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NTIRE 2025 Challenge on Video Quality Enhancement for Video Conferencing: Datasets, Methods and Results

This paper presents a comprehensive review of the 1st Challenge on Video Quality Enhancement for Video Conferencing held at the NTIRE workshop at CVPR 2025, and highlights the problem statement, datasets, proposed solutions, and results.…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Varun Jain , Zongwei Wu , Quan Zou , Louis Florentin , Henrik Turbell , Sandeep Siddhartha , Radu Timofte , others

NTIRE 2021 Challenge on Quality Enhancement of Compressed Video: Methods and Results

This paper reviews the first NTIRE challenge on quality enhancement of compressed video, with a focus on the proposed methods and results. In this challenge, the new Large-scale Diverse Video (LDV) dataset is employed. The challenge has…

Image and Video Processing · Electrical Eng. & Systems 2022-09-01 Ren Yang , Radu Timofte , Jing Liu , Yi Xu , Xinjian Zhang , Minyi Zhao , Shuigeng Zhou , Kelvin C. K. Chan , Shangchen Zhou , Xiangyu Xu , Chen Change Loy , Xin Li , Fanglong Liu , He Zheng , Lielin Jiang , Qi Zhang , Dongliang He , Fu Li , Qingqing Dang , Yibin Huang , Matteo Maggioni , Zhongqian Fu , Shuai Xiao , Cheng li , Thomas Tanay , Fenglong Song , Wentao Chao , Qiang Guo , Yan Liu , Jiang Li , Xiaochao Qu , Dewang Hou , Jiayu Yang , Lyn Jiang , Di You , Zhenyu Zhang , Chong Mou , Iaroslav Koshelev , Pavel Ostyakov , Andrey Somov , Jia Hao , Xueyi Zou , Shijie Zhao , Xiaopeng Sun , Yiting Liao , Yuanzhi Zhang , Qing Wang , Gen Zhan , Mengxi Guo , Junlin Li , Ming Lu , Zhan Ma , Pablo Navarrete Michelini , Hai Wang , Yiyun Chen , Jingyu Guo , Liliang Zhang , Wenming Yang , Sijung Kim , Syehoon Oh , Yucong Wang , Minjie Cai , Wei Hao , Kangdi Shi , Liangyan Li , Jun Chen , Wei Gao , Wang Liu , Xiaoyu Zhang , Linjie Zhou , Sixin Lin , Ru Wang

NTIRE 2022 Challenge on Perceptual Image Quality Assessment

This paper reports on the NTIRE 2022 challenge on perceptual image quality assessment (IQA), held in conjunction with the New Trends in Image Restoration and Enhancement workshop (NTIRE) workshop at CVPR 2022. This challenge is held to…

Computer Vision and Pattern Recognition · Computer Science 2022-06-24 Jinjin Gu , Haoming Cai , Chao Dong , Jimmy S. Ren , Radu Timofte

NTIRE 2025 XGC Quality Assessment Challenge: Methods and Results

This paper reports on the NTIRE 2025 XGC Quality Assessment Challenge, which will be held in conjunction with the New Trends in Image Restoration and Enhancement Workshop (NTIRE) at CVPR 2025. This challenge is to address a major challenge…

