SyntheticDoc: A Large Synthetic Dataset for Document Unwarping and Illumination Correction

• URL: http://arxiv.org/abs/2609.15503v1
• Date: Mon, 14 Sep 2026 12:54:47 GMT
• Title: SyntheticDoc: A Large Synthetic Dataset for Document Unwarping and Illumination Correction
• Abstract summary: We introduce SyntheticDoc, a massive, high-quality dataset designed to push the boundaries of document unwarping.<n>SyntheticDoc is composed of 1,000,000 high-resolution procedurally generated training samples, alongside extensive validation and test sets.<n>To ensure physical accuracy and photorealism, the paper geometries are generated via a physics-based simulator and rendered using a path tracer.
• Score: 12.131842710988144
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Deep learning models have become the standard tool for document rectification and illumination correction, yet their performance is fundamentally bound by their training data. For nearly a decade, the community has heavily relied on Doc3D, a pioneering but increasingly limited document unwarping dataset in terms of scale and quality. To address this bottleneck, we introduce SyntheticDoc, a massive, high-quality dataset designed to push the boundaries of document unwarping. SyntheticDoc is composed of 1,000,000 high-resolution procedurally generated training samples, alongside extensive validation and test sets. Each sample is paired with rich, pixel-perfect annotations, including UV maps, normal maps, albedo and shading. To ensure physical accuracy and photorealism, the paper geometries are generated via a physics-based simulator and rendered using a path tracer. To demonstrate the benefit of our dataset, we train a simple baseline model on SyntheticDoc and report on its performance in comparison to state-of-the-art methods on both document unwarping and illumination correction tasks. Our dataset is available at https://igl.ethz.ch/projects/SyntheticDoc/ and the code used to generate it at https://github.com/tanguymagne/SyntheticDoc .

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