Related papers: NTIRE 2021 Depth Guided Image Relighting Challenge

The Fourth Challenge on Image Super-Resolution ($\times$4) at NTIRE 2026: Benchmark Results and Method Overview

This paper presents the NTIRE 2026 image super-resolution ($\times$4) challenge, one of the associated competitions of the NTIRE 2026 Workshop at CVPR 2026. The challenge aims to reconstruct high-resolution (HR) images from low-resolution…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Zheng Chen , Kai Liu , Jingkai Wang , Xianglong Yan , Jianze Li , Ziqing Zhang , Jue Gong , Jiatong Li , Lei Sun , Xiaoyang Liu , Radu Timofte , Yulun Zhang , Jihye Park , Yoonjin Im , Hyungju Chun , Hyunhee Park , MinKyu Park , Zheng Xie , Xiangyu Kong , Weijun Yuan , Zhan Li , Qiurong Song , Luen Zhu , Fengkai Zhang , Xinzhe Zhu , Junyang Chen , Congyu Wang , Yixin Yang , Zhaorun Zhou , Jiangxin Dong , Jinshan Pan , Shengwei Wang , Jiajie Ou , Baiang Li , Sizhuo Ma , Qiang Gao , Jusheng Zhang , Jian Wang , Keze Wang , Yijiao Liu , Yingsi Chen , Hui Li , Yu Wang , Congchao Zhu , Saeed Ahmad , Ik Hyun Lee , Jun Young Park , Ji Hwan Yoon , Kainan Yan , Zian Wang , Weibo Wang , Shihao Zou , Chao Dong , Wei Zhou , Linfeng Li , Jaeseong Lee , Jaeho Chae , Jinwoo Kim , Seonjoo Kim , Yucong Hong , Zhenming Yan , Junye Chen , Ruize Han , Song Wang , Yuxuan Jiang , Chengxi Zeng , Tianhao Peng , Fan Zhang , David Bull , Tongyao Mu , Qiong Cao , Yifan Wang , Youwei Pan , Leilei Cao , Xiaoping Peng , Wei Deng , Yifei Chen , Wenbo Xiong , Xian Hu , Yuxin Zhang , Xiaoyun Cheng , Yang Ji , Zonghao Chen , Zhihao Xue , Junqin Hu , Nihal Kumar , Snehal Singh Tomar , Klaus Mueller , Surya Vashisth , Prateek Shaily , Jayant Kumar , Hardik Sharma , Ashish Negi , Sachin Chaudhary , Akshay Dudhane , Praful Hambarde , Amit Shukla , Shijun Shi , Jiangning Zhang , Yong Liu , Kai Hu , Jing Xu , Xianfang Zeng , Amitesh M , Hariharan S , Chia-Ming Lee , Yu-Fan Lin , Chih-Chung Hsu , Nishalini K , Sreenath K A , Bilel Benjdira , Anas M. Ali , Wadii Boulila , Shuling Zheng , Zhiheng Fu , Feng Zhang , Zhanglu Chen , Boyang Yao , Nikhil Pathak , Aagam Jain , Milan Kumar , Kishor Upla , Vivek Chavda , Sarang N S , Raghavendra Ramachandra , Zhipeng Zhang , Qi Wang , Shiyu Wang , Jiachen Tu , Guoyi Xu , Yaoxin Jiang , Jiajia Liu , Yaokun Shi , Yuqi Li , Chuanguang Yang , Weilun Feng , Zhuzhi Hong , Hao Wu , Junming Liu , Yingli Tian , Amish Bhushan Kulkarni , Tejas R R Shet , Saakshi M Vernekar , Nikhil Akalwadi , Kaushik Mallibhat , Ramesh Ashok Tabib , Uma Mudenagudi , Yuwen Pan , Tianrun Chen , Deyi Ji , Qi Zhu , Lanyun Zhu , Heyan Zhangyi

