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Arbitrary-scale video super-resolution (AVSR) aims to enhance the resolution of video frames, potentially at various scaling factors, which presents several challenges regarding spatial detail reproduction, temporal consistency, and…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Wei Shang , Dongwei Ren , Wanying Zhang , Yuming Fang , Wangmeng Zuo , Kede Ma

It is shown that one can make use of local instabilities in turbulent video frames to enhance image resolution beyond the limit defined by the image sampling rate. The paper outlines the processing algorithm, presents its experimental…

光学 · 物理学 2009-11-13 L. Yaroslavsky , B. Fishbain , G. Shabat , I. Ideses

Real-time video life streaming of events over a network continued to gain more popularity among the populace. However, there is need to ensure the judicious utilization of allocated bandwidth without compromising the Quality of Service…

计算机视觉与模式识别 · 计算机科学 2024-05-01 Adewale Emmanuel Adedokun , Muhammed Bashir Abdulrazak , Muyideen Momoh Omuya , Habeeb BelloSalau , Bashir Olaniyi Sadiq

In recent years, deep learning has made great progress in many fields such as image recognition, natural language processing, speech recognition and video super-resolution. In this survey, we comprehensively investigate 33 state-of-the-art…

计算机视觉与模式识别 · 计算机科学 2022-03-17 Hongying Liu , Zhubo Ruan , Peng Zhao , Chao Dong , Fanhua Shang , Yuanyuan Liu , Linlin Yang , Radu Timofte

We propose to leverage the local information in image sequences to support global camera relocalization. In contrast to previous methods that regress global poses from single images, we exploit the spatial-temporal consistency in sequential…

计算机视觉与模式识别 · 计算机科学 2019-08-14 Fei Xue , Xin Wang , Zike Yan , Qiuyuan Wang , Junqiu Wang , Hongbin Zha

When a very fast dynamic event is recorded with a low-framerate camera, the resulting video suffers from severe motion blur (due to exposure time) and motion aliasing (due to low sampling rate in time). True Temporal Super-Resolution (TSR)…

计算机视觉与模式识别 · 计算机科学 2020-10-16 Liad Pollak Zuckerman , Eyal Naor , George Pisha , Shai Bagon , Michal Irani

The crux of self-supervised video representation learning is to build general features from unlabeled videos. However, most recent works have mainly focused on high-level semantics and neglected lower-level representations and their…

计算机视觉与模式识别 · 计算机科学 2021-08-18 Rui Qian , Yuxi Li , Huabin Liu , John See , Shuangrui Ding , Xian Liu , Dian Li , Weiyao Lin

Several video understanding tasks, such as natural language temporal video grounding, temporal activity localization, and audio description generation, require "temporally dense" reasoning over frames sampled at high temporal resolution.…

计算机视觉与模式识别 · 计算机科学 2025-09-17 Mattia Soldan , Fabian Caba Heilbron , Bernard Ghanem , Josef Sivic , Bryan Russell

Spatial-Temporal Video Super-Resolution (ST-VSR) technology generates high-quality videos with higher resolution and higher frame rates. Existing advanced methods accomplish ST-VSR tasks through the association of Spatial and Temporal video…

计算机视觉与模式识别 · 计算机科学 2022-07-14 Mengshun Hu , Kui Jiang , Zhixiang Nie , Zheng Wang

Estimation of the frequency and duration of logos in videos is important and challenging in the advertisement industry as a way of estimating the impact of ad purchases. Since logos occupy only a small area in the videos, the popular…

图像与视频处理 · 电气工程与系统科学 2020-05-20 Bochen Guan , Hanrong Ye , Hong Liu , William A. Sethares

Video restoration aims at restoring multiple high-quality frames from multiple low-quality frames. Existing video restoration methods generally fall into two extreme cases, i.e., they either restore all frames in parallel or restore the…

计算机视觉与模式识别 · 计算机科学 2022-11-15 Jingyun Liang , Yuchen Fan , Xiaoyu Xiang , Rakesh Ranjan , Eddy Ilg , Simon Green , Jiezhang Cao , Kai Zhang , Radu Timofte , Luc Van Gool

High-refresh rate displays have become very popular in recent years due to the need for superior visual quality in gaming, professional displays and specialized applications like medical imaging. However, high-refresh rate displays alone do…

计算机视觉与模式识别 · 计算机科学 2024-07-26 Akanksha Dixit , Smruti R. Sarangi

Online processing of compressed videos to increase their resolutions attracts increasing and broad attention. Video Super-Resolution (VSR) using recurrent neural network architecture is a promising solution due to its efficient modeling of…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Hengsheng Zhang , Xueyi Zou , Jiaming Guo , Youliang Yan , Rong Xie , Li Song

Modern video super-resolution (VSR) systems based on convolutional neural networks (CNNs) require huge computational costs. The problem of feature redundancy is present in most models in many domains, but is rarely discussed in VSR. We…

图像与视频处理 · 电气工程与系统科学 2025-05-19 Yutong Guo

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

When applied sequentially to video, frame-based networks often exhibit temporal inconsistency - for example, outputs that flicker between frames. This problem is amplified when the network inputs contain time-varying corruptions. In this…

计算机视觉与模式识别 · 计算机科学 2025-12-03 Matthew Dutson , Nathan Labiosa , Yin Li , Mohit Gupta

We propose a method for generating a temporally remapped video that matches the desired target duration while maximally preserving natural video dynamics. Our approach trains a neural network through self-supervision to recognize and…

计算机视觉与模式识别 · 计算机科学 2022-05-12 Simon Jenni , Markus Woodson , Fabian Caba Heilbron

Video colorization is a challenging and highly ill-posed problem. Although recent years have witnessed remarkable progress in single image colorization, there is relatively less research effort on video colorization and existing methods…

计算机视觉与模式识别 · 计算机科学 2021-10-12 Yihao Liu , Hengyuan Zhao , Kelvin C. K. Chan , Xintao Wang , Chen Change Loy , Yu Qiao , Chao Dong

Video Object Segmentation (VOS) is typically formulated in a semi-supervised setting. Given the ground-truth segmentation mask on the first frame, the task of VOS is to track and segment the single or multiple objects of interests in the…

计算机视觉与模式识别 · 计算机科学 2020-03-16 Kaihua Zhang , Long Wang , Dong Liu , Bo Liu , Qingshan Liu , Zhu Li

Recently, video super resolution (VSR) has become a very impactful task in the area of Computer Vision due to its various applications. In this paper, we propose Recurrent Back-Projection Generative Adversarial Network (RBPGAN) for VSR in…

计算机视觉与模式识别 · 计算机科学 2025-01-06 Marwah Sulaiman , Zahraa Shehabeldin , Israa Fahmy , Mohammed Barakat , Mohammed El-Naggar , Dareen Hussein , Moustafa Youssef , Hesham M. Eraqi