Machine Eyes Application

A proof-of-concept Streamlit application that takes uploaded or linked image files and performs handwriting OCR using the following commercial services:

• Google Vision
• Microsoft Azure Computer Vision
• Amazon Textract

Running

Set the following environmental variables for the various services:

• GOOGLE_APPLICATION_CREDENTIALS path to JSON file
• AZURE_COMPUTER_VISION_KEY
• AZURE_COMPUTER_VISION_ENDPOINT
• AWS_ACCESS_KEY
• AWS_SECRET_ACCESS_KEY

These values are set in an .env file.

To run the application on port 80:

1. First change user to root
2. Populate environment variables by source .env
3. Activate the Python environment by source py3-env/bin/activate
4. Run streamlit in the background streamlit run app.py --server.address="0.0.0.0" --server.port="80" &.

To run the application on port 8150 with port-forwarding from Apache:

1. Populate environment variables by source .env
2. Activate the Python environment by source py3-env/bin/activate
3. Run streamlit in the background with CORS disabled: run app.py --server.address="0.0.0.0" --server.enableCORS=false &