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Related papers: The Ninth NTIRE 2024 Efficient Super-Resolution Ch…

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Efficient single-image super-resolution (SISR) requires balancing reconstruction fidelity, model compactness, and robustness under low-bit deployment, which is especially challenging for x3 SR. We present a deployment-oriented quantized…

Computer Vision and Pattern Recognition · Computer Science 2026-04-23 Pham Phuong Nam Nguyen , Nam Tien Le , Thi Kim Trang Vo , Nhu Tinh Anh Nguyen

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,…

Motion blur is one of the most common degradation artifacts in dynamic scene photography. This paper reviews the NTIRE 2020 Challenge on Image and Video Deblurring. In this challenge, we present the evaluation results from 3 competition…

Computer Vision and Pattern Recognition · Computer Science 2020-05-12 Seungjun Nah , Sanghyun Son , Radu Timofte , Kyoung Mu Lee

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…

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

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

This paper reviews the video extreme super-resolution challenge associated with the AIM 2020 workshop at ECCV 2020. Common scaling factors for learned video super-resolution (VSR) do not go beyond factor 4. Missing information can be…

Super-resolution suffers from an innate ill-posed problem that a single low-resolution (LR) image can be from multiple high-resolution (HR) images. Recent studies on the flow-based algorithm solve this ill-posedness by learning the…

Computer Vision and Pattern Recognition · Computer Science 2022-04-22 Ki-Ung Song , Dongseok Shim , Kang-wook Kim , Jae-young Lee , Younggeun Kim

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…

Single Image Super-Resolution (SISR) is a crucial task in low-level computer vision, aiming to reconstruct high-resolution images from low-resolution counterparts. Conventional attention mechanisms have significantly improved SISR…

Image and Video Processing · Electrical Eng. & Systems 2024-05-14 Cheng Wan , Hongyuan Yu , Zhiqi Li , Yihang Chen , Yajun Zou , Yuqing Liu , Xuanwu Yin , Kunlong Zuo

With the advent of smart devices that support 4K and 8K resolution, Single Image Super Resolution (SISR) has become an important computer vision problem. However, most super resolution deep networks are computationally very expensive. In…

Image and Video Processing · Electrical Eng. & Systems 2022-03-21 Kartikeya Bhardwaj , Milos Milosavljevic , Liam O'Neil , Dibakar Gope , Ramon Matas , Alex Chalfin , Naveen Suda , Lingchuan Meng , Danny Loh

With the popularity of mobile devices, e.g., smartphone and wearable devices, lighter and faster model is crucial for the application of video super resolution. However, most previous lightweight models tend to concentrate on reducing…

Computer Vision and Pattern Recognition · Computer Science 2022-09-01 Tianyu Xu , Zhuang Jia , Yijian Zhang , Long Bao , Heng Sun

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

This paper provides a review of the NTIRE 2026 challenge on real-world face restoration, highlighting the proposed solutions and the resulting outcomes. The challenge focuses on generating natural and realistic outputs while maintaining…

Though recent years have witnessed remarkable progress in single image super-resolution (SISR) tasks with the prosperous development of deep neural networks (DNNs), the deep learning methods are confronted with the computation and memory…

Image and Video Processing · Electrical Eng. & Systems 2023-02-15 Zheng Zhan , Yifan Gong , Pu Zhao , Geng Yuan , Wei Niu , Yushu Wu , Tianyun Zhang , Malith Jayaweera , David Kaeli , Bin Ren , Xue Lin , Yanzhi Wang

In this paper, we review the NTIRE 2024 challenge on Restore Any Image Model (RAIM) in the Wild. The RAIM challenge constructed a benchmark for image restoration in the wild, including real-world images with/without reference ground truth…

Computer Vision and Pattern Recognition · Computer Science 2024-05-17 Jie Liang , Radu Timofte , Qiaosi Yi , Shuaizheng Liu , Lingchen Sun , Rongyuan Wu , Xindong Zhang , Hui Zeng , Lei Zhang

Single image super-resolution (SISR) aims to recover the high-resolution (HR) image from its low-resolution (LR) input image. With the development of deep learning, SISR has achieved great progress. However, It is still a challenge to…

Image and Video Processing · Electrical Eng. & Systems 2020-10-01 Yingxue Pang , Xin Li , Xin Jin , Yaojun Wu , Jianzhao Liu , Sen Liu , Zhibo Chen

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…