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High-fidelity 3D video reconstruction is essential for enabling real-time rendering of dynamic scenes with realistic motion in virtual and augmented reality (VR/AR). The deformation field paradigm of 3D Gaussian splatting has achieved…

Computer Vision and Pattern Recognition · Computer Science 2025-08-01 Zhenyang Li , Xiaoyang Bai , Tongchen Zhang , Pengfei Shen , Weiwei Xu , Yifan Peng

Video super-resolution plays an important role in surveillance video analysis and ultra-high-definition video display, which has drawn much attention in both the research and industrial communities. Although many deep learning-based VSR…

Image and Video Processing · Electrical Eng. & Systems 2020-08-21 Takashi Isobe , Fang Zhu , Xu Jia , Shengjin Wang

Inspired by the facts that retinal cells actually segregate the visual scene into different attributes (e.g., spatial details, temporal motion) for respective neuronal processing, we propose to first decompose the input video into…

Computer Vision and Pattern Recognition · Computer Science 2024-01-17 Ming Lu , Tong Chen , Dandan Ding , Fengqing Zhu , Zhan Ma

Despite the quality improvement brought by the recent methods, video super-resolution (SR) is still very challenging, especially for videos that are low-light and noisy. The current best solution is to subsequently employ best models of…

Computer Vision and Pattern Recognition · Computer Science 2022-12-02 Xiaogang Xu , Ruixing Wang , Chi-Wing Fu , Jiaya Jia

Multi-level features are important for saliency detection. Better combination and use of multi-level features with time information can greatly improve the accuracy of the video saliency model. In order to fully combine multi-level features…

Computer Vision and Pattern Recognition · Computer Science 2021-09-15 Qinyao Chang , Shiping Zhu

Video super-resolution (VSR) and frame interpolation (FI) are traditional computer vision problems, and the performance have been improving by incorporating deep learning recently. In this paper, we investigate the problem of jointly…

Computer Vision and Pattern Recognition · Computer Science 2020-08-11 Jaeyeon Kang , Younghyun Jo , Seoung Wug Oh , Peter Vajda , Seon Joo Kim

In this work, we propose a no-reference video quality assessment method, aiming to achieve high-generalization capability in cross-content, -resolution and -frame rate quality prediction. In particular, we evaluate the quality of a video by…

Image and Video Processing · Electrical Eng. & Systems 2021-06-24 Baoliang Chen , Lingyu Zhu , Guo Li , Hongfei Fan , Shiqi Wang

Neural Implicit Representation (NIR) has recently gained significant attention due to its remarkable ability to encode complex and high-dimensional data into representation space and easily reconstruct it through a trainable mapping…

Computer Vision and Pattern Recognition · Computer Science 2024-02-08 Haeyong Kang , Jaehong Yoon , DaHyun Kim , Sung Ju Hwang , Chang D Yoo

The novel camera architecture facilitates the development of machine vision. Instead of capturing frame sequences in the temporal domain as traditional video cameras, FourierCam directly measures the pixel-wise temporal spectrum of the…

Image and Video Processing · Electrical Eng. & Systems 2020-11-02 Chengyang Hu , Honghao Huang , Minghua Chen , Sigang Yang , Hongwei Chen

We propose a self-supervised visual learning method by predicting the variable playback speeds of a video. Without semantic labels, we learn the spatio-temporal visual representation of the video by leveraging the variations in the visual…

Computer Vision and Pattern Recognition · Computer Science 2021-06-02 Hyeon Cho , Taehoon Kim , Hyung Jin Chang , Wonjun Hwang

Time-aware encoding of frame sequences in a video is a fundamental problem in video understanding. While many attempted to model time in videos, an explicit study on quantifying video time is missing. To fill this lacuna, we aim to evaluate…

Computer Vision and Pattern Recognition · Computer Science 2018-07-19 Amir Ghodrati , Efstratios Gavves , Cees G. M. Snoek

We address the problem of generating video features for action recognition. The spatial pyramid and its variants have been very popular feature models due to their success in balancing spatial location encoding and spatial invariance.…

Computer Vision and Pattern Recognition · Computer Science 2015-10-16 Zhenzhong Lan , Alexander G. Hauptmann

The demand for high-resolution videos has been consistently rising across various domains, propelled by continuous advancements in science, technology, and societal. Nonetheless, challenges arising from limitations in imaging equipment…

Image and Video Processing · Electrical Eng. & Systems 2024-07-25 Congrui Fu , Hui Yuan , Hongji Xu , Hao Zhang , Liquan Shen

Multilayer perceptrons (MLPs) learn high frequencies slowly. Recent approaches encode features in spatial bins to improve speed of learning details, but at the cost of larger model size and loss of continuity. Instead, we propose to encode…

Computer Vision and Pattern Recognition · Computer Science 2022-12-05 Jae Yong Lee , Yuqun Wu , Chuhang Zou , Shenlong Wang , Derek Hoiem

We address the problem of video representation learning without human-annotated labels. While previous efforts address the problem by designing novel self-supervised tasks using video data, the learned features are merely on a…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Jiangliu Wang , Jianbo Jiao , Linchao Bao , Shengfeng He , Yunhui Liu , Wei Liu

This paper introduces a framework for super-resolution of scalable video based on compressive sensing and sparse representation of residual frames in reconnaissance and surveillance applications. We exploit efficient compressive sampling…

Computer Vision and Pattern Recognition · Computer Science 2017-08-01 Mohammad Hossein Moghaddam , Mohammad Javad Azizipour , Saeed Vahidian , Besma Smida

We present the content deformation field CoDeF as a new type of video representation, which consists of a canonical content field aggregating the static contents in the entire video and a temporal deformation field recording the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-13 Hao Ouyang , Qiuyu Wang , Yuxi Xiao , Qingyan Bai , Juntao Zhang , Kecheng Zheng , Xiaowei Zhou , Qifeng Chen , Yujun Shen

Video enhancement is a challenging problem, more than that of stills, mainly due to high computational cost, larger data volumes and the difficulty of achieving consistency in the spatio-temporal domain. In practice, these challenges are…

Image and Video Processing · Electrical Eng. & Systems 2022-12-13 Dario Fuoli , Zhiwu Huang , Danda Pani Paudel , Luc Van Gool , Radu Timofte

Traditional video quality assessment (VQA) methods evaluate localized picture quality and video score is predicted by temporally aggregating frame scores. However, video quality exhibits different characteristics from static image quality…

Image and Video Processing · Electrical Eng. & Systems 2020-03-05 Munan Xu , Junming Chen , Haiqiang Wang , Shan Liu , Ge Li , Zhiqiang Bai

We present a novel approach for super-resolution that utilizes implicit neural representation (INR) to effectively reconstruct and enhance low-resolution videos and images. By leveraging the capacity of neural networks to implicitly encode…

Computer Vision and Pattern Recognition · Computer Science 2025-03-07 Mary Aiyetigbo , Wanqi Yuan , Feng Luo , Nianyi Li