Relighting from a Single Image: Datasets and Deep Intrinsic-based Architecture

Single image scene relighting aims to generate a realistic new version of an input image so that it appears to be illuminated by a new target light condition. Although existing works have explored this problem from various perspectives,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-30 Yixiong Yang , Hassan Ahmed Sial , Ramon Baldrich , Maria Vanrell

NTIRE 2025 Challenge on RAW Image Restoration and Super-Resolution

This paper reviews the NTIRE 2025 RAW Image Restoration and Super-Resolution Challenge, highlighting the proposed solutions and results. New methods for RAW Restoration and Super-Resolution could be essential in modern Image Signal…

Image and Video Processing · Electrical Eng. & Systems 2025-06-05 Marcos V. Conde , Radu Timofte , Zihao Lu , Xiangyu Kong , Xiaoxia Xing , Fan Wang , Suejin Han , MinKyu Park , Tianyu Zhang , Xin Luo , Yeda Chen , Dong Liu , Li Pang , Yuhang Yang , Hongzhong Wang , Xiangyong Cao , Ruixuan Jiang , Senyan Xu , Siyuan Jiang , Xueyang Fu , Zheng-Jun Zha , Tianyu Hao , Yuhong He , Ruoqi Li , Yueqi Yang , Xiang Yu , Guanlan Hong , Minmin Yi , Yuanjia Chen , Liwen Zhang , Zijie Jin , Cheng Li , Lian Liu , Wei Song , Heng Sun , Yubo Wang , Jinghua Wang , Jiajie Lu , Watchara Ruangsan

NTIRE 2020 Challenge on Image Demoireing: Methods and Results

This paper reviews the Challenge on Image Demoireing that was part of the New Trends in Image Restoration and Enhancement (NTIRE) workshop, held in conjunction with CVPR 2020. Demoireing is a difficult task of removing moire patterns from…

Computer Vision and Pattern Recognition · Computer Science 2020-05-08 Shanxin Yuan , Radu Timofte , Ales Leonardis , Gregory Slabaugh , Xiaotong Luo , Jiangtao Zhang , Yanyun Qu , Ming Hong , Yuan Xie , Cuihua Li , Dejia Xu , Yihao Chu , Qingyan Sun , Shuai Liu , Ziyao Zong , Nan Nan , Chenghua Li , Sangmin Kim , Hyungjoon Nam , Jisu Kim , Jechang Jeong , Manri Cheon , Sung-Jun Yoon , Byungyeon Kang , Junwoo Lee , Bolun Zheng , Xiaohong Liu , Linhui Dai , Jun Chen , Xi Cheng , Zhenyong Fu , Jian Yang , Chul Lee , An Gia Vien , Hyunkook Park , Sabari Nathan , M. Parisa Beham , S Mohamed Mansoor Roomi , Florian Lemarchand , Maxime Pelcat , Erwan Nogues , Densen Puthussery , Hrishikesh P S , Jiji C , Ashish Sinha , Xuan Zhao

NTIRE 2026 The 3rd Restore Any Image Model (RAIM) Challenge: Multi-Exposure Image Fusion in Dynamic Scenes (Track 2)

This paper presents NTIRE 2026, the 3rd Restore Any Image Model (RAIM) challenge on multi-exposure image fusion in dynamic scenes. We introduce a benchmark that targets a practical yet difficult HDR imaging setting, where exposure…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Lishen Qu , Yao Liu , Jie Liang , Hui Zeng , Wen Dai , Guanyi Qin , Ya-nan Guan , Shihao Zhou , Jufeng Yang , Lei Zhang , Radu Timofte , Xiyuan Yuan , Wanjie Sun , Shihang Li , Bo Zhang , Bin Chen , Jiannan Lin , Yuxu Chen , Qinquan Gao , Tong Tong , Song Gao , Jiacong Tang , Tao Hu , Xiaowen Ma , Qingsen Yan , Sunhan Xu , Juan Wang , Xinyu Sun , Lei Qi , He Xu , Jiachen Tu , Guoyi Xu , Yaoxin Jiang , Jiajia Liu , Yaokun Shi