Computer Vision and Pattern Recognition · Computer Science 2025-06-04 Xiaohong Liu , Xiongkuo Min , Qiang Hu , Xiaoyun Zhang , Jie Guo , Guangtao Zhai , Shushi Wang , Yingjie Zhou , Lu Liu , Jingxin Li , Liu Yang , Farong Wen , Li Xu , Yanwei Jiang , Xilei Zhu , Chunyi Li , Zicheng Zhang , Huiyu Duan , Xiele Wu , Yixuan Gao , Yuqin Cao , Jun Jia , Wei Sun , Jiezhang Cao , Radu Timofte , Baojun Li , Jiamian Huang , Dan Luo , Tao Liu , Weixia Zhang , Bingkun Zheng , Junlin Chen , Ruikai Zhou , Meiya Chen , Yu Wang , Hao Jiang , Xiantao Li , Yuxiang Jiang , Jun Tang , Yimeng Zhao , Bo Hu , Zelu Qi , Chaoyang Zhang , Fei Zhao , Ping Shi , Lingzhi Fu , Heng Cong , Shuai He , Rongyu Zhang , Jiarong He , Zongyao Hu , Wei Luo , Zihao Yu , Fengbin Guan , Yiting Lu , Xin Li , Zhibo Chen , Mengjing Su , Yi Wang , Tuo Chen , Chunxiao Li , Shuaiyu Zhao , Jiaxin Wen , Chuyi Lin , Sitong Liu , Ningxin Chu , Jing Wan , Yu Zhou , Baoying Chen , Jishen Zeng , Jiarui Liu , Xianjin Liu , Xin Chen , Lanzhi Zhou , Hangyu Li , You Han , Bibo Xiang , Zhenjie Liu , Jianzhang Lu , Jialin Gui , Renjie Lu , Shangfei Wang , Donghao Zhou , Jingyu Lin , Quanjian Song , Jiancheng Huang , Yufeng Yang , Changwei Wang , Shupeng Zhong , Yang Yang , Lihuo He , Jia Liu , Yuting Xing , Tida Fang , Yuchun Jin

NTIRE 2024 Quality Assessment of AI-Generated Content Challenge

This paper reports on the NTIRE 2024 Quality Assessment of AI-Generated Content Challenge, which will be held in conjunction with the New Trends in Image Restoration and Enhancement Workshop (NTIRE) at CVPR 2024. This challenge is to…

Computer Vision and Pattern Recognition · Computer Science 2024-05-08 Xiaohong Liu , Xiongkuo Min , Guangtao Zhai , Chunyi Li , Tengchuan Kou , Wei Sun , Haoning Wu , Yixuan Gao , Yuqin Cao , Zicheng Zhang , Xiele Wu , Radu Timofte , Fei Peng , Huiyuan Fu , Anlong Ming , Chuanming Wang , Huadong Ma , Shuai He , Zifei Dou , Shu Chen , Huacong Zhang , Haiyi Xie , Chengwei Wang , Baoying Chen , Jishen Zeng , Jianquan Yang , Weigang Wang , Xi Fang , Xiaoxin Lv , Jun Yan , Tianwu Zhi , Yabin Zhang , Yaohui Li , Yang Li , Jingwen Xu , Jianzhao Liu , Yiting Liao , Junlin Li , Zihao Yu , Yiting Lu , Xin Li , Hossein Motamednia , S. Farhad Hosseini-Benvidi , Fengbin Guan , Ahmad Mahmoudi-Aznaveh , Azadeh Mansouri , Ganzorig Gankhuyag , Kihwan Yoon , Yifang Xu , Haotian Fan , Fangyuan Kong , Shiling Zhao , Weifeng Dong , Haibing Yin , Li Zhu , Zhiling Wang , Bingchen Huang , Avinab Saha , Sandeep Mishra , Shashank Gupta , Rajesh Sureddi , Oindrila Saha , Luigi Celona , Simone Bianco , Paolo Napoletano , Raimondo Schettini , Junfeng Yang , Jing Fu , Wei Zhang , Wenzhi Cao , Limei Liu , Han Peng , Weijun Yuan , Zhan Li , Yihang Cheng , Yifan Deng , Haohui Li , Bowen Qu , Yao Li , Shuqing Luo , Shunzhou Wang , Wei Gao , Zihao Lu , Marcos V. Conde , Xinrui Wang , Zhibo Chen , Ruling Liao , Yan Ye , Qiulin Wang , Bing Li , Zhaokun Zhou , Miao Geng , Rui Chen , Xin Tao , Xiaoyu Liang , Shangkun Sun , Xingyuan Ma , Jiaze Li , Mengduo Yang , Haoran Xu , Jie Zhou , Shiding Zhu , Bohan Yu , Pengfei Chen , Xinrui Xu , Jiabin Shen , Zhichao Duan , Erfan Asadi , Jiahe Liu , Qi Yan , Youran Qu , Xiaohui Zeng , Lele Wang , Renjie Liao

NTIRE 2021 Challenge on Quality Enhancement of Compressed Video: Dataset and Study

