Misfora Blog

Notes on document OCR & guest registration

Engineering write-ups from the team building Misfora — how passport and ID recognition actually behaves in practice, what breaks it, and what we test before shipping it into hotel and rental check-in flows.

Research Note September 2026

How Blur Affects Passport OCR: Testing OCR Accuracy on Blurry Passport Images

We blurred the same passport image 14 times and ran every version through the same OCR pipeline — comparing the human-readable VIZ fields against the machine-readable MRZ. The results were more interesting than expected.

Read the study →

More engineering notes on document recognition and hotel check-in are on the way.

For hotels, apartments & car rentals

This is the same recognition engine behind Misfora — automatically collect guest passport data at check-in and sync it to your PMS or government registration system. See how it works →