English

OCR-Quality: A Human-Annotated Dataset for OCR Quality Assessment

Computer Vision and Pattern Recognition 2025-10-28 v1 Artificial Intelligence

Abstract

We present OCR-Quality, a comprehensive human-annotated dataset designed for evaluating and developing OCR quality assessment methods. The dataset consists of 1,000 PDF pages converted to PNG images at 300 DPI, sampled from diverse real-world scenarios, including academic papers, textbooks, e-books, and multilingual documents. Each document has been processed using state-of-the-art Vision-Language Models (VLMs) and manually annotated with quality scores using a 4-level scoring system (1: Excellent, 2: Good, 3: Fair, 4: Poor). The dataset includes detailed source information, annotation guidelines, and representative cases across various difficulty levels. OCR-Quality addresses the critical need for reliable OCR quality assessment in real-world applications and provides a valuable benchmark for training and evaluating OCR verification systems. The dataset is publicly available at https://huggingface.co/datasets/Aslan-mingye/OCR-Quality .

Keywords

Cite

@article{arxiv.2510.21774,
  title  = {OCR-Quality: A Human-Annotated Dataset for OCR Quality Assessment},
  author = {Yulong Zhang},
  journal= {arXiv preprint arXiv:2510.21774},
  year   = {2025}
}
R2 v1 2026-07-01T07:04:34.201Z