A master thesis from Aalborg University
Supervised Multi-Domain GAN for Low Light Image Synthesis
Author(s)
Term
2. term
Publication year
2022
Submitted on
2022-05-25
Abstract
Low light image enhancement deep learning networks need enormous amount of images for training. State of the art low light enhancement models use a mixture of real low light image datasets and synthetically degraded images by adjusting gamma and adding noise. However, most of the existing datasets are insufficient and the degradation pipelines do not capture the true essence of real low light images. RELLISUR was created to overcome this challenge and provides a large scale real low light to real normal light image dataset. This still does not address every use case in the set of low light image enhancement problems. In order to extend RELLISUR and provide a sophisticated image degradation method, we present a supervised multi-domain GAN for normal light to low light translation. Our model takes real normal light images and generate low light images with specified under exposure value ranging from -2.5EV to -4.0EV. Upon extensive experiments, Our model was also found to provide better and variety of degradation, closer to real low light images.
Documents
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