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While deep learning-based super-resolution (SR) methods have shown impressive outcomes with synthetic degradation scenarios such as bicubic downsampling, they frequently struggle to perform well on real-world images that feature complex,…

Computer Vision and Pattern Recognition · Computer Science 2026-02-05 Hyeonjae Kim , Dongjin Kim , Eugene Jin , Tae Hyun Kim

Pre-trained video generation models hold great potential for generative video super-resolution (VSR). However, adapting them for full-size VSR, as most existing methods do, suffers from unnecessary intensive full-attention computation and…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Shian Du , Menghan Xia , Chang Liu , Xintao Wang , Jing Wang , Pengfei Wan , Di Zhang , Xiangyang Ji

Existing real-world video super-resolution (VSR) methods focus on designing a general degradation pipeline for open-domain videos while ignoring data intrinsic characteristics which strongly limit their performance when applying to some…

Computer Vision and Pattern Recognition · Computer Science 2023-09-21 Zixi Tuo , Huan Yang , Jianlong Fu , Yujie Dun , Xueming Qian

We consider the problem of high-dimensional light field reconstruction and develop a learning-based framework for spatial and angular super-resolution. Many current approaches either require disparity clues or restore the spatial and…

Image and Video Processing · Electrical Eng. & Systems 2020-09-18 Nan Meng , Hayden K. -H. So , Xing Sun , Edmund Y. Lam

Most of the existing works in supervised spatio-temporal video super-resolution (STVSR) heavily rely on a large-scale external dataset consisting of paired low-resolution low-frame rate (LR-LFR)and high-resolution high-frame-rate (HR-HFR)…

Image and Video Processing · Electrical Eng. & Systems 2021-08-09 Akash Gupta , Padmaja Jonnalagedda , Bir Bhanu , Amit K. Roy-Chowdhury

Image super-resolution (SR) is an effective way to enhance the spatial resolution and detail information of remote sensing images, to obtain a superior visual quality. As SR is severely ill-conditioned, effective image priors are necessary…

Computer Vision and Pattern Recognition · Computer Science 2024-12-16 Jing Sun , Huanfeng Shen , Qiangqiang Yuan , Liangpei Zhang

In this paper, we propose a novel video super-resolution method that aims at generating high-fidelity high-resolution (HR) videos from low-resolution (LR) ones. Previous methods predominantly leverage temporal neighbor frames to assist the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-26 Jiyang Yu , Jingen Liu , Liefeng Bo , Tao Mei

The spatio-temporal information among video sequences is significant for video super-resolution (SR). However, the spatio-temporal information cannot be fully used by existing video SR methods since spatial feature extraction and temporal…

Computer Vision and Pattern Recognition · Computer Science 2021-11-29 Xinyi Ying , Longguang Wang , Yingqian Wang , Weidong Sheng , Wei An , Yulan Guo

In this paper, we consider two challenging issues in reference-based super-resolution (RefSR), (i) how to choose a proper reference image, and (ii) how to learn real-world RefSR in a self-supervised manner. Particularly, we present a novel…

Image and Video Processing · Electrical Eng. & Systems 2022-07-21 Zhilu Zhang , Ruohao Wang , Hongzhi Zhang , Yunjin Chen , Wangmeng Zuo

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…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Wei Shang , Dongwei Ren , Wanying Zhang , Yuming Fang , Wangmeng Zuo , Kede Ma

Recent video super-resolution (VSR) approaches use deep neural networks to enhance low-quality input videos and recover visual detail, with diffusion-based methods in particular showing promising results. In this paper, we investigate…

Image and Video Processing · Electrical Eng. & Systems 2026-05-26 Benjamin Herb , Steve Göring , Alexander Raake , Rakesh Rao Ramachandra Rao

The target of space-time video super-resolution (STVSR) is to increase the spatial-temporal resolution of low-resolution (LR) and low frame rate (LFR) videos. Recent approaches based on deep learning have made significant improvements, but…

Computer Vision and Pattern Recognition · Computer Science 2025-09-12 Hai Wang , Xiaoyu Xiang , Yapeng Tian , Wenming Yang , Qingmin Liao

High-resolution (HR) medical videos are vital for accurate diagnosis, yet are hard to acquire due to hardware limitations and physiological constraints. Clinically, the collected low-resolution (LR) medical videos present unique challenges…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Xinyu Liu , Guolei Sun , Cheng Wang , Yixuan Yuan , Ender Konukoglu

Numerous image superresolution (SR) algorithms have been proposed for reconstructing high-resolution (HR) images from input images with lower spatial resolutions. However, effectively evaluating the perceptual quality of SR images remains a…

Image and Video Processing · Electrical Eng. & Systems 2020-04-15 Wei Zhou , Qiuping Jiang , Yuwang Wang , Zhibo Chen , Weiping Li

Methods based on convolutional neural network (CNN) have demonstrated tremendous improvements on single image super-resolution. However, the previous methods mainly restore images from one single area in the low resolution (LR) input, which…

Computer Vision and Pattern Recognition · Computer Science 2017-05-16 Xiaoyi Jia , Xiangmin Xu , Bolun Cai , Kailing Guo

Facial image super-resolution (SR) is an important preprocessing for facial image analysis, face recognition, and image-based 3D face reconstruction. Recent convolutional neural network (CNN) based method has shown excellent performance by…

Computer Vision and Pattern Recognition · Computer Science 2019-12-24 Jung Un Yun , In Kyu Park

Recent advances in image super-resolution (SR) explored the power of deep learning to achieve a better reconstruction performance. However, the feedback mechanism, which commonly exists in human visual system, has not been fully exploited…

Computer Vision and Pattern Recognition · Computer Science 2019-07-01 Zhen Li , Jinglei Yang , Zheng Liu , Xiaomin Yang , Gwanggil Jeon , Wei Wu

In this paper, we address the space-time video super-resolution, which aims at generating a high-resolution (HR) slow-motion video from a low-resolution (LR) and low frame rate (LFR) video sequence. A na\"ive method is to decompose it into…

Computer Vision and Pattern Recognition · Computer Science 2021-04-16 Xiaoyu Xiang , Yapeng Tian , Yulun Zhang , Yun Fu , Jan P. Allebach , Chenliang Xu

Image Super-Resolution (SR) aims to recover a high-resolution image from its low-resolution counterpart, which has been affected by a specific degradation process. This is achieved by enhancing detail and visual quality. Recent advancements…

Computer Vision and Pattern Recognition · Computer Science 2025-01-15 Debasish Dutta , Deepjyoti Chetia , Neeharika Sonowal , Sanjib Kr Kalita

Recent methods for single image super-resolution (SISR) have demonstrated outstanding performance in generating high-resolution (HR) images from low-resolution (LR) images. However, most of these methods show their superiority using…

Computer Vision and Pattern Recognition · Computer Science 2022-08-25 Jun-Sang Yoo , Dong-Wook Kim , Yucheng Lu , Seung-Won Jung