Learning Physics-guided Face Relighting under Directional Light

Relighting is an essential step in realistically transferring objects from a captured image into another environment. For example, authentic telepresence in Augmented Reality requires faces to be displayed and relit consistent with the…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Thomas Nestmeyer , Jean-François Lalonde , Iain Matthews , Andreas M. Lehrmann

WDRN : A Wavelet Decomposed RelightNet for Image Relighting

The task of recalibrating the illumination settings in an image to a target configuration is known as relighting. Relighting techniques have potential applications in digital photography, gaming industry and in augmented reality. In this…

Computer Vision and Pattern Recognition · Computer Science 2020-09-16 Densen Puthussery , Hrishikesh P. S. , Melvin Kuriakose , Jiji C.

The First Challenge on Remote Sensing Infrared Image Super-Resolution at NTIRE 2026: Benchmark Results and Method Overview

This paper presents the NTIRE 2026 Remote Sensing Infrared Image Super-Resolution (x4) Challenge, one of the associated challenges of NTIRE 2026. The challenge aims to recover high-resolution (HR) infrared images from low-resolution (LR)…

Computer Vision and Pattern Recognition · Computer Science 2026-04-24 Kai Liu , Haoyang Yue , Zeli Lin , Zheng Chen , Jingkai Wang , Jue Gong , Jiatong Li , Xianglong Yan , Libo Zhu , Jianze Li , Ziqing Zhang , Zihan Zhou , Xiaoyang Liu , Radu Timofte , Yulun Zhang , Junye Chen , Zhenming Yan , Yucong Hong , Ruize Han , Song Wang , Li Pang , Heng Zhao , Xinqiao Wu , Deyu Meng , Xiangyong Cao , Weijun Yuan , Zhan Li , Zhanglu Chen , Boyang Yao , Yihang Chen , Yifan Deng , Zengyuan Zuo , Junjun Jiang , Saiprasad Meesiyawar , Sulocha Yatageri , Nikhil Akalwadi , Ramesh Ashok Tabib , Uma Mudenagudi , Jiachen Tu , Yaokun Shi , Guoyi Xu , Yaoxin Jiang , Cici Liu , Tongyao Mu , Qiong Cao , Yifan Wang , Kosuke Shigematsu , Hiroto Shirono , Asuka Shin , Wei Zhou , Linfeng Li , Lingdong Kong , Ce Wang , Xingwei Zhong , Wanjie Sun , Dafeng Zhang , Hongxin Lan , Qisheng Xu , Mingyue He , Hui Geng , Tianjiao Wan , Kele Xu , Changjian Wang , Antoine Carreaud , Nicola Santacroce , Shanci Li , Jan Skaloud , Adrien Gressin

NTIRE 2020 Challenge on Perceptual Extreme Super-Resolution: Methods and Results

This paper reviews the NTIRE 2020 challenge on perceptual extreme super-resolution with focus on proposed solutions and results. The challenge task was to super-resolve an input image with a magnification factor 16 based on a set of prior…

Image and Video Processing · Electrical Eng. & Systems 2020-05-05 Kai Zhang , Shuhang Gu , Radu Timofte , Taizhang Shang , Qiuju Dai , Shengchen Zhu , Tong Yang , Yandong Guo , Younghyun Jo , Sejong Yang , Seon Joo Kim , Lin Zha , Jiande Jiang , Xinbo Gao , Wen Lu , Jing Liu , Kwangjin Yoon , Taegyun Jeon , Kazutoshi Akita , Takeru Ooba , Norimichi Ukita , Zhipeng Luo , Yuehan Yao , Zhenyu Xu , Dongliang He , Wenhao Wu , Yukang Ding , Chao Li , Fu Li , Shilei Wen , Jianwei Li , Fuzhi Yang , Huan Yang , Jianlong Fu , Byung-Hoon Kim , JaeHyun Baek , Jong Chul Ye , Yuchen Fan , Thomas S. Huang , Junyeop Lee , Bokyeung Lee , Jungki Min , Gwantae Kim , Kanghyu Lee , Jaihyun Park , Mykola Mykhailych , Haoyu Zhong , Yukai Shi , Xiaojun Yang , Zhijing Yang , Liang Lin , Tongtong Zhao , Jinjia Peng , Huibing Wang , Zhi Jin , Jiahao Wu , Yifu Chen , Chenming Shang , Huanrong Zhang , Jeongki Min , Hrishikesh P S , Densen Puthussery , Jiji C

