Book Metadata Extractor

A web application that extracts metadata from book images using OCR and outputs the results in JSON format.

Features

• Extracts metadata from book cover images and title pages
• Supports multiple image uploads (batch processing)
• Extracts the following metadata:
  • Title
  • Authors
  • ISBN (10 or 13 digits)
  • Publishers
  • Publication date
  • Edition
• Responsive web interface with drag-and-drop support
• Outputs clean, structured JSON data

JSON Schema

The extracted metadata follows this schema:

{
  "title": "string | null",
  "authors": ["string"],
  "isbn": "string | null",
  "publishers": ["string"],
  "publication_date": "string | null",
  "edition": "string | null",
  "filename": "string"
}

Installation

1. Install Tesseract OCR

   • Windows: Download and install from UB Mannheim
   • macOS: brew install tesseract
   • Linux: sudo apt install tesseract-ocr

2. Clone the repository

   git clone <repository-url>
   cd book_metadata_extractor

3. Create a virtual environment (recommended)

   python -m venv venv
   source venv/bin/activate  # On Windows: .\venv\Scripts\activate

4. Install Python dependencies

   pip install -r requirements.txt

Usage

1. Start the application

   python app.py

2. Open your web browser Visit http://localhost:5000

3. Upload book images

   • Drag and drop images or click to select files
   • Click "Process Images" to extract metadata

Dependencies

• Python 3.7+
• Tesseract OCR
• Flask
• pytesseract
• opencv-python
• Pillow
• python-dateutil

License

This project is open source and available under the MIT License.

Contributing

Contributions are welcome! Please feel free to submit a Pull Request.