Synthesis in Style: Semantic Segmentation of Historical Documents using Synthetic Data
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One of the most pressing problems in the automated analysis of historical documents is the availability of annotated training data. In this paper, we propose a novel method for the synthesis of training data for semantic segmentation of document images. We utilize clusters found in intermediate features of a StyleGAN generator for the synthesis of RGB and label images at the same time. Our model can be applied to any dataset of scanned documents without the need for manual annotation of individual images, as each model is custom-fit to the dataset. In our experiments, we show that models trained on our synthetic data can reach competitive performance on open benchmark datasets for line segmentation.
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