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Despite that convolution neural networks (CNN) have recently demonstrated high-quality reconstruction for video super-resolution (VSR), efficiently training competitive VSR models remains a challenging problem. It usually takes an order of…

计算机视觉与模式识别 · 计算机科学 2022-05-18 Lijian Lin , Xintao Wang , Zhongang Qi , Ying Shan

This paper proposes a technique for efficiently modeling dynamic humans by explicifying the implicit neural fields via a Neural Explicit Surface (NES). Implicit neural fields have advantages over traditional explicit representations in…

计算机视觉与模式识别 · 计算机科学 2023-08-11 Ruiqi Zhang , Jie Chen , Qiang Wang

In this study, we introduce BirdNeRF, an adaptation of Neural Radiance Fields (NeRF) designed specifically for reconstructing large-scale scenes using aerial imagery. Unlike previous research focused on small-scale and object-centric NeRF…

计算机视觉与模式识别 · 计算机科学 2024-02-13 Huiqing Zhang , Yifei Xue , Ming Liao , Yizhen Lao

Event cameras sense the intensity changes asynchronously and produce event streams with high dynamic range and low latency. This has inspired research endeavors utilizing events to guide the challenging video superresolution (VSR) task. In…

计算机视觉与模式识别 · 计算机科学 2023-03-30 Yunfan Lu , Zipeng Wang , Minjie Liu , Hongjian Wang , Lin Wang

The following three factors restrict the application of existing low-light image enhancement methods: unpredictable brightness degradation and noise, inherent gap between metric-favorable and visual-friendly versions, and the limited paired…

计算机视觉与模式识别 · 计算机科学 2023-08-23 Shuzhou Yang , Moxuan Ding , Yanmin Wu , Zihan Li , Jian Zhang

High-resolution (HR) videos play a crucial role in many computer vision applications. Although existing video restoration (VR) methods can significantly enhance video quality by exploiting temporal information across video frames, they are…

计算机视觉与模式识别 · 计算机科学 2025-06-09 Mary Aiyetigbo , Wanqi Yuan , Feng Luo , Nianyi Li

Neural radiance fields provide state-of-the-art view synthesis quality but tend to be slow to render. One reason is that they make use of volume rendering, thus requiring many samples (and model queries) per ray at render time. Although…

计算机视觉与模式识别 · 计算机科学 2024-03-29 Haithem Turki , Vasu Agrawal , Samuel Rota Bulò , Lorenzo Porzi , Peter Kontschieder , Deva Ramanan , Michael Zollhöfer , Christian Richardt

The practical deployment of diffusion-based Neural Video Compression (NVC) faces critical challenges, including severe information loss, prohibitive inference latency, and poor temporal consistency. To bridge this gap, we propose DiffVC-RT,…

计算机视觉与模式识别 · 计算机科学 2026-01-29 Wenzhuo Ma , Zhenzhong Chen

The pursuit of higher compression efficiency continuously drives the advances of video coding technologies. Fundamentally, we wish to find better "predictions" or "priors" that are reconstructed previously to remove the signal dependency…

图像与视频处理 · 电气工程与系统科学 2019-02-22 Haojie Liu , Tong Chen , Ming Lu , Qiu Shen , Zhan Ma

We present EmerNeRF, a simple yet powerful approach for learning spatial-temporal representations of dynamic driving scenes. Grounded in neural fields, EmerNeRF simultaneously captures scene geometry, appearance, motion, and semantics via…

计算机视觉与模式识别 · 计算机科学 2023-11-06 Jiawei Yang , Boris Ivanovic , Or Litany , Xinshuo Weng , Seung Wook Kim , Boyi Li , Tong Che , Danfei Xu , Sanja Fidler , Marco Pavone , Yue Wang

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,…

计算机视觉与模式识别 · 计算机科学 2022-09-27 Jiemin Fang , Taoran Yi , Xinggang Wang , Lingxi Xie , Xiaopeng Zhang , Wenyu Liu , Matthias Nießner , Qi Tian

With the advent of Neural Radiance Fields (NeRF), neural networks can now render novel views of a 3D scene with quality that fools the human eye. Yet, generating these images is very computationally intensive, limiting their applicability…

计算机视觉与模式识别 · 计算机科学 2020-11-26 Daniel Rebain , Wei Jiang , Soroosh Yazdani , Ke Li , Kwang Moo Yi , Andrea Tagliasacchi

Neural Representations for Videos (NeRV) have simplified the video codec process and achieved swift decoding speeds by encoding video content into a neural network, presenting a promising solution for video compression. However, existing…

计算机视觉与模式识别 · 计算机科学 2025-05-01 Li Yu , Zhihui Li , Jimin Xiao , Moncef Gabbouj

Most text-video retrieval methods utilize the text-image pre-trained models like CLIP as a backbone. These methods process each sampled frame independently by the image encoder, resulting in high computational overhead and limiting…

计算机视觉与模式识别 · 计算机科学 2025-03-13 Leqi Shen , Tianxiang Hao , Tao He , Sicheng Zhao , Yifeng Zhang , Pengzhang Liu , Yongjun Bao , Guiguang Ding

This paper proposes a novel approach for rendering a pre-trained Neural Radiance Field (NeRF) in real-time on resource-constrained devices. We introduce Re-ReND, a method enabling Real-time Rendering of NeRFs across Devices. Re-ReND is…

计算机视觉与模式识别 · 计算机科学 2023-03-16 Sara Rojas , Jesus Zarzar , Juan Camilo Perez , Artsiom Sanakoyeu , Ali Thabet , Albert Pumarola , Bernard Ghanem

We introduce a practical real-time neural video codec (NVC) designed to deliver high compression ratio, low latency and broad versatility. In practice, the coding speed of NVCs depends on 1) computational costs, and 2) non-computational…

图像与视频处理 · 电气工程与系统科学 2025-03-19 Zhaoyang Jia , Bin Li , Jiahao Li , Wenxuan Xie , Linfeng Qi , Houqiang Li , Yan Lu

This paper aims to tackle the challenge of efficiently producing interactive free-viewpoint videos. Some recent works equip neural radiance fields with image encoders, enabling them to generalize across scenes. When processing dynamic…

计算机视觉与模式识别 · 计算机科学 2022-11-29 Haotong Lin , Sida Peng , Zhen Xu , Yunzhi Yan , Qing Shuai , Hujun Bao , Xiaowei Zhou

Extensions of Neural Radiance Fields (NeRFs) to model dynamic scenes have enabled their near photo-realistic, free-viewpoint rendering. Although these methods have shown some potential in creating immersive experiences, two drawbacks limit…

计算机视觉与模式识别 · 计算机科学 2024-06-07 Xinhang Liu , Yu-Wing Tai , Chi-Keung Tang , Pedro Miraldo , Suhas Lohit , Moitreya Chatterjee

Applications of Implicit Neural Representations (INRs) have emerged as a promising deep learning approach for compactly representing large volumetric datasets. These models can act as surrogates for volume data, enabling efficient storage…

机器学习 · 计算机科学 2026-01-27 Shanu Saklani , Tushar M. Athawale , Nairita Pal , David Pugmire , Christopher R. Johnson , Soumya Dutta

Generating free-viewpoint videos is critical for immersive VR/AR experience but recent neural advances still lack the editing ability to manipulate the visual perception for large dynamic scenes. To fill this gap, in this paper we propose…

计算机视觉与模式识别 · 计算机科学 2021-05-03 Jiakai Zhang , Xinhang Liu , Xinyi Ye , Fuqiang Zhao , Yanshun Zhang , Minye Wu , Yingliang Zhang , Lan Xu , Jingyi Yu