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NTIRE 2021 : CVPR 2021- New Trends in Image Restoration and Enhancement workshop and challenges


When Jun 19, 2021 - Jun 19, 2021
Where Virtual, Nashville, Tennessee, US
Submission Deadline Mar 15, 2021
Notification Due Apr 8, 2021
Final Version Due Apr 18, 2021
Categories    computational photography   image processing   deep learning   inverse problems

Call For Papers

NTIRE: 6th New Trends in Image Restoration and Enhancement workshop and challenges 2021
In conjunction with CVPR 2021
Contact: radu.timofte [at]


Image restoration, enhancement and manipulation are key computer vision tasks, aiming at the restoration of degraded image content, the filling in of missing information, or the needed transformation and/or manipulation to achieve a desired target (with respect to perceptual quality, contents, or performance of apps working on such images). Recent years have witnessed an increased interest from the vision and graphics communities in these fundamental topics of research. Not only has there been a constantly growing flow of related papers, but also substantial progress has been achieved.

Each step forward eases the use of images by people or computers for the fulfillment of further tasks, as image restoration, enhancement and manipulation serves as an important frontend. Not surprisingly then, there is an ever growing range of applications in fields such as surveillance, the automotive industry, electronics, remote sensing, or medical image analysis etc. The emergence and ubiquitous use of mobile and wearable devices offer another fertile ground for additional applications and faster methods.

This workshop aims to provide an overview of the new trends and advances in those areas. Moreover, it will offer an opportunity for academic and industrial attendees to interact and explore collaborations.

This workshop builds upon the success of the previous NTIRE editions: at CVPR 2017, 2018, 2019 and 2020 and at ACCV 2016. Moreover, it relies on all the people associated with the CLIC 2018, 2019, 2020 , PIRM 2018, AIM 2019, 2020 and NTIRE events such as organizers, PC members, distinguished speakers, authors of published paper, challenge participants and winning teams.


Papers addressing topics related to image restoration, enhancement and manipulation are invited. The topics include, but are not limited to:

● Image/video inpainting
● Image/video deblurring
● Image/video denoising
● Image/video upsampling and super-resolution
● Image/video filtering
● Image/video de-hazing, de-raining, de-snowing, etc.
● Demosaicing
● Image/video compression
● Removal of artifacts, shadows, glare and reflections, etc.
● Image/video enhancement: brightening, color adjustment, sharpening, etc.
● Style transfer
● Hyperspectral imaging
● Underwater imaging
● Methods robust to changing weather conditions / adverse outdoor conditions
● Image/video restoration, enhancement, manipulation on constrained settings
● Image/video processing on mobile devices
● Visual domain translation
● Multimodal translation
● Perceptual enhancement
● Perceptual manipulation
● Image/video generation and hallucination
● Image/video quality assessment
● Image/video semantic segmentation, depth estimation
● Studies and applications of the above.


A paper submission has to be in English, in pdf format, and at most 8 pages (excluding references) in CVPR style. The paper format must follow the same guidelines as for all CVPR submissions.
The review process is double blind. Authors do not know the names of the chair/reviewers of their papers. Reviewers do not know the names of the authors.
Dual submission is allowed with CVPR main conference only. If a paper is submitted also to CVPR and accepted, the paper cannot be published both at the CVPR and the workshop.

For the paper submissions, please go to the online submission site

Accepted and presented papers will be published after the conference in the CVPR Workshops Proceedings on by IEEE ( and Computer Vision Foundation (

The author kit provides a LaTeX2e template for paper submissions. Please refer to the example for detailed formatting instructions. If you use a different document processing system then see the CVPR author instruction page.

Author Kit:

Workshop Dates

● Regular Papers Submission Deadline: March 15, 2021 (EXTENDED)
● Challenge Papers Submission Deadline: April 02, 2021
● Decisions: April 08, 2021
● Camera Ready Deadline: April 15, 2021

NTIRE 2021 has the following associated groups of challenges (ONGOING!):

-image challenges:
● defocus deblurring using dual-pixel images
● depth guided relighting (one-to-one and any-to-any)
● aerial images
● super-resolution
● perceptual image quality assessment
● deblurring (low res and Jpeg artifacts)
● dehazing (nonhomogeneous haze)

-video challenges:
● enhancement of compressed videos (fixed QP, fidelity & perceptual, fixed bit-rate)
● super-resolution (spatial and spatio-temporal)
● burst super-resolution (synthetic and real data)
● High Dynamic Range (HDR)


To learn more about the challenges and to participate:

Challenges Dates

● Release of train data: January 01, 2021
● Validation server online: January 05, 2021
● Competitions end: March 20, 2021


● Radu Timofte, ETH Zurich
● Shuhang Gu, OPPO & University of Sydney
● Lei Zhang, Alibaba & The Hong Kong Polytechnic University
● Ming-Hsuan Yang, University of California at Merced & Google
● Andreas Lugmayr, ETH Zurich
● Martin Danelljan, ETH Zurich
● Cosmin Ancuti, Université catholique de Louvain (UCL)
● Codruta O. Ancuti, University Politehnica Timisoara
● Kyoung Mu Lee, Seoul National University
● Michael S. Brown, York University
● Eli Shechtman, Creative Intelligence Lab at Adobe Research
● Seungjun Nah, Seoul National University, Korea
● Abdullah Abuolaim, York University, Canada
● Eduardo Perez-Pellitero, Huawei Noah's Ark Lab, UK
● Ales Leonardis, Huawei Noah's Ark Lab & University of Birmingham
● Sanghyun Son, Seoul National University
● Suyoung Lee, Seoul National University
● Ren Yang, ETH Zurich
● Ruofan Zhou, EPFL
● Majed El Helou, EPFL
● Sabine Süsstrunk, EPFL
● Chao Dong, SIAT
● Jimmy Ren, SenseTime
● Oliver Nina, AF Research Lab
● Bob Lee, Wright Brothers Institute
● Jinjin Gu, University of Sydney
● Luc Van Gool, KU Leuven and ETH Zurich

