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Automatic online passport MRZ decoding using Flask and Tesseract. Deployment coming soon!

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raleighlittles/Passport_MRZ_Decoder

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Context

If you've ever looked closely at your passport, you'll notice 2 lines of text at the bottom.

passport image example

This is called the "machine-readable zone" and it encodes basic information about your passport. At border checkpoints, its used to verify that the info in your passport isn't falsified and that your passport isn't expired.

I couldn't find any online, open-source MRZ decoders so I decided to make my own.

About

This repository contains a simple MRZ decoder for passports. It consists of a Flask webapp that lets you either: (1) enter your own passports MRZ as text (2) upload a photo of your passport; to view the decoded MRZ results.

Screenshot of main UI

Here's the result of a sample submission:

Result screenshot sample

Note: So far it's only been tested on American passports. Other passports that use the TD3 or MRV-A standards (which have 2-line, 44-characters-per-line MRZ) should theoretically work. See the further reading section for more info.

The examples folder contains some examples of passports to test with.

Usage/Setup

Install dependencies:

$ pip install -r requirements.txt

Load flask app:

$ flask --app main run --debug

Troubleshooting

Flask app won't connect?

Go to: chrome://net-internals/#sockets

click "Flush socket pools"

flush socket pools image

Further reading

About

Automatic online passport MRZ decoding using Flask and Tesseract. Deployment coming soon!

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