ethan-yz-hao / equation-ocr-app

OCR application for converting handwritten equations into LaTeX code using OpenAI's GPT-4V API, with LaTeX renderer for editing and checking (Next.js, Typescript, OpenAI GPT-4V, KaTex, Vercel)

Equation OCR

This application convert images of handwritten equations into LaTeX code using OpenAI's GPT-4V API. It also supports a LaTeX renderer for users to edit and check the generated LaTeX code.

Deployed on Vercel Equation OCR.

Features

• Equation OCR: Converts images of handwritten equations into LaTeX code using OpenAI's GPT-4V API.
• LaTeX Renderer: Allows users to edit and check the generated LaTeX code.
• Upload / Paste Image: Supports uploading images or pasting images for equation recognition.

Technologies

• Next.js: For server-side rendering, routing, and client-side display and editing of LaTeX code.
• OpenAI GPT-4V API: For converting images of handwritten equations into LaTeX code using custom prompt.
• KaTeX: For rendering LaTeX code in the browser.

Installation

1. Clone the repository and navigate to the project directory:

   git clone https://github.com/ethan-yz-hao/equation-ocr-app.git
   cd equation-ocr-app

2. Install the dependencies:

   npm install

3. Add the following environment variables to a .env.local file:

   OPENAI_API_KEY=your-openai-api-key

4. Run the development server:

   Open http://localhost:3000 to view the application in your browser.

   npm run dev