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As the quality of optical sensors improves, there is a need for processing large-scale images. In particular, the ability of devices to capture ultra-high definition (UHD) images and video places new demands on the image processing…

Computer Vision and Pattern Recognition · Computer Science 2022-12-23 Tao Wang , Kaihao Zhang , Tianrun Shen , Wenhan Luo , Bjorn Stenger , Tong Lu

Shadow removal and segmentation remain challenging tasks in computer vision, particularly in complex real world scenarios. This study presents a novel approach that enhances the ShadowFormer model by incorporating Masked Autoencoder (MAE)…

Computer Vision and Pattern Recognition · Computer Science 2024-11-13 Shreyans Jain , Viraj Vekaria , Karan Gandhi , Aadya Arora

This paper reviews the NTIRE 2024 Portrait Quality Assessment Challenge, highlighting the proposed solutions and results. This challenge aims to obtain an efficient deep neural network capable of estimating the perceptual quality of real…

Computer Vision and Pattern Recognition · Computer Science 2024-04-18 Nicolas Chahine , Marcos V. Conde , Daniela Carfora , Gabriel Pacianotto , Benoit Pochon , Sira Ferradans , Radu Timofte

In this report, we introduce NICE (New frontiers for zero-shot Image Captioning Evaluation) project and share the results and outcomes of 2023 challenge. This project is designed to challenge the computer vision community to develop 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 report introduces a solution to the Topic 1 Zero-shot Image Captioning of 2024 NICE : New frontiers for zero-shot Image Captioning Evaluation. In contrast to NICE 2023 datasets, this challenge involves new annotations by humans with…

Computer Vision and Pattern Recognition · Computer Science 2024-04-30 Longfei Huang , Shupeng Zhong , Xiangyu Wu , Ruoxuan Li

This paper reviews the AIM 2025 (Advances in Image Manipulation) Low-Light RAW Video Denoising Challenge. The task is to develop methods that denoise low-light RAW video by exploiting temporal redundancy while operating under exposure-time…

We introduce the AIM 2025 Real-World RAW Image Denoising Challenge, aiming to advance efficient and effective denoising techniques grounded in data synthesis. The competition is built upon a newly established evaluation benchmark featuring…

Computer Vision and Pattern Recognition · Computer Science 2025-10-09 Feiran Li , Jiacheng Li , Marcos V. Conde , Beril Besbinar , Vlad Hosu , Daisuke Iso , Radu Timofte

The increasing demand for computational photography and imaging on mobile platforms has led to the widespread development and integration of advanced image sensors with novel algorithms in camera systems. However, the scarcity of…

Sensor fusion is a crucial augmentation technique for improving the accuracy and reliability of perception systems for automated vehicles under diverse driving conditions. However, adverse weather and low-light conditions remain…

Computer Vision and Pattern Recognition · Computer Science 2023-05-30 Can Cui , Yunsheng Ma , Juanwu Lu , Ziran Wang

In this technical report, we briefly introduce the solution of our team "TAL-ai" for (Semi-) supervised Face detection in the low light condition in UG2+ Challenge in CVPR 2021. By conducting several experiments with popular image…

Computer Vision and Pattern Recognition · Computer Science 2021-07-05 Pengcheng Wang , Lingqiao Ji , Zhilong Ji , Yuan Gao , Xiao Liu

We introduce a camera pipeline for rendering visually pleasing photographs in low light conditions, as part of the NTIRE2022 Night Photography Rendering challenge. Given the nature of the task, where the objective is verbally defined by an…

Computer Vision and Pattern Recognition · Computer Science 2022-04-20 Simone Zini , Claudio Rota , Marco Buzzelli , Simone Bianco , Raimondo Schettini

Facial landmark detection is a very fundamental and significant vision task with many important applications. In practice, facial landmark detection can be affected by a lot of natural degradations. One of the most common and important…

Computer Vision and Pattern Recognition · Computer Science 2021-11-30 Lan Fu , Qing Guo , Felix Juefei-Xu , Hongkai Yu , Wei Feng , Yang Liu , Song Wang

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

This report describes the solution that secured the first place in the "View Synthesis Challenge for Human Heads (VSCHH)" at the ICCV 2023 workshop. Given the sparse view images of human heads, the objective of this challenge is to…

Computer Vision and Pattern Recognition · Computer Science 2023-12-18 Ruijie Zhu , Jiahao Chang , Ziyang Song , Jiahuan Yu , Tianzhu Zhang

Shadow removal is an important computer vision task aiming at the detection and successful removal of the shadow produced by an occluded light source and a photo-realistic restoration of the image contents. Decades of re-search produced a…

Computer Vision and Pattern Recognition · Computer Science 2020-10-23 Florin-Alexandru Vasluianu , Andres Romero , Luc Van Gool , Radu Timofte

Generative models for image restoration, enhancement, and generation have significantly improved the quality of the generated images. Surprisingly, these models produce more pleasant images to the human eye than other methods, yet, they may…

Image and Video Processing · Electrical Eng. & Systems 2022-04-28 Marcos V. Conde , Maxime Burchi , Radu Timofte

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