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State-of-the-art super-resolution (SR) algorithms require significant computational resources to achieve real-time throughput (e.g., 60Mpixels/s for HD video). This paper introduces FAST (Free Adaptive Super-resolution via Transfer), a…

Computer Vision and Pattern Recognition · Computer Science 2017-08-18 Zhengdong Zhang , Vivienne Sze

In recent years, real image super-resolution (SR) has achieved promising results due to the development of SR datasets and corresponding real SR methods. In contrast, the field of real video SR is lagging behind, especially for real raw…

Computer Vision and Pattern Recognition · Computer Science 2022-09-27 Huanjing Yue , Zhiming Zhang , Jingyu Yang

Convolutional Neural Networks (CNNs) have significantly advanced Image Super-Resolution (SR), yet most CNN-based methods rely solely on pixel-based transformations, often leading to artifacts and blurring, particularly under severe…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Bingwen Hu , Heng Liu , Zhedong Zheng , Ping Liu

Scene text recognition has witnessed rapid development with the advance of convolutional neural networks. Nonetheless, most of the previous methods may not work well in recognizing text with low resolution which is often seen in natural…

Computer Vision and Pattern Recognition · Computer Science 2019-10-22 Wenjia Wang , Enze Xie , Peize Sun , Wenhai Wang , Lixun Tian , Chunhua Shen , Ping Luo

This paper reviews the video extreme super-resolution challenge associated with the AIM 2020 workshop at ECCV 2020. Common scaling factors for learned video super-resolution (VSR) do not go beyond factor 4. Missing information can be…

Deep learning-based single-image super-resolution (SISR) technology focuses on enhancing low-resolution (LR) images into high-resolution (HR) ones. Although significant progress has been made, challenges remain in computational complexity…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Rongchang Lu , Changyu Li , Donghang Li , Guojing Zhang , Jianqiang Huang , Xilai Li

Recent advancements in real-time super-resolution have enabled higher-quality video streaming, yet existing methods struggle with the unique challenges of compressed video content. Commonly used datasets do not accurately reflect the…

Computer Vision and Pattern Recognition · Computer Science 2026-02-17 Evgeney Bogatyrev , Khaled Abud , Ivan Molodetskikh , Nikita Alutis , Dmitriy Vatolin

We study the video super-resolution (SR) problem for facilitating video analytics tasks, e.g. action recognition, instead of for visual quality. The popular action recognition methods based on convolutional networks, exemplified by…

Computer Vision and Pattern Recognition · Computer Science 2020-03-13 Haochen Zhang , Dong Liu , Zhiwei Xiong

The rich textual information of large vision-language models (VLMs) combined with the powerful generative prior of pre-trained text-to-image (T2I) diffusion models has achieved impressive performance in single-image super-resolution (SISR).…

Computer Vision and Pattern Recognition · Computer Science 2025-08-25 Haodong He , Yancheng Bai , Rui Lan , Xu Duan , Lei Sun , Xiangxiang Chu , Gui-Song Xia

The tradeoff between reconstruction quality and compute required for video super-resolution (VSR) remains a formidable challenge in its adoption for deployment on resource-constrained edge devices. While transformer-based VSR models have…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Kavitha Viswanathan , Shashwat Pathak , Piyush Bharambe , Harsh Choudhary , Amit Sethi

Video super-resolution (SR) aims at generating a sequence of high-resolution (HR) frames with plausible and temporally consistent details from their low-resolution (LR) counterparts. The key challenge for video SR lies in the effective…

Computer Vision and Pattern Recognition · Computer Science 2020-01-08 Longguang Wang , Yulan Guo , Li Liu , Zaiping Lin , Xinpu Deng , Wei An

Smartphones with multi-camera systems, featuring cameras with varying field-of-views (FoVs), are increasingly common. This variation in FoVs results in content differences across videos, paving the way for an innovative approach to video…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Han Zou , Masanori Suganuma , Takayuki Okatani

Video super-resolution (VSR), with the aim to restore a high-resolution video from its corresponding low-resolution version, is a spatial-temporal sequence prediction problem. Recently, Transformer has been gaining popularity due to its…

Computer Vision and Pattern Recognition · Computer Science 2023-07-06 Jiezhang Cao , Yawei Li , Kai Zhang , Luc Van Gool

Video super-resolution (VSR) seeks to reconstruct high-resolution frames from low-resolution inputs. While diffusion-based methods have substantially improved perceptual quality, extending them to video remains challenging for two reasons:…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Jintong Hu , Bin Chen , Zhenyu Hu , Jiayue Liu , Guo Wang , Lu Qi

Image super-resolution (SR) methods typically model degradation to improve reconstruction accuracy in complex and unknown degradation scenarios. However, extracting degradation information from low-resolution images is challenging, which…

Computer Vision and Pattern Recognition · Computer Science 2025-03-12 Zheng Chen , Yulun Zhang , Jinjin Gu , Xin Yuan , Linghe Kong , Guihai Chen , Xiaokang Yang

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 2025-11-07 Wei Shang , Wanying Zhang , Shuhang Gu , Pengfei Zhu , Qinghua Hu , Dongwei Ren

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…

Computer Vision and Pattern Recognition · Computer Science 2022-03-17 Hongying Liu , Zhubo Ruan , Peng Zhao , Chao Dong , Fanhua Shang , Yuanyuan Liu , Linlin Yang , Radu Timofte

In this paper, we study a practical space-time video super-resolution (STVSR) problem which aims at generating a high-framerate high-resolution sharp video from a low-framerate low-resolution blurry video. Such problem often occurs when…

Computer Vision and Pattern Recognition · Computer Science 2022-07-25 Jiezhang Cao , Jingyun Liang , Kai Zhang , Wenguan Wang , Qin Wang , Yulun Zhang , Hao Tang , Luc Van Gool

High Resolution (HR) medical images provide rich anatomical structure details to facilitate early and accurate diagnosis. In MRI, restricted by hardware capacity, scan time, and patient cooperation ability, isotropic 3D HR image acquisition…

Image and Video Processing · Electrical Eng. & Systems 2022-12-01 Qing Wu , Yuwei Li , Yawen Sun , Yan Zhou , Hongjiang Wei , Jingyi Yu , Yuyao Zhang

Video super-resolution (VSR) is a prominent research topic in low-level computer vision, where deep learning technologies have played a significant role. The rapid progress in deep learning and its applications in VSR has led to a…

Image and Video Processing · Electrical Eng. & Systems 2025-06-05 Arbind Agrahari Baniya , Tsz-Kwan Lee , Peter Eklund , Sunil Aryal