This paper introduces a novel dataset for video enhancement and studies the state-of-the-art methods of the NTIRE 2021 challenge on quality enhancement of compressed video. The challenge is the first NTIRE challenge in this direction, with…

Image and Video Processing · Electrical Eng. & Systems 2021-05-04 Ren Yang , Radu Timofte

NTIRE 2022 Challenge on Super-Resolution and Quality Enhancement of Compressed Video: Dataset, Methods and Results

This paper reviews the NTIRE 2022 Challenge on Super-Resolution and Quality Enhancement of Compressed Video. In this challenge, we proposed the LDV 2.0 dataset, which includes the LDV dataset (240 videos) and 95 additional videos. This…

Computer Vision and Pattern Recognition · Computer Science 2022-04-26 Ren Yang , Radu Timofte , Meisong Zheng , Qunliang Xing , Minglang Qiao , Mai Xu , Lai Jiang , Huaida Liu , Ying Chen , Youcheng Ben , Xiao Zhou , Chen Fu , Pei Cheng , Gang Yu , Junyi Li , Renlong Wu , Zhilu Zhang , Wei Shang , Zhengyao Lv , Yunjin Chen , Mingcai Zhou , Dongwei Ren , Kai Zhang , Wangmeng Zuo , Pavel Ostyakov , Vyal Dmitry , Shakarim Soltanayev , Chervontsev Sergey , Zhussip Magauiya , Xueyi Zou , Youliang Yan , Pablo Navarrete Michelini , Yunhua Lu , Diankai Zhang , Shaoli Liu , Si Gao , Biao Wu , Chengjian Zheng , Xiaofeng Zhang , Kaidi Lu , Ning Wang , Thuong Nguyen Canh , Thong Bach , Qing Wang , Xiaopeng Sun , Haoyu Ma , Shijie Zhao , Junlin Li , Liangbin Xie , Shuwei Shi , Yujiu Yang , Xintao Wang , Jinjin Gu , Chao Dong , Xiaodi Shi , Chunmei Nian , Dong Jiang , Jucai Lin , Zhihuai Xie , Mao Ye , Dengyan Luo , Liuhan Peng , Shengjie Chen , Xin Liu , Qian Wang , Xin Liu , Boyang Liang , Hang Dong , Yuhao Huang , Kai Chen , Xingbei Guo , Yujing Sun , Huilei Wu , Pengxu Wei , Yulin Huang , Junying Chen , Ik Hyun Lee , Sunder Ali Khowaja , Jiseok Yoon

NTIRE 2024 Challenge on Short-form UGC Video Quality Assessment: Methods and Results

This paper reviews the NTIRE 2024 Challenge on Shortform UGC Video Quality Assessment (S-UGC VQA), where various excellent solutions are submitted and evaluated on the collected dataset KVQ from popular short-form video platform, i.e.,…

Image and Video Processing · Electrical Eng. & Systems 2024-04-18 Xin Li , Kun Yuan , Yajing Pei , Yiting Lu , Ming Sun , Chao Zhou , Zhibo Chen , Radu Timofte , Wei Sun , Haoning Wu , Zicheng Zhang , Jun Jia , Zhichao Zhang , Linhan Cao , Qiubo Chen , Xiongkuo Min , Weisi Lin , Guangtao Zhai , Jianhui Sun , Tianyi Wang , Lei Li , Han Kong , Wenxuan Wang , Bing Li , Cheng Luo , Haiqiang Wang , Xiangguang Chen , Wenhui Meng , Xiang Pan , Huiying Shi , Han Zhu , Xiaozhong Xu , Lei Sun , Zhenzhong Chen , Shan Liu , Fangyuan Kong , Haotian Fan , Yifang Xu , Haoran Xu , Mengduo Yang , Jie Zhou , Jiaze Li , Shijie Wen , Mai Xu , Da Li , Shunyu Yao , Jiazhi Du , Wangmeng Zuo , Zhibo Li , Shuai He , Anlong Ming , Huiyuan Fu , Huadong Ma , Yong Wu , Fie Xue , Guozhi Zhao , Lina Du , Jie Guo , Yu Zhang , Huimin Zheng , Junhao Chen , Yue Liu , Dulan Zhou , Kele Xu , Qisheng Xu , Tao Sun , Zhixiang Ding , Yuhang Hu