NTIRE 2022 Challenge on High Dynamic Range Imaging: Methods and Results

This paper reviews the challenge on constrained high dynamic range (HDR) imaging that was part of the New Trends in Image Restoration and Enhancement (NTIRE) workshop, held in conjunction with CVPR 2022. This manuscript focuses on the…

Computer Vision and Pattern Recognition · Computer Science 2022-05-26 Eduardo Pérez-Pellitero , Sibi Catley-Chandar , Richard Shaw , Aleš Leonardis , Radu Timofte , Zexin Zhang , Cen Liu , Yunbo Peng , Yue Lin , Gaocheng Yu , Jin Zhang , Zhe Ma , Hongbin Wang , Xiangyu Chen , Xintao Wang , Haiwei Wu , Lin Liu , Chao Dong , Jiantao Zhou , Qingsen Yan , Song Zhang , Weiye Chen , Yuhang Liu , Zhen Zhang , Yanning Zhang , Javen Qinfeng Shi , Dong Gong , Dan Zhu , Mengdi Sun , Guannan Chen , Yang Hu , Haowei Li , Baozhu Zou , Zhen Liu , Wenjie Lin , Ting Jiang , Chengzhi Jiang , Xinpeng Li , Mingyan Han , Haoqiang Fan , Jian Sun , Shuaicheng Liu , Juan Marín-Vega , Michael Sloth , Peter Schneider-Kamp , Richard Röttger , Chunyang Li , Long Bao , Gang He , Ziyao Xu , Li Xu , Gen Zhan , Ming Sun , Xing Wen , Junlin Li , Jinjing Li , Chenghua Li , Ruipeng Gang , Fangya Li , Chenming Liu , Shuang Feng , Fei Lei , Rui Liu , Junxiang Ruan , Tianhong Dai , Wei Li , Zhan Lu , Hengyan Liu , Peian Huang , Guangyu Ren , Yonglin Luo , Chang Liu , Qiang Tu , Fangya Li , Ruipeng Gang , Chenghua Li , Jinjing Li , Sai Ma , Chenming Liu , Yizhen Cao , Steven Tel , Barthelemy Heyrman , Dominique Ginhac , Chul Lee , Gahyeon Kim , Seonghyun Park , An Gia Vien , Truong Thanh Nhat Mai , Howoon Yoon , Tu Vo , Alexander Holston , Sheir Zaheer , Chan Y. Park

NTIRE 2025 Challenge on Day and Night Raindrop Removal for Dual-Focused Images: Methods and Results

