Removing Image Artifacts From Scratched Lens Protectors

Yufei Wang, Renjie Wan, Wenhan Yang, Bihan Wen*, Lap-Pui Chau, Alex Kot

*Corresponding author for this work

Research output: Chapter in book/report/conference proceedingConference proceedingpeer-review


A protector is placed in front of the camera lens for mobile devices to avoid damage, while the protector itself can be easily scratched accidentally, especially for plastic ones. The artifacts appear in a wide variety of patterns, making it difficult to see through them clearly. Removing image artifacts from the scratched lens protector is inherently challenging due to the occasional flare artifacts and the co-occurring interference within mixed artifacts. Though different methods have been proposed for some specific distortions, they seldom consider such inherent challenges. In our work, we consider the inherent challenges in a unified framework with two cooperative modules, which facilitate the performance boost of each other. We also collect a new dataset from the real world to facilitate training and evaluation purposes. The experimental results demonstrate that our method outperforms the baselines qualitatively and quantitatively. The code and datasets will be released at
Original languageEnglish
Title of host publicationProceedings of IEEE International Symposium on Circuits and Systems, ISCAS 2023
Number of pages5
ISBN (Electronic)9781665451093
ISBN (Print)9781665451109
Publication statusPublished - 24 May 2023

Publication series

NameIEEE International Symposium on Circuits and Systems (ISCAS)
ISSN (Print)0271-4302
ISSN (Electronic)2158-1525

Scopus Subject Areas

  • Electrical and Electronic Engineering


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