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Neural Radiance Fields (NeRF) are able to reconstruct scenes with unprecedented fidelity, and various recent works have extended NeRF to handle dynamic scenes. A common approach to reconstruct such non-rigid scenes is through the use of a…

计算机视觉与模式识别 · 计算机科学 2021-09-13 Keunhong Park , Utkarsh Sinha , Peter Hedman , Jonathan T. Barron , Sofien Bouaziz , Dan B Goldman , Ricardo Martin-Brualla , Steven M. Seitz

Adopting Neural Radiance Fields (NeRF) to long-duration dynamic sequences has been challenging. Existing methods struggle to balance between quality and storage size and encounter difficulties with complex scene changes such as topological…

计算机视觉与模式识别 · 计算机科学 2023-12-12 Minye Wu , Tinne Tuytelaars

Generating videos is a complex task that is accomplished by generating a set of temporally coherent images frame-by-frame. This limits the expressivity of videos to only image-based operations on the individual video frames needing network…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Bipasha Sen , Aditya Agarwal , Vinay P Namboodiri , C. V. Jawahar

Rendering novel views from captured multi-view images has made considerable progress since the emergence of the neural radiance field. This paper aims to further advance the quality of view synthesis by proposing a novel approach dubbed the…

计算机视觉与模式识别 · 计算机科学 2023-05-30 Kang Han , Wei Xiang

Adaptive bitrate (ABR) using conventional codecs cannot further modify the bitrate once a decision has been made, exhibiting limited adaptation capability. This may result in either overly conservative or overly aggressive bitrate…

图像与视频处理 · 电气工程与系统科学 2024-06-06 Mufan Liu , Le Yang , Yiling Xu , Ye-kui Wang , Jenq-Neng Hwang

Existing codecs are designed to eliminate intrinsic redundancies to create a compact representation for compression. However, strong external priors from Multimodal Large Language Models (MLLMs) have not been explicitly explored in video…

计算机视觉与模式识别 · 计算机科学 2025-02-17 Pingping Zhang , Jinlong Li , Kecheng Chen , Meng Wang , Long Xu , Haoliang Li , Nicu Sebe , Sam Kwong , Shiqi Wang

Existing Neural Radiance Fields (NeRF) methods suffer from the existence of reflective objects, often resulting in blurry or distorted rendering. Instead of calculating a single radiance field, we propose a multi-space neural radiance field…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Ze-Xin Yin , Peng-Yi Jiao , Jiaxiong Qiu , Ming-Ming Cheng , Bo Ren

We have recently seen tremendous progress in the neural advances for photo-real human modeling and rendering. However, it's still challenging to integrate them into an existing mesh-based pipeline for downstream applications. In this paper,…

Long videos, ranging from minutes to hours, present significant challenges for current Multi-modal Large Language Models (MLLMs) due to their complex events, diverse scenes, and long-range dependencies. Direct encoding of such videos is…

计算机视觉与模式识别 · 计算机科学 2026-01-12 Zizhong Li , Haopeng Zhang , Jiawei Zhang

Neural video compression has recently demonstrated significant potential to compete with conventional video codecs in terms of rate-quality performance. These learned video codecs are however associated with various issues related to…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Ge Gao , Ho Man Kwan , Fan Zhang , David Bull

We propose an end-to-end learned video compression scheme for low-latency scenarios. Previous methods are limited in using the previous one frame as reference. Our method introduces the usage of the previous multiple frames as references.…

图像与视频处理 · 电气工程与系统科学 2021-08-02 Jianping Lin , Dong Liu , Houqiang Li , Feng Wu

The enhanced Deep Hierarchical Video Compression-DHVC 2.0-has been introduced. This single-model neural video codec operates across a broad range of bitrates, delivering not only superior compression performance to representative methods…

图像与视频处理 · 电气工程与系统科学 2024-10-04 Ming Lu , Zhihao Duan , Wuyang Cong , Dandan Ding , Fengqing Zhu , Zhan Ma

Reference-guided video editing takes a source video, a text instruction, and a reference image as inputs, requiring the model to faithfully apply the instructed edits while preserving original motion and unedited content. Existing methods…

计算机视觉与模式识别 · 计算机科学 2026-05-27 Tong Wang , Meng Zou , Chengjing Wu , Xiaochao Qu , Luoqi Liu , Xiaolin Hu , Ting Liu

Neural Radiance Field (NeRF)-based volumetric video has revolutionized visual media by delivering photorealistic Free-Viewpoint Video (FVV) experiences that provide audiences with unprecedented immersion and interactivity. However, the…

图像与视频处理 · 电气工程与系统科学 2024-12-17 Qiang Hu , Houqiang Zhong , Zihan Zheng , Xiaoyun Zhang , Zhengxue Cheng , Li Song , Guangtao Zhai , Yanfeng Wang

We present a video decomposition method that facilitates layer-based editing of videos with spatiotemporally varying lighting and motion effects. Our neural model decomposes an input video into multiple layered representations, each…

计算机视觉与模式识别 · 计算机科学 2023-09-26 Cheng-Hung Chan , Cheng-Yang Yuan , Cheng Sun , Hwann-Tzong Chen

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…

计算机视觉与模式识别 · 计算机科学 2024-11-11 Zhiyu Zhang , Guo Lu , Huanxiong Liang , Anni Tang , Qiang Hu , Li Song

Neural Radiance Field (NeRF) has shown impressive performance in novel view synthesis via implicit scene representation. However, it usually suffers from poor scalability as requiring densely sampled images for each new scene. Several…

计算机视觉与模式识别 · 计算机科学 2023-10-27 Muyu Xu , Fangneng Zhan , Jiahui Zhang , Yingchen Yu , Xiaoqin Zhang , Christian Theobalt , Ling Shao , Shijian Lu

Implicit neural representations (INR) has found successful applications across diverse domains. To employ INR in real-life, it is important to speed up training. In the field of INR for video applications, the state-of-the-art approach…

计算机视觉与模式识别 · 计算机科学 2025-05-02 Seungjun Shin , Suji Kim , Dokwan Oh

The success of the state-of-the-art video deblurring methods stems mainly from implicit or explicit estimation of alignment among the adjacent frames for latent video restoration. However, due to the influence of the blur effect, estimating…

图像与视频处理 · 电气工程与系统科学 2021-12-13 Chao Zhu , Hang Dong , Jinshan Pan , Boyang Liang , Yuhao Huang , Lean Fu , Fei Wang

Neural fields (NeRF) have emerged as a promising approach for representing continuous 3D scenes. Nevertheless, the lack of semantic encoding in NeRFs poses a significant challenge for scene decomposition. To address this challenge, we…

计算机视觉与模式识别 · 计算机科学 2024-05-09 Ning Wang , Lefei Zhang , Angel X Chang