This paper reviews the NTIRE 2025 Challenge on Day and Night Raindrop Removal for Dual-Focused Images. This challenge received a wide range of impressive solutions, which are developed and evaluated using our collected real-world Raindrop…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Xin Li , Yeying Jin , Xin Jin , Zongwei Wu , Bingchen Li , Yufei Wang , Wenhan Yang , Yu Li , Zhibo Chen , Bihan Wen , Robby T. Tan , Radu Timofte , Qiyu Rong , Hongyuan Jing , Mengmeng Zhang , Jinglong Li , Xiangyu Lu , Yi Ren , Yuting Liu , Meng Zhang , Xiang Chen , Qiyuan Guan , Jiangxin Dong , Jinshan Pan , Conglin Gou , Qirui Yang , Fangpu Zhang , Yunlong Lin , Sixiang Chen , Guoxi Huang , Ruirui Lin , Yan Zhang , Jingyu Yang , Huanjing Yue , Jiyuan Chen , Qiaosi Yi , Hongjun Wang , Chenxi Xie , Shuai Li , Yuhui Wu , Kaiyi Ma , Jiakui Hu , Juncheng Li , Liwen Pan , Guangwei Gao , Wenjie Li , Zhenyu Jin , Heng Guo , Zhanyu Ma , Yubo Wang , Jinghua Wang , Wangzhi Xing , Anjusree Karnavar , Diqi Chen , Mohammad Aminul Islam , Hao Yang , Ruikun Zhang , Liyuan Pan , Qianhao Luo , XinCao , Han Zhou , Yan Min , Wei Dong , Jun Chen , Taoyi Wu , Weijia Dou , Yu Wang , Shengjie Zhao , Yongcheng Huang , Xingyu Han , Anyan Huang , Hongtao Wu , Hong Wang , Yefeng Zheng , Abhijeet Kumar , Aman Kumar , Marcos V. Conde , Paula Garrido , Daniel Feijoo , Juan C. Benito , Guanglu Dong , Xin Lin , Siyuan Liu , Tianheng Zheng , Jiayu Zhong , Shouyi Wang , Xiangtai Li , Lanqing Guo , Lu Qi , Chao Ren , Shuaibo Wang , Shilong Zhang , Wanyu Zhou , Yunze Wu , Qinzhong Tan , Jieyuan Pei , Zhuoxuan Li , Jiayu Wang , Haoyu Bian , Haoran Sun , Subhajit Paul , Ni Tang , Junhao Huang , Zihan Cheng , Hongyun Zhu , Yuehan Wu , Kaixin Deng , Hang Ouyang , Tianxin Xiao , Fan Yang , Zhizun Luo , Zeyu Xiao , Zhuoyuan Li , Nguyen Pham Hoang Le , An Dinh Thien , Son T. Luu , Kiet Van Nguyen , Ronghua Xu , Xianmin Tian , Weijian Zhou , Jiacheng Zhang , Yuqian Chen , Yihang Duan , Yujie Wu , Suresh Raikwar , Arsh Garg , Kritika , Jianhua Zheng , Xiaoshan Ma , Ruolin Zhao , Yongyu Yang , Yongsheng Liang , Guiming Huang , Qiang Li , Hongbin Zhang , Xiangyu Zheng , A. N. Rajagopalan

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 2022 Challenge on Efficient Super-Resolution: Methods and Results

This paper reviews the NTIRE 2022 challenge on efficient single image super-resolution with focus on the proposed solutions and results. The task of the challenge was to super-resolve an input image with a magnification factor of $\times$4…

Computer Vision and Pattern Recognition · Computer Science 2022-05-12 Yawei Li , Kai Zhang , Radu Timofte , Luc Van Gool , Fangyuan Kong , Mingxi Li , Songwei Liu , Zongcai Du , Ding Liu , Chenhui Zhou , Jingyi Chen , Qingrui Han , Zheyuan Li , Yingqi Liu , Xiangyu Chen , Haoming Cai , Yu Qiao , Chao Dong , Long Sun , Jinshan Pan , Yi Zhu , Zhikai Zong , Xiaoxiao Liu , Zheng Hui , Tao Yang , Peiran Ren , Xuansong Xie , Xian-Sheng Hua , Yanbo Wang , Xiaozhong Ji , Chuming Lin , Donghao Luo , Ying Tai , Chengjie Wang , Zhizhong Zhang , Yuan Xie , Shen Cheng , Ziwei Luo , Lei Yu , Zhihong Wen , Qi Wu1 , Youwei Li , Haoqiang Fan , Jian Sun , Shuaicheng Liu , Yuanfei Huang , Meiguang Jin , Hua Huang , Jing Liu , Xinjian Zhang , Yan Wang , Lingshun Long , Gen Li , Yuanfan Zhang , Zuowei Cao , Lei Sun , Panaetov Alexander , Yucong Wang , Minjie Cai , Li Wang , Lu Tian , Zheyuan Wang , Hongbing Ma , Jie Liu , Chao Chen , Yidong Cai , Jie Tang , Gangshan Wu , Weiran Wang , Shirui Huang , Honglei Lu , Huan Liu , Keyan Wang , Jun Chen , Shi Chen , Yuchun Miao , Zimo Huang , Lefei Zhang , Mustafa Ayazoğlu , Wei Xiong , Chengyi Xiong , Fei Wang , Hao Li , Ruimian Wen , Zhijing Yang , Wenbin Zou , Weixin Zheng , Tian Ye , Yuncheng Zhang , Xiangzhen Kong , Aditya Arora , Syed Waqas Zamir , Salman Khan , Munawar Hayat , Fahad Shahbaz Khan , Dandan Gaoand Dengwen Zhouand Qian Ning , Jingzhu Tang , Han Huang , Yufei Wang , Zhangheng Peng , Haobo Li , Wenxue Guan , Shenghua Gong , Xin Li , Jun Liu , Wanjun Wang , Dengwen Zhou , Kun Zeng , Hanjiang Lin , Xinyu Chen , Jinsheng Fang