NTIRE 2025 Challenge on UGC Video Enhancement: Methods and Results

This paper presents an overview of the NTIRE 2025 Challenge on UGC Video Enhancement. The challenge constructed a set of 150 user-generated content videos without reference ground truth, which suffer from real-world degradations such as…

Computer Vision and Pattern Recognition · Computer Science 2025-05-07 Nikolay Safonov , Alexey Bryncev , Andrey Moskalenko , Dmitry Kulikov , Dmitry Vatolin , Radu Timofte , Haibo Lei , Qifan Gao , Qing Luo , Yaqing Li , Jie Song , Shaozhe Hao , Meisong Zheng , Jingyi Xu , Chengbin Wu , Jiahui Liu , Ying Chen , Xin Deng , Mai Xu , Peipei Liang , Jie Ma , Junjie Jin , Yingxue Pang , Fangzhou Luo , Kai Chen , Shijie Zhao , Mingyang Wu , Renjie Li , Yushen Zuo , Shengyun Zhong , Zhengzhong Tu

VDPVE: VQA Dataset for Perceptual Video Enhancement

Recently, many video enhancement methods have been proposed to improve video quality from different aspects such as color, brightness, contrast, and stability. Therefore, how to evaluate the quality of the enhanced video in a way consistent…

Image and Video Processing · Electrical Eng. & Systems 2023-03-17 Yixuan Gao , Yuqin Cao , Tengchuan Kou , Wei Sun , Yunlong Dong , Xiaohong Liu , Xiongkuo Min , Guangtao Zhai

NTIRE 2021 Challenge on Perceptual Image Quality Assessment

This paper reports on the NTIRE 2021 challenge on perceptual image quality assessment (IQA), held in conjunction with the New Trends in Image Restoration and Enhancement workshop (NTIRE) workshop at CVPR 2021. As a new type of image…

Image and Video Processing · Electrical Eng. & Systems 2021-06-29 Jinjin Gu , Haoming Cai , Chao Dong , Jimmy S. Ren , Yu Qiao , Shuhang Gu , Radu Timofte , Manri Cheon , Sungjun Yoon , Byungyeon Kang , Junwoo Lee , Qing Zhang , Haiyang Guo , Yi Bin , Yuqing Hou , Hengliang Luo , Jingyu Guo , Zirui Wang , Hai Wang , Wenming Yang , Qingyan Bai , Shuwei Shi , Weihao Xia , Mingdeng Cao , Jiahao Wang , Yifan Chen , Yujiu Yang , Yang Li , Tao Zhang , Longtao Feng , Yiting Liao , Junlin Li , William Thong , Jose Costa Pereira , Ales Leonardis , Steven McDonagh , Kele Xu , Lehan Yang , Hengxing Cai , Pengfei Sun , Seyed Mehdi Ayyoubzadeh , Ali Royat , Sid Ahmed Fezza , Dounia Hammou , Wassim Hamidouche , Sewoong Ahn , Gwangjin Yoon , Koki Tsubota , Hiroaki Akutsu , Kiyoharu Aizawa

NTIRE 2025 Challenge on Short-form UGC Video Quality Assessment and Enhancement: Methods and Results

This paper presents a review for the NTIRE 2025 Challenge on Short-form UGC Video Quality Assessment and Enhancement. The challenge comprises two tracks: (i) Efficient Video Quality Assessment (KVQ), and (ii) Diffusion-based Image…

