Add support to scan the MRZ of an ID card about passportscanner HOT 17 CLOSED

@evermeer, @punto2018, @sahar12345. Here is a MRZ parser with support of all official documents. On top of that it does some OCR cleaning too. All you need to do is just set it up as a pod. Enjoy

https://github.com/Mattijah/QKMRZParser

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Hi can I talk to u about the programe

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@sahar12345 sure

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I want to make programe in phone app like netbeans and xamrine must make iOS and android separate and I want connect to server can u the programe read I don't understand good to the folder code u put and how communicate with server that make confused

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Netbeans in java programe

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If that reading for national I'd card like Japan or negirea national card like this programe of passport

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And so thank you so much

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Passport scanner is a complete native iOS only solution. There is no support for Android. There is no server required. The OCR is done on the phone itself.

If you want to make an iOS app that sends the result of a scan to your own server, then you have to create your own logic for that. In the demo app you will have the file ViewController.swift which calls the PassportScanner interface. There in the function processMRZ you can add logic for handling the MRZ information.

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Thank you but in my opinion that netbeans can make programe to all kinds iOS and android and its supported,that idea of logic server I will make today and show you and am glad if reply on results that from ur kind,thnx to u.

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Any news for this topic?
Currently I'm working with 3 lines passports so I'm starting to develop the validator.
I can't find technical infos (checksum, char position semantic, etc) in order to integrate the support.

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@punto2018
For the password MRZ I was able to create the logic based on what was described on wikipedia. See https://en.wikipedia.org/wiki/Machine-readable_passport as you can see there is also a description for official travel documents with 3 lines. That should be enough information.

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Thanks for your reply. I'm using the official specifications document for a better parsing (https://www.icao.int/publications/Documents/9303_p5_cons_en.pdf).
I'm able to acquire and parse a 3 lines MRZ, but I'm experimenting some issues with the camera.
I don't want mix topics here, I will open a new issue.

Thanks

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Good news, resolving the camera issues it seem that the parsing is working fine. If you agree I can share my changes and generate a pull request. The idea is to add a property in order to easily switch MRZ parsing type (2 lines or 3 lines), using the 2 lines as default for retrocompatibility reasons.

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A PR for that is definitely welcome!
Maybe it's possible to autodetect it it's a MRZ 2 or 3? If you have an OCR result where 3 lines have more than 30 characters, then it's probably a MRZ 3?

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This approach can be used, my only concern is in the performance in trying both parsers.
It is not possible make simple assumptions in the number of lines.
Italian ID Card for example have a barcode on top of MRZ and often the user also frame it, resulting in a 4 lines OCR result, where the first line is something like "I 1 III 1 || \ 1 .....".
In this case filtering the first line is an important improvement in MRZ scan.
Anyway, I suggest a 3 value parsing type: auto, 2 lines, 3 lines, where auto can use a sort of "smart" choice in order to select the first parser to try.

What do you think?

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Sounds good

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The PR has been merged, pushed and published. There is now support for 3 line MRZ. Thanks @punto2018 !

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