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A single rolling-shutter (RS) image may be viewed as a row-wise combination of a sequence of global-shutter (GS) images captured by a (virtual) moving GS camera within the exposure duration. Although RS cameras are widely used, the RS…

计算机视觉与模式识别 · 计算机科学 2022-10-07 Bin Fan , Yuchao Dai , Hongdong Li

Single Image Super-Resolution (SISR) aims to generate a high-resolution (HR) image of a given low-resolution (LR) image. The most of existing convolutional neural network (CNN) based SISR methods usually take an assumption that a LR image…

图像与视频处理 · 电气工程与系统科学 2019-09-10 Rao Muhammad Umer , Gian Luca Foresti , Christian Micheloni

The problem of blind image super-resolution aims to recover high-resolution (HR) images from low-resolution (LR) images with unknown degradation modes. Most existing methods model the image degradation process using blur kernels. However,…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Junxiong Lin , Zeng Tao , Xuan Tong , Xinji Mai , Haoran Wang , Boyang Wang , Yan Wang , Qing Zhao , Jiawen Yu , Yuxuan Lin , Shaoqi Yan , Shuyong Gao , Wenqiang Zhang

Super-resolution (SR) has garnered significant attention within the computer vision community, driven by advances in deep learning (DL) techniques and the growing demand for high-quality visual applications. With the expansion of this…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Le Zhang , Ao Li , Qibin Hou , Ce Zhu , Yonina C. Eldar

Video deblurring relies on leveraging information from other frames in the video sequence to restore the blurred regions in the current frame. Mainstream approaches employ bidirectional feature propagation, spatio-temporal transformers, or…

计算机视觉与模式识别 · 计算机科学 2024-06-12 Huicong Zhang , Haozhe Xie , Hongxun Yao

Diffusion models, known for their powerful generative capabilities, play a crucial role in addressing real-world super-resolution challenges. However, these models often focus on improving local textures while neglecting the impacts of…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Chunyang Bi , Xin Luo , Sheng Shen , Mengxi Zhang , Huanjing Yue , Jingyu Yang

While researches on model-based blind single image super-resolution (SISR) have achieved tremendous successes recently, most of them do not consider the image degradation sufficiently. Firstly, they always assume image noise obeys an…

计算机视觉与模式识别 · 计算机科学 2022-03-17 Zongsheng Yue , Qian Zhao , Jianwen Xie , Lei Zhang , Deyu Meng , Kwan-Yee K. Wong

This paper aims at exploring how to synthesize close-to-real blurs that existing video deblurring models trained on them can generalize well to real-world blurry videos. In recent years, deep learning-based approaches have achieved…

计算机视觉与模式识别 · 计算机科学 2022-08-30 Mingdeng Cao , Zhihang Zhong , Yanbo Fan , Jiahao Wang , Yong Zhang , Jue Wang , Yujiu Yang , Yinqiang Zheng

Super-resolution (SR) is an ill-posed problem, which means that infinitely many high-resolution (HR) images can be degraded to the same low-resolution (LR) image. To study the one-to-many stochastic SR mapping, we implicitly represent the…

计算机视觉与模式识别 · 计算机科学 2021-04-20 Hangqi Zhou , Chao Huang , Shangqi Gao , Xiahai Zhuang

Video super-resolution, which attempts to reconstruct high-resolution video frames from their corresponding low-resolution versions, has received increasingly more attention in recent years. Most existing approaches opt to use deformable…

计算机视觉与模式识别 · 计算机科学 2020-10-02 Xuan Xu , Xin Xiong , Jinge Wang , Xin Li

In smartphones and compact cameras, the Image Signal Processor (ISP) transforms the RAW sensor image into a human-readable sRGB image. Most popular super-resolution methods depart from a sRGB image and upscale it further, improving its…

图像与视频处理 · 电气工程与系统科学 2023-12-27 Marcos V. Conde , Florin Vasluianu , Radu Timofte

Deep-learning based Super-Resolution (SR) methods have exhibited promising performance under non-blind setting where blur kernel is known. However, blur kernels of Low-Resolution (LR) images in different practical applications are usually…

计算机视觉与模式识别 · 计算机科学 2021-10-26 Guangpin Tao , Xiaozhong Ji , Wenzhuo Wang , Shuo Chen , Chuming Lin , Yun Cao , Tong Lu , Donghao Luo , Ying Tai

Video super-resolution (VSR) technology excels in reconstructing low-quality video, avoiding unpleasant blur effect caused by interpolation-based algorithms. However, vast computation complexity and memory occupation hampers the edge of…

计算机视觉与模式识别 · 计算机科学 2021-07-15 Yanpeng Cao , Chengcheng Wang , Changjun Song , Yongming Tang , He Li

Super-resolution (SR) has been widely used to convert low-resolution legacy videos to high-resolution (HR) ones, to suit the increasing resolution of displays (e.g. UHD TVs). However, it becomes easier for humans to notice motion artifacts…

计算机视觉与模式识别 · 计算机科学 2022-02-08 Soo Ye Kim , Jihyong Oh , Munchurl Kim

Previous methods decompose blind super resolution (SR) problem into two sequential steps: \textit{i}) estimating blur kernel from given low-resolution (LR) image and \textit{ii}) restoring SR image based on estimated kernel. This two-step…

计算机视觉与模式识别 · 计算机科学 2020-11-26 Zhengxiong Luo , Yan Huang , Shang Li , Liang Wang , Tieniu Tan

Single Image Super-Resolution (SISR) is one of the low-level computer vision problems that has received increased attention in the last few years. Current approaches are primarily based on harnessing the power of deep learning models and…

计算机视觉与模式识别 · 计算机科学 2021-05-19 Santiago López-Tapia , Nicolás Pérez de la Blanca

Shooting video with handheld shooting devices often results in blurry frames due to shaking hands and other instability factors. Although previous video deblurring methods have achieved impressive progress, they still struggle to perform…

计算机视觉与模式识别 · 计算机科学 2026-04-13 Honglei Xu , Zhilu Zhang , Junjie Fan , Xiaohe Wu , Wangmeng Zuo

In this paper, we explore the space-time video super-resolution task, which aims to generate a high-resolution (HR) slow-motion video from a low frame rate (LFR), low-resolution (LR) video. A simple solution is to split it into two…

计算机视觉与模式识别 · 计算机科学 2020-02-27 Xiaoyu Xiang , Yapeng Tian , Yulun Zhang , Yun Fu , Jan P. Allebach , Chenliang Xu

Super-Resolution from a single motion Blurred image (SRB) is a severely ill-posed problem due to the joint degradation of motion blurs and low spatial resolution. In this paper, we employ events to alleviate the burden of SRB and propose an…

计算机视觉与模式识别 · 计算机科学 2023-02-28 Lei Yu , Bishan Wang , Xiang Zhang , Haijian Zhang , Wen Yang , Jianzhuang Liu , Gui-Song Xia

Continuous Spatio-Temporal Video Super-Resolution (C-STVSR) aims to simultaneously enhance the spatial resolution and frame rate of videos by arbitrary scale factors, offering greater flexibility than fixed-scale methods that are…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Mingyu Shi , Xin Di , Long Peng , Boxiang Cao , Anran Wu , Zhanfeng Feng , Jiaming Guo , Renjing Pei , Xueyang Fu , Yang Cao , Zhengjun Zha