Image and Video Processing · Electrical Eng. & Systems 2025-04-18 Xin Li , Kun Yuan , Bingchen Li , Fengbin Guan , Yizhen Shao , Zihao Yu , Xijun Wang , Yiting Lu , Wei Luo , Suhang Yao , Ming Sun , Chao Zhou , Zhibo Chen , Radu Timofte , Yabin Zhang , Ao-Xiang Zhang , Tianwu Zhi , Jianzhao Liu , Yang Li , Jingwen Xu , Yiting Liao , Yushen Zuo , Mingyang Wu , Renjie Li , Shengyun Zhong , Zhengzhong Tu , Yufan Liu , Xiangguang Chen , Zuowei Cao , Minhao Tang , Shan Liu , Kexin Zhang , Jingfen Xie , Yan Wang , Kai Chen , Shijie Zhao , Yunchen Zhang , Xiangkai Xu , Hong Gao , Ji Shi , Yiming Bao , Xiugang Dong , Xiangsheng Zhou , Yaofeng Tu , Ying Liang , Yiwen Wang , Xinning Chai , Yuxuan Zhang , Zhengxue Cheng , Yingsheng Qin , Yucai Yang , Rong Xie , Li Song , Wei Sun , Kang Fu , Linhan Cao , Dandan Zhu , Kaiwei Zhang , Yucheng Zhu , Zicheng Zhang , Menghan Hu , Xiongkuo Min , Guangtao Zhai , Zhi Jin , Jiawei Wu , Wei Wang , Wenjian Zhang , Yuhai Lan , Gaoxiong Yi , Hengyuan Na , Wang Luo , Di Wu , MingYin Bai , Jiawang Du , Zilong Lu , Zhenyu Jiang , Hui Zeng , Ziguan Cui , Zongliang Gan , Guijin Tang , Xinglin Xie , Kehuan Song , Xiaoqiang Lu , Licheng Jiao , Fang Liu , Xu Liu , Puhua Chen , Ha Thu Nguyen , Katrien De Moor , Seyed Ali Amirshahi , Mohamed-Chaker Larabi , Qi Tang , Linfeng He , Zhiyong Gao , Zixuan Gao , Guohua Zhang , Zhiye Huang , Yi Deng , Qingmiao Jiang , Lu Chen , Yi Yang , Xi Liao , Nourine Mohammed Nadir , Yuxuan Jiang , Qiang Zhu , Siyue Teng , Fan Zhang , Shuyuan Zhu , Bing Zeng , David Bull , Meiqin Liu , Chao Yao , Yao Zhao

NTIRE 2020 Challenge on Video Quality Mapping: Methods and Results

This paper reviews the NTIRE 2020 challenge on video quality mapping (VQM), which addresses the issues of quality mapping from source video domain to target video domain. The challenge includes both a supervised track (track 1) and a…

Image and Video Processing · Electrical Eng. & Systems 2020-06-17 Dario Fuoli , Zhiwu Huang , Martin Danelljan , Radu Timofte , Hua Wang , Longcun Jin , Dewei Su , Jing Liu , Jaehoon Lee , Michal Kudelski , Lukasz Bala , Dmitry Hrybov , Marcin Mozejko , Muchen Li , Siyao Li , Bo Pang , Cewu Lu , Chao Li , Dongliang He , Fu Li , Shilei Wen

NTIRE 2025 challenge on Text to Image Generation Model Quality Assessment

This paper reports on the NTIRE 2025 challenge on Text to Image (T2I) generation model quality assessment, which will be held in conjunction with the New Trends in Image Restoration and Enhancement Workshop (NTIRE) at CVPR 2025. The aim of…

