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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…

Bokeh rendering methods play a key role in creating the visually appealing, softly blurred backgrounds seen in professional photography. While recent learning-based approaches show promising results, generating realistic Bokeh with variable…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Tim Seizinger , Florin-Alexandru Vasluianu , Marcos V. Conde , Zongwei Wu , Radu Timofte

This paper summarizes the 3rd NTIRE challenge on stereo image super-resolution (SR) with a focus on new solutions and results. The task of this challenge is to super-resolve a low-resolution stereo image pair to a high-resolution one with a…

Computer Vision and Pattern Recognition · Computer Science 2024-09-26 Longguang Wang , Yulan Guo , Juncheng Li , Hongda Liu , Yang Zhao , Yingqian Wang , Zhi Jin , Shuhang Gu , Radu Timofte

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…

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

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…

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…

This paper presents a comprehensive review of the NTIRE 2026 3D Restoration and Reconstruction (3DRR) Challenge, detailing the proposed methods and results. The challenge seeks to identify robust reconstruction pipelines that are robust…

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…

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

This paper reviews the first challenge on high-dynamic range (HDR) imaging that was part of the New Trends in Image Restoration and Enhancement (NTIRE) workshop, held in conjunction with CVPR 2021. This manuscript focuses on the newly…

Computer Vision and Pattern Recognition · Computer Science 2021-06-04 Eduardo Pérez-Pellitero , Sibi Catley-Chandar , Aleš Leonardis , Radu Timofte

In this paper, we present a comprehensive overview of the NTIRE 2025 challenge on the 2nd Restore Any Image Model (RAIM) in the Wild. This challenge established a new benchmark for real-world image restoration, featuring diverse scenarios…

Image and Video Processing · Electrical Eng. & Systems 2025-06-03 Jie Liang , Radu Timofte , Qiaosi Yi , Zhengqiang Zhang , Shuaizheng Liu , Lingchen Sun , Rongyuan Wu , Xindong Zhang , Hui Zeng , Lei Zhang

This paper reviews the NTIRE 2020 challenge on real image denoising with focus on the newly introduced dataset, the proposed methods and their results. The challenge is a new version of the previous NTIRE 2019 challenge on real image…

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

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…

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

This paper reviews the NTIRE 2020 Challenge on NonHomogeneous Dehazing of images (restoration of rich details in hazy image). We focus on the proposed solutions and their results evaluated on NH-Haze, a novel dataset consisting of 55 pairs…

Bokeh is widely used in photography to draw attention to the subject while effectively isolating distractions in the background. Computational methods simulate bokeh effects without relying on a physical camera lens. However, in the realm…

Graphics · Computer Science 2023-08-21 Yichen Sheng , Zixun Yu , Lu Ling , Zhiwen Cao , Cecilia Zhang , Xin Lu , Ke Xian , Haiting Lin , Bedrich Benes