Program Committee (to be updated)

Cosmin Ancuti, Universitatea Politehnica Timisoara, Romania
Nick Barnes, Data61, Australia
Michael S. Brown, York University, Canada
Subhasis Chaudhuri, IIT Bombay, India
Sunghyun Cho, Samsung
Christophe De Vleeschouwer, Université catholique de Louvain (UCL), Belgium
Chao Dong, SenseTime
Weisheng Dong, Xidian University, China
Alexey Dosovitskiy, Intel Labs
Touradj Ebrahimi, EPFL, Switzerland
Michael Elad, Technion, Israel
Corneliu Florea, University Politehnica of Bucharest, Romania
Alessandro Foi, Tampere University of Technology, Finland
Peter Gehler, University of Tübingen, MPI Intelligent Systems, Amazon, Germany
Bastian Goldluecke, University of Konstanz, Germany
Luc Van Gool, ETH Zürich and KU Leuven, Belgium
Shuhang Gu, ETH Zürich, Switzerland
Michael Hirsch, Amazon
Hiroto Honda, DeNA Co., Japan
Jia-Bin Huang, Virginia Tech, US
Michal Irani, Weizmann Institute, Israel
Phillip Isola, UC Berkeley, US
Zhe Hu,
Sing Bing Kang, Microsoft Research, US
Jan Kautz, NVIDIA Research, US
Seon Joo Kim, Yonsei University, Korea
Vivek Kwatra, Google
In So Kweon, KAIST, Korea
Christian Ledig, Twitter Inc.
Kyoung Mu Lee, Seoul National University, South Korea
Seungyong Lee, POSTECH, South Korea
Stephen Lin, Microsoft Research Asia
Chen Change Loy, Chinese University of Hong Kong
Vladimir Lukin, National Aerospace University, Ukraine
Kai-Kuang Ma, Nanyang Technological University, Singapore
Vasile Manta, Technical University of Iasi, Romania
Yasuyuki Matsushita, Osaka University, Japan
Peyman Milanfar, Google and UCSC, US
Rafael Molina Soriano, University of Granada, Spain
Yusuke Monno, Tokyo Institute of Technology, Japan
Hajime Nagahara, Osaka University, Japan
Vinay P. Namboodiri, IIT Kanpur, India
Sebastian Nowozin, Microsoft Research Cambridge, UK
Federico Perazzi, Disney Research
Aleksandra Pizurica, Ghent University, Belgium
Sylvain Paris, Adobe
Fatih Porikli, Australian National University, NICTA, Australia
Hayder Radha, Michigan State University, US
Tobias Ritschel, University College London, UK
Antonio Robles-Kelly, CSIRO, Australia
Stefan Roth, TU Darmstadt, Germany
Aline Roumy, INRIA, France
Jordi Salvador, Amazon, US
Yoichi Sato, University of Tokyo, Japan
Konrad Schindler, ETH Zurich, Switzerland
Samuel Schulter, NEC Labs America
Nicu Sebe, University of Trento, Italy
Eli Shechtman, Adobe Research, US
Boxin Shi, National Institute of Advanced Industrial Science and Technology (AIST), Japan
Wenzhe Shi, Twitter Inc.
Alexander Sorkine-Hornung, Disney Research
Sabine Süsstrunk, EPFL, Switzerland
Yu-Wing Tai, Tencent Youtu
Hugues Talbot, Université Paris Est, France
Robby T. Tan, Yale-NUS College, Singapore
Masayuki Tanaka, Tokyo Institute of Technology, Japan
Jean-Philippe Tarel, IFSTTAR, France
Radu Timofte, ETH Zürich, Switzerland
George Toderici, Google, US
Ashok Veeraraghavan, Rice University, US
Jue Wang, Megvii Research, US
Chih-Yuan Yang, UC Merced, US
Jianchao Yang, Snapchat
Ming-Hsuan Yang, University of California at Merced, US
Qingxiong Yang, Didi Chuxing, China
Jong Chul Ye, KAIST, Korea
Jason Yosinski, Uber AI Labs, US
Wenjun Zeng, Microsoft Research
Lei Zhang, The Hong Kong Polytechnic University
Wangmeng Zuo, Harbin Institute of Technology, China

Speakers (TBU)

Alan Bovik, University of Texas at Austin
Qi Tian, Huawei Cloud AI
Christian Theobalt, Max Planck Institute for Informatics, Saarland University
Wangmeng Zuo, Harbin Institute of Technology
Federico Perazzi & Rakesh Ranjan, Facebook Reality Labs

Sponsors (TBU)

Facebook Reality Labs
Huawei Noah's Ark
Wright Brothers Institute
ETH Zurich / CVL


Email: radu.timofte [at]

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