Computer Vision and Pattern Recognition · Computer Science 2025-05-23 Shuhao Han , Haotian Fan , Fangyuan Kong , Wenjie Liao , Chunle Guo , Chongyi Li , Radu Timofte , Liang Li , Tao Li , Junhui Cui , Yunqiu Wang , Yang Tai , Jingwei Sun , Jianhui Sun , Xinli Yue , Tianyi Wang , Huan Hou , Junda Lu , Xinyang Huang , Zitang Zhou , Zijian Zhang , Xuhui Zheng , Xuecheng Wu , Chong Peng , Xuezhi Cao , Trong-Hieu Nguyen-Mau , Minh-Hoang Le , Minh-Khoa Le-Phan , Duy-Nam Ly , Hai-Dang Nguyen , Minh-Triet Tran , Yukang Lin , Yan Hong , Chuanbiao Song , Siyuan Li , Jun Lan , Zhichao Zhang , Xinyue Li , Wei Sun , Zicheng Zhang , Yunhao Li , Xiaohong Liu , Guangtao Zhai , Zitong Xu , Huiyu Duan , Jiarui Wang , Guangji Ma , Liu Yang , Lu Liu , Qiang Hu , Xiongkuo Min , Zichuan Wang , Zhenchen Tang , Bo Peng , Jing Dong , Fengbin Guan , Zihao Yu , Yiting Lu , Wei Luo , Xin Li , Minhao Lin , Haofeng Chen , Xuanxuan He , Kele Xu , Qisheng Xu , Zijian Gao , Tianjiao Wan , Bo-Cheng Qiu , Chih-Chung Hsu , Chia-ming Lee , Yu-Fan Lin , Bo Yu , Zehao Wang , Da Mu , Mingxiu Chen , Junkang Fang , Huamei Sun , Wending Zhao , Zhiyu Wang , Wang Liu , Weikang Yu , Puhong Duan , Bin Sun , Xudong Kang , Shutao Li , Shuai He , Lingzhi Fu , Heng Cong , Rongyu Zhang , Jiarong He , Zhishan Qiao , Yongqing Huang , Zewen Chen , Zhe Pang , Juan Wang , Jian Guo , Zhizhuo Shao , Ziyu Feng , Bing Li , Weiming Hu , Hesong Li , Dehua Liu , Zeming Liu , Qingsong Xie , Ruichen Wang , Zhihao Li , Yuqi Liang , Jianqi Bi , Jun Luo , Junfeng Yang , Can Li , Jing Fu , Hongwei Xu , Mingrui Long , Lulin Tang

AIM 2024 Challenge on Compressed Video Quality Assessment: Methods and Results

Video quality assessment (VQA) is a crucial task in the development of video compression standards, as it directly impacts the viewer experience. This paper presents the results of the Compressed Video Quality Assessment challenge, held in…

Image and Video Processing · Electrical Eng. & Systems 2024-10-23 Maksim Smirnov , Aleksandr Gushchin , Anastasia Antsiferova , Dmitry Vatolin , Radu Timofte , Ziheng Jia , Zicheng Zhang , Wei Sun , Jiaying Qian , Yuqin Cao , Yinan Sun , Yuxin Zhu , Xiongkuo Min , Guangtao Zhai , Kanjar De , Qing Luo , Ao-Xiang Zhang , Peng Zhang , Haibo Lei , Linyan Jiang , Yaqing Li , Wenhui Meng , Zhenzhong Chen , Zhengxue Cheng , Jiahao Xiao , Jun Xu , Chenlong He , Qi Zheng , Ruoxi Zhu , Min Li , Yibo Fan , Zhengzhong Tu

NTIRE 2025 Challenge on Real-World Face Restoration: Methods and Results

This paper provides a review of the NTIRE 2025 challenge on real-world face restoration, highlighting the proposed solutions and the resulting outcomes. The challenge focuses on generating natural, realistic outputs while maintaining…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Zheng Chen , Jingkai Wang , Kai Liu , Jue Gong , Lei Sun , Zongwei Wu , Radu Timofte , Yulun Zhang , Jianxing Zhang , Jinlong Wu , Jun Wang , Zheng Xie , Hakjae Jeon , Suejin Han , Hyung-Ju Chun , Hyunhee Park , Zhicun Yin , Junjie Chen , Ming Liu , Xiaoming Li , Chao Zhou , Wangmeng Zuo , Weixia Zhang , Dingquan Li , Kede Ma , Yun Zhang , Zhuofan Zheng , Yuyue Liu , Shizhen Tang , Zihao Zhang , Yi Ning , Hao Jiang , Wenjie An , Kangmeng Yu , Chenyang Wang , Kui Jiang , Xianming Liu , Junjun Jiang , Yingfu Zhang , Gang He , Siqi Wang , Kepeng Xu , Zhenyang Liu , Changxin Zhou , Shanlan Shen , Yubo Duan , Yiang Chen , Jin Guo , Mengru Yang , Jen-Wei Lee , Chia-Ming Lee , Chih-Chung Hsu , Hu Peng , Chunming He

NTIRE 2025 Challenge on Low Light Image Enhancement: Methods and Results

This paper presents a comprehensive review of the NTIRE 2025 Low-Light Image Enhancement (LLIE) Challenge, highlighting the proposed solutions and final outcomes. The objective of the challenge is to identify effective networks capable of…

