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In this study, we trained a cycle-consistent adversarial network to translate forward-modelled synthetic DAS images into more realistic versions. The CycleGAN generator preserves the structure and positions of the synthetic events and automatically applies dataset-specific characteristics. After training, the generator can synthesize any number of realistic samples from a pool of synthetic events and labels can be directly transferred. The data distributions of these datasets more closely resemble those of the target datasets, which can be used to counteract model generalization issues.