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High Dynamic Range (HDR) imaging aims to reproduce the wide range of brightness levels present in natural scenes, which the human visual system can perceive but conventional digital cameras often fail to capture due to their limited dynamic…

Image and Video Processing · Electrical Eng. & Systems 2025-10-28 Kumbha Nagaswetha

This paper provides a comprehensive review of the NTIRE 2024 challenge, focusing on efficient single-image super-resolution (ESR) solutions and their outcomes. The task of this challenge is to super-resolve an input image with a…

Computer Vision and Pattern Recognition · Computer Science 2024-06-26 Bin Ren , Yawei Li , Nancy Mehta , Radu Timofte , Hongyuan Yu , Cheng Wan , Yuxin Hong , Bingnan Han , Zhuoyuan Wu , Yajun Zou , Yuqing Liu , Jizhe Li , Keji He , Chao Fan , Heng Zhang , Xiaolin Zhang , Xuanwu Yin , Kunlong Zuo , Bohao Liao , Peizhe Xia , Long Peng , Zhibo Du , Xin Di , Wangkai Li , Yang Wang , Wei Zhai , Renjing Pei , Jiaming Guo , Songcen Xu , Yang Cao , Zhengjun Zha , Yan Wang , Yi Liu , Qing Wang , Gang Zhang , Liou Zhang , Shijie Zhao , Long Sun , Jinshan Pan , Jiangxin Dong , Jinhui Tang , Xin Liu , Min Yan , Qian Wang , Menghan Zhou , Yiqiang Yan , Yixuan Liu , Wensong Chan , Dehua Tang , Dong Zhou , Li Wang , Lu Tian , Barsoum Emad , Bohan Jia , Junbo Qiao , Yunshuai Zhou , Yun Zhang , Wei Li , Shaohui Lin , Shenglong Zhou , Binbin Chen , Jincheng Liao , Suiyi Zhao , Zhao Zhang , Bo Wang , Yan Luo , Yanyan Wei , Feng Li , Mingshen Wang , Yawei Li , Jinhan Guan , Dehua Hu , Jiawei Yu , Qisheng Xu , Tao Sun , Long Lan , Kele Xu , Xin Lin , Jingtong Yue , Lehan Yang , Shiyi Du , Lu Qi , Chao Ren , Zeyu Han , Yuhan Wang , Chaolin Chen , Haobo Li , Mingjun Zheng , Zhongbao Yang , Lianhong Song , Xingzhuo Yan , Minghan Fu , Jingyi Zhang , Baiang Li , Qi Zhu , Xiaogang Xu , Dan Guo , Chunle Guo , Jiadi Chen , Huanhuan Long , Chunjiang Duanmu , Xiaoyan Lei , Jie Liu , Weilin Jia , Weifeng Cao , Wenlong Zhang , Yanyu Mao , Ruilong Guo , Nihao Zhang , Qian Wang , Manoj Pandey , Maksym Chernozhukov , Giang Le , Shuli Cheng , Hongyuan Wang , Ziyan Wei , Qingting Tang , Liejun Wang , Yongming Li , Yanhui Guo , Hao Xu , Akram Khatami-Rizi , Ahmad Mahmoudi-Aznaveh , Chih-Chung Hsu , Chia-Ming Lee , Yi-Shiuan Chou , Amogh Joshi , Nikhil Akalwadi , Sampada Malagi , Palani Yashaswini , Chaitra Desai , Ramesh Ashok Tabib , Ujwala Patil , Uma Mudenagudi

Most of the real world scenes have a very high dynamic range (HDR). The mobile phone cameras and the digital cameras available in markets are limited in their capability in both the range and spatial resolution. Same argument can be posed…

Computer Vision and Pattern Recognition · Computer Science 2013-05-21 Govind Salvi , Puneet Sharma , Shanmuganathan Raman

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

High dynamic range (HDR) imaging has recently drawn much attention in multimedia community. In this paper, we proposed a HDR image forensics method based on convolutional neural network (CNN).To our best knowledge, this is the first time to…

Computer Vision and Pattern Recognition · Computer Science 2019-03-01 Yongqing Huo , Xiaofeng Zhu

HDR is an important part of computational photography technology. In this paper, we propose a lightweight neural network called Efficient Attention-and-alignment-guided Progressive Network (EAPNet) for the challenge NTIRE 2022 HDR Track 1…

Computer Vision and Pattern Recognition · Computer Science 2022-04-21 Gaocheng Yu , Jin Zhang , Zhe Ma , Hongbin Wang