Computer Vision and Pattern Recognition · Computer Science 2025-10-16 Xiaoning Liu , Zongwei Wu , Florin-Alexandru Vasluianu , Hailong Yan , Bin Ren , Yulun Zhang , Shuhang Gu , Le Zhang , Ce Zhu , Radu Timofte , Kangbiao Shi , Yixu Feng , Tao Hu , Yu Cao , Peng Wu , Yijin Liang , Yanning Zhang , Qingsen Yan , Han Zhou , Wei Dong , Yan Min , Mohab Kishawy , Jun Chen , Pengpeng Yu , Anjin Park , Seung-Soo Lee , Young-Joon Park , Zixiao Hu , Junyv Liu , Huilin Zhang , Jun Zhang , Fei Wan , Bingxin Xu , Hongzhe Liu , Cheng Xu , Weiguo Pan , Songyin Dai , Xunpeng Yi , Qinglong Yan , Yibing Zhang , Jiayi Ma , Changhui Hu , Kerui Hu , Donghang Jing , Tiesheng Chen , Zhi Jin , Hongjun Wu , Biao Huang , Haitao Ling , Jiahao Wu , Dandan Zhan , G Gyaneshwar Rao , Vijayalaxmi Ashok Aralikatti , Nikhil Akalwadi , Ramesh Ashok Tabib , Uma Mudenagudi , Ruirui Lin , Guoxi Huang , Nantheera Anantrasirichai , Qirui Yang , Alexandru Brateanu , Ciprian Orhei , Cosmin Ancuti , Daniel Feijoo , Juan C. Benito , Álvaro García , Marcos V. Conde , Yang Qin , Raul Balmez , Anas M. Ali , Bilel Benjdira , Wadii Boulila , Tianyi Mao , Huan Zheng , Yanyan Wei , Shengeng Tang , Dan Guo , Zhao Zhang , Sabari Nathan , K Uma , A Sasithradevi , B Sathya Bama , S. Mohamed Mansoor Roomi , Ao Li , Xiangtao Zhang , Zhe Liu , Yijie Tang , Jialong Tang , Zhicheng Fu , Gong Chen , Joe Nasti , John Nicholson , Zeyu Xiao , Zhuoyuan Li , Ashutosh Kulkarni , Prashant W. Patil , Santosh Kumar Vipparthi , Subrahmanyam Murala , Duan Liu , Weile Li , Hangyuan Lu , Rixian Liu , Tengfeng Wang , Jinxing Liang , Chenxin Yu

NTIRE 2025 Challenge on Image Super-Resolution ($\times$4): Methods and Results

This paper presents the NTIRE 2025 image super-resolution ($\times$4) challenge, one of the associated competitions of the 10th NTIRE Workshop at CVPR 2025. The challenge aims to recover high-resolution (HR) images from low-resolution (LR)…

