NTIRE 2025 Challenge on Night Photography Rendering

Download PDF
Open Webpage

Egor I. Ershov, Sergey Korchagin, Aleksei Khalin, Artyom Panshin, Arseniy P. Terekhin, Ekaterina Zaychenkova, Georgiy Lobarev, Vsevolod Plokhotnyuk, Denis Abramov, Elisey Zhdanov, Sofia Dorogova, Yasin Mamedov, Nikola Banic, Georgy Perevozchikov, Radu Timofte, Lize Zhang, Yuqian Zhang, Shuai Liu, Chaoyu Feng, Luyang Wang et al. (32 additional authors not shown)

Published: 2025, Last Modified: 30 Sept 2025CVPR Workshops 2025EveryoneRevisionsBibTeXCC BY-SA 4.0
Abstract: This paper presents a review of the NTIRE 2025 challenge on night photography rendering. The goal of the challenge was to find solutions that process raw smartphone images taken in nighttime conditions, producing output images that replicate the pipeline of a professional camera. Unlike the previous year's competition, this year a unique imaging setup was introduced: each scene was captured both by a smartphone and a professional camera with the help of a beam-splitter cube. There were two nominations: best objective quality and mean opinion score-based quality. To evaluate the objective score, the SSIM and PSNR metrics were utilized. To evaluate the MOS-based quality, a sufficient number of viewers were asked to assess the similarity of the proposed solutions to the ground truth image taken by the professional camera. The top ranking participants' solutions effectively represent the state-of-the-art in nighttime photography rendering. More results can be found at https://nightimaging.org.