High dynamic range imaging (HDRI) for real-world dynamic scenes is challenging because moving objects may lead to hybrid degradation of low dynamic range and motion blur. Existing event-based approaches only focus on a separate task, while…

Computer Vision and Pattern Recognition · Computer Science 2024-04-05 Li Xiaopeng , Zeng Zhaoyuan , Fan Cien , Zhao Chen , Deng Lei , Yu Lei

In this paper, we propose a novel deep neural network model that reconstructs a high dynamic range (HDR) image from a single low dynamic range (LDR) image. The proposed model is based on a convolutional neural network composed of dilated…

Computer Vision and Pattern Recognition · Computer Science 2020-06-30 Siyeong Lee , Gwon Hwan An , Suk-Ju Kang

High dynamic range (HDR) and wide color gamut (WCG) technologies significantly improve color reproduction compared to standard dynamic range (SDR) and standard color gamuts, resulting in more accurate, richer, and more immersive images.…

Thanks to High Dynamic Range (HDR) imaging methods, the scope of photography has seen profound changes recently. To be more specific, such methods try to reconstruct the lost luminosity of the real world caused by the limitation of regular…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Ali Reza Omrani , Davide Moroni

High dynamic range (HDR) imaging is still a challenging task in modern digital photography. Recent research proposes solutions that provide high-quality acquisition but at the cost of a very large number of operations and a slow inference…

Computer Vision and Pattern Recognition · Computer Science 2023-02-13 Steven Tel , Barthélémy Heyrman , Dominique Ginhac

In this report, we summarize the first NTIRE challenge on light field (LF) image super-resolution (SR), which aims at super-resolving LF images under the standard bicubic degradation with a magnification factor of 4. This challenge develops…

Computer Vision and Pattern Recognition · Computer Science 2023-04-21 Yingqian Wang , Longguang Wang , Zhengyu Liang , Jungang Yang , Radu Timofte , Yulan Guo

Reconstructing high dynamic range (HDR) images from low dynamic range (LDR) bursts plays an essential role in the computational photography. Impressive progress has been achieved by learning-based algorithms which require LDR-HDR image…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Wei Jiang , Jiahao Cui , Yizheng Wu , Zhan Peng , Zhiyu Pan , Zhiguo Cao

Image relighting is attracting increasing interest due to its various applications. From a research perspective, image relighting can be exploited to conduct both image normalization for domain adaptation, and also for data augmentation. It…

Computer Vision and Pattern Recognition · Computer Science 2021-04-28 Majed El Helou , Ruofan Zhou , Sabine Susstrunk , Radu Timofte

High dynamic range (HDR) image is widely-used in graphics and photography due to the rich information it contains. Recently the community has started using deep neural network (DNN) to reconstruct standard dynamic range (SDR) images into…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Cheng Guo , Xiuhua Jiang

This paper presents an overview of the NTIRE 2026 Challenge on Robust AI-Generated Image Detection in the Wild, held in conjunction with the NTIRE workshop at CVPR 2026. The goal of this challenge was to develop detection models capable of…

High Dynamic Range (HDR) content creation has become an important topic for modern media and entertainment sectors, gaming and Augmented/Virtual Reality industries. Many methods have been proposed to recreate the HDR counterparts of input…

Computer Vision and Pattern Recognition · Computer Science 2023-09-08 Hrishav Bakul Barua , Ganesh Krishnasamy , KokSheik Wong , Kalin Stefanov , Abhinav Dhall

Image correction aims to adjust an input image into a visually pleasing one. Existing approaches are proposed mainly from the perspective of image pixel manipulation. They are not effective to recover the details in the under/over exposed…

Computer Vision and Pattern Recognition · Computer Science 2018-04-13 Xin Yang , Ke Xu , Yibing Song , Qiang Zhang , Xiaopeng Wei , Rynson Lau

This paper presents a comprehensive review of the NTIRE 2026 Low Light Image Enhancement Challenge, highlighting the proposed solutions and final results. The objective of this challenge is to identify effective networks capable of…

Recent High Dynamic Range (HDR) techniques extend the capabilities of current cameras where scenes with a wide range of illumination can not be accurately captured with a single low-dynamic-range (LDR) image. This is generally accomplished…

Computer Vision and Pattern Recognition · Computer Science 2022-04-26 Michal Nazarczuk , Sibi Catley-Chandar , Ales Leonardis , Eduardo Pérez-Pellitero