Computer Vision and Pattern Recognition · Computer Science 2025-04-30 Zheng Chen , Kai Liu , Jue Gong , Jingkai Wang , Lei Sun , Zongwei Wu , Radu Timofte , Yulun Zhang , Xiangyu Kong , Xiaoxuan Yu , Hyunhee Park , Suejin Han , Hakjae Jeon , Dafeng Zhang , Hyung-Ju Chun , Donghun Ryou , Inju Ha , Bohyung Han , Lu Zhao , Yuyi Zhang , Pengyu Yan , Jiawei Hu , Pengwei Liu , Fengjun Guo , Hongyuan Yu , Pufan Xu , Zhijuan Huang , Shuyuan Cui , Peng Guo , Jiahui Liu , Dongkai Zhang , Heng Zhang , Huiyuan Fu , Huadong Ma , Yanhui Guo , Sisi Tian , Xin Liu , Jinwen Liang , Jie Liu , Jie Tang , Gangshan Wu , Zeyu Xiao , Zhuoyuan Li , Yinxiang Zhang , Wenxuan Cai , Vijayalaxmi Ashok Aralikatti , Nikhil Akalwadi , G Gyaneshwar Rao , Chaitra Desai , Ramesh Ashok Tabib , Uma Mudenagudi , Marcos V. Conde , Alejandro Merino , Bruno Longarela , Javier Abad , Weijun Yuan , Zhan Li , Zhanglu Chen , Boyang Yao , Aagam Jain , Milan Kumar Singh , Ankit Kumar , Shubh Kawa , Divyavardhan Singh , Anjali Sarvaiya , Kishor Upla , Raghavendra Ramachandra , Chia-Ming Lee , Yu-Fan Lin , Chih-Chung Hsu , Risheek V Hiremath , Yashaswini Palani , Yuxuan Jiang , Qiang Zhu , Siyue Teng , Fan Zhang , Shuyuan Zhu , Bing Zeng , David Bull , Jingwei Liao , Yuqing Yang , Wenda Shao , Junyi Zhao , Qisheng Xu , Kele Xu , Sunder Ali Khowaja , Ik Hyun Lee , Snehal Singh Tomar , Rajarshi Ray , Klaus Mueller , Sachin Chaudhary , Surya Vashisth , Akshay Dudhane , Praful Hambarde , Satya Naryan Tazi , Prashant Patil , Santosh Kumar Vipparthi , Subrahmanyam Murala , Bilel Benjdira , Anas M. Ali , Wadii Boulila , Zahra Moammeri , Ahmad Mahmoudi-Aznaveh , Ali Karbasi , Hossein Motamednia , Liangyan Li , Guanhua Zhao , Kevin Le , Yimo Ning , Haoxuan Huang , Jun Chen

NTIRE 2021 Challenge on Video Super-Resolution

Super-Resolution (SR) is a fundamental computer vision task that aims to obtain a high-resolution clean image from the given low-resolution counterpart. This paper reviews the NTIRE 2021 Challenge on Video Super-Resolution. We present…

Computer Vision and Pattern Recognition · Computer Science 2021-05-11 Sanghyun Son , Suyoung Lee , Seungjun Nah , Radu Timofte , Kyoung Mu Lee

NTIRE 2025 Image Shadow Removal Challenge Report

This work examines the findings of the NTIRE 2025 Shadow Removal Challenge. A total of 306 participants have registered, with 17 teams successfully submitting their solutions during the final evaluation phase. Following the last two…

Computer Vision and Pattern Recognition · Computer Science 2025-06-19 Florin-Alexandru Vasluianu , Tim Seizinger , Zhuyun Zhou , Cailian Chen , Zongwei Wu , Radu Timofte , Mingjia Li , Jin Hu , Hainuo Wang , Hengxing Liu , Jiarui Wang , Qiming Hu , Xiaojie Guo , Xin Lu , Jiarong Yang , Yuanfei Bao , Anya Hu , Zihao Fan , Kunyu Wang , Jie Xiao , Xi Wang , Xueyang Fu , Zheng-Jun Zha , Yu-Fan Lin , Chia-Ming Lee , Chih-Chung Hsu , Xingbo Wang , Dong Li , Yuxu Chen , Bin Chen , Yuanbo Zhou , Yuanbin Chen , Hongwei Wang , Jiannan Lin , Qinquan Gao , Tong Tong , Zhao Zhang , Yanyan Wei , Wei Dong , Han Zhou , Seyed Amirreza Mousavi , Jun Chen , Haobo Liang , Jiajie Jing , Junyu Li , Yan Yang , Seoyeon Lee , Chaewon Kim , Ziyu Feng , Shidi Chen , Bowen Luan , Zewen Chen , Vijayalaxmi Ashok Aralikatti , G Gyaneshwar Rao , Nikhil Akalwadi , Chaitra Desai , Ramesh Ashok Tabib , Uma Mudenagudi , Anas M. Ali , Bilel Benjdira , Wadii Boulila , Alexandru Brateanu , Cosmin Ancuti , Tanmay Chaturvedi , Manish Kumar , Anmol Srivastav , Daksh Trivedi , Shashwat Thakur , Kishor Upla , Zeyu Xiao , Zhuoyuan Li , Boda Zhou , Shashank Shekhar , Kele Xu , Qisheng Xu , Zijian Gao , Tianjiao Wan , Suiyi Zhao , Bo Wang , Yan Luo , Mingshen Wang , Yilin Zhang