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Chobola, T. ; Liu, Y.* ; Zhang, H. ; Schnabel, J.A. ; Peng, T.

Fast context-based low-light image enhancement via neural implicit representations.

In: (Computer Vision – ECCV 2024). Berlin [u.a.]: Springer, 2025. 413-430 (Lect. Notes Comput. Sc. ; 15144)
DOI
Current deep learning-based low-light image enhancement methods often struggle with high-resolution images, and fail to meet the practical demands of visual perception across diverse and unseen scenarios. In this paper, we introduce a novel approach termed CoLIE, which redefines the enhancement process through mapping the 2D coordinates of an underexposed image to its illumination component, conditioned on local context. We propose a reconstruction of enhanced-light images within the HSV space utilizing an implicit neural function combined with an embedded guided filter, thereby significantly reducing computational overhead. Moreover, we introduce a single image-based training loss function to enhance the model's adaptability to various scenes, further enhancing its practical applicability. Through rigorous evaluations, we analyze the properties of our proposed framework, demonstrating its superiority in both image quality and scene adaptability. Furthermore, our evaluation extends to applications in downstream tasks within low-light scenarios, underscoring the practical utility of CoLIE. The source code is available at https://github.com/ctom2/colie.
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Publication type Article: Conference contribution
Corresponding Author
Keywords Low-light image; Illumination estimation; Neural implicit representation
ISSN (print) / ISBN 0302-9743
e-ISSN 1611-3349
Conference Title Computer Vision – ECCV 2024
Journal Lecture Notes in Computer Science
Quellenangaben Volume: 15144, Issue: , Pages: 413-430 Article Number: , Supplement: ,
Publisher Springer
Publishing Place Berlin [u.a.]
Non-patent literature Publications
Institute(s) Helmholtz Artifical Intelligence Cooperation Unit (HAICU)
Lung Health and Immunity (LHI)
Institute for Machine Learning in Biomed Imaging (IML)
Grants Helmholtz Association under the joint research school "Munich School for Data Science -MUDS"