamed R. Tavakoli , Juho Kannala
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