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 2021 Challenge on Burst Super-Resolution: Methods and Results

This paper reviews the NTIRE2021 challenge on burst super-resolution. Given a RAW noisy burst as input, the task in the challenge was to generate a clean RGB image with 4 times higher resolution. The challenge contained two tracks; Track 1…

Computer Vision and Pattern Recognition · Computer Science 2021-06-08 Goutam Bhat , Martin Danelljan , Radu Timofte , Kazutoshi Akita , Wooyeong Cho , Haoqiang Fan , Lanpeng Jia , Daeshik Kim , Bruno Lecouat , Youwei Li , Shuaicheng Liu , Ziluan Liu , Ziwei Luo , Takahiro Maeda , Julien Mairal , Christian Micheloni , Xuan Mo , Takeru Oba , Pavel Ostyakov , Jean Ponce , Sanghyeok Son , Jian Sun , Norimichi Ukita , Rao Muhammad Umer , Youliang Yan , Lei Yu , Magauiya Zhussip , Xueyi Zou

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

Results and findings of the 2021 Image Similarity Challenge

The 2021 Image Similarity Challenge introduced a dataset to serve as a new benchmark to evaluate recent image copy detection methods. There were 200 participants to the competition. This paper presents a quantitative and qualitative…

Computer Vision and Pattern Recognition · Computer Science 2022-02-09 Zoë Papakipos , Giorgos Tolias , Tomas Jenicek , Ed Pizzi , Shuhei Yokoo , Wenhao Wang , Yifan Sun , Weipu Zhang , Yi Yang , Sanjay Addicam , Sergio Manuel Papadakis , Cristian Canton Ferrer , Ondrej Chum , Matthijs Douze

The First Controllable Bokeh Rendering Challenge at NTIRE 2026

This study presents the outcomes of the first Controllable Bokeh Rendering Challenge at NTIRE and highlights the most effective submitted methodologies. In total, 44 participants registered for the competition, of which 8 teams submitted…

Computer Vision and Pattern Recognition · Computer Science 2026-05-08 Tim Seizinger , Florin-Alexandru Vasluianu , Jeffrey Chen , Zhuyun Zhou , Zongwei Wu , Radu Timofte , Dafeng Zhang , Yipeng Lin , Qi Yan , Junhao Chen , Yang Yang , Divyavardhan Singh , Hariom Thacker , Hammad Mohammad , Aanchal Maurya , Kishor Upla , Kiran Raja , Wei Zhou , Hongyu Huang , Yujin Cho , Grigory Malivenko , Jiachen Tu , Yaokun Shi , Guoyi Xu , Yaoxin Jiang , Jiajia Liu

NTIRE 2026 The Second Challenge on Day and Night Raindrop Removal for Dual-Focused Images: Methods and Results

