I wanted to experiment with GPT-4 vision, reading an image and converting it to JSON for use with AI.

Michael Wahl
6 min readNov 15, 2024

Here’s a concise summary of the project:

Project: OCR-AI-JSON

Goal: Create a system to extract structured data from receipt images using GPT-4 Vision and convert them to standardized JSON format using docling https://github.com/DS4SD/docling-core. With Docling, you can quickly structure and organize data within a document to maximize the efficiency of AI models in understanding and extracting valuable information.

Key Accomplishments:

Core Implementation

  • Successful integration with GPT-4 Vision API
  • Reliable text extraction from receipt images
  • Conversion of unstructured text to structured JSON
  • Implementation of both Docling and custom parsing solutions

Data Validation & Quality

  • Built a comprehensive validation system for calculations
  • Added metrics and analytics for receipt data
  • Implemented error detection and reporting
  • Established data quality guardrails

Architecture & Features

  • Modular design with clear separation of concerns
  • Robust error handling and logging
  • Support for multiple output formats (text, markdown…

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Michael Wahl
Michael Wahl

Written by Michael Wahl

Husband | Dad | VP of IT | MBA | Author | AI | #AWSCommunityBuilder | Opinions expressed here are my own | https://cv.michaelwahl.org

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