mrrtmob/km_en_image_line

Khmer-English Image Line Dataset 📄

A large-scale synthetic dataset for training OCR models on Khmer and English text. This dataset contains 5 million high-quality synthetic images of text lines.

🎯 Dataset Overview

• Total Images: 4,826,807
• Languages: Khmer, English, and mixed
• Format: Image-text pairs
• Use Case: OCR model training

📋 Data Fields

• image: PIL Image of the text line
• text: Ground truth text string

💾 Usage

Load with Hugging Face

from datasets import load_dataset

dataset = load_dataset("mrrtmob/km_en_image_line")

# Access an example
example = dataset['train'][0]
image = example['image']  # PIL Image
text = example['text']    # str

Train with Kiri OCR

kiri-ocr train \
    --hf-dataset mrrtmob/km_en_image_line \
    --epochs 50 \
    --batch-size 32

🎨 Dataset Features

• Multiple Khmer and English fonts
• Light and dark backgrounds
• Realistic augmentations (noise, blur, rotation)
• Variable text lengths (5-100 characters)

📚 Citation

@dataset{km_en_image_line,
  author = {mrrtmob},
  title = {Khmer-English Image Line Dataset},
  year = {2026},
  publisher = {Blizzer},
  howpublished = {\url{https://huggingface.co/datasets/mrrtmob/km_en_image_line}}
}

⚖️ License

Apache License 2.0

🔗 Related

• Kiri OCR Library: github.com/mrrtmob/kiri-ocr

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