This paper presents an overview of the NTIRE 2026 Second Challenge on Day and Night Raindrop Removal for Dual-Focused Images. Building upon the success of the first edition, this challenge attracted a wide range of impressive solutions, all…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Xin Li , Yeying Jin , Suhang Yao , Beibei Lin , Zhaoxin Fan , Wending Yan , Xin Jin , Zongwei Wu , Bingchen Li , Peishu Shi , Yufei Wang , Yu Li , Zhibo Chen , Bihan Wen , Robby T. Tan , Radu Timofte , Runzhe Li , Kui Jiang , Zhaocheng Yu , Yiang Chen , Junjun Jiang , Xianming Liu , Hongde Gu , Zeliang Li , Mache You , Jiangxin Dong , Jinshan Pan , Qiyu Rong , Bowen Shao , Hongyuan Jing , Mengmeng Zhang , Bo Ding , Hui Zhang , Yi Ren , Mohab Kishawy , Jun Chen , Anh-Kiet Duong , Petra Gomez-Kramer , Jean-Michel Carozza , Wangzhi Xing , Xin Lu , Enxuan Gu , Jingxi Zhang , Diqi Chen , Qiaosi Yi , Bingcai Wei , Wenjie Li , Bowen Tie , Heng Guo , Zhanyu Ma , Jiachen Tu , Guoyi Xu , Yaoxin Jiang , Cici Liu , Yaokun Shi , Paula Garrido Mellado , Daniel Feijoo , Alvaro Garcia Lara , Marcos V. Conde , Zhidong Zhu , Bangshu Xiong , Qiaofeng Ou , Zhibo Rao , Wei Li , Zida Zhang , Hui Geng , Qisheng Xu , Xuyao Deng , Changjian Wang , Kele Xu , Guanglu Dong , Qiyao Zhao , Tianheng Zheng , Chunlei Li , Lichao Mou , Chao Ren , Chang-De Peng , Chieh-Yu Tsai , Guan-Cheng Liu , Li-Wei Kang , Abhishek Rajak , Milan Kumar Singh , Ankit Kumar , Dimple Sonone , Kishor Upla , Kiran Raja , Huilin Zhao , Xing Xu , Chuan Chen , Yeming Lao , Wenjing Xun , Li Yang , Bilel Benjdira , Anas M. Ali , Wadii Boulila , Hao Yang , Ruikun Zhang , Liyuan Pan

NTIRE 2026 The 3rd Restore Any Image Model (RAIM) Challenge: AI Flash Portrait (Track 3)

In this paper, we present a comprehensive overview of the NTIRE 2026 3rd Restore Any Image Model (RAIM) challenge, with a specific focus on Track 3: AI Flash Portrait. Despite significant advancements in deep learning for image restoration,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Ya-nan Guan , Shaonan Zhang , Hang Guo , Yawen Wang , Xinying Fan , Tianqu Zhuang , Jie Liang , Hui Zeng , Guanyi Qin , Lishen Qu , Tao Dai , Shu-Tao Xia , Lei Zhang , Radu Timofte , Bin Chen , Yuanbo Zhou , Hongwei Wang , Qinquan Gao , Tong Tong , Yanxin Qian , Lizhao You , Jingru Cong , Lei Xiong , Shuyuan Zhu , Zhi-Qiang Zhong , Kan Lv , Yang Yang , Kailing Tang , Minjian Zhang , Zhipei Lei , Zhe Xu , Liwen Zhang , Dingyong Gou , Yanlin Wu , Cong Li , Xiaohui Cui , Jiajia Liu , Guoyi Xu , Yaoxin Jiang , Yaokun Shi , Jiachen Tu , Liqing Wang , Shihang Li , Bo Zhang , Biao Wang , Haiming Xu , Xiang Long , Xurui Liao , Yanqiao Zhai , Haozhe Li , Shijun Shi , Jiangning Zhang , Yong Liu , Kai Hu , Jing Xu , Xianfang Zeng , Yuyang Liu , Minchen Wei