QR code Scan

General discussion about topics related to OpenMV.
marcus007
Posts: 29
Joined: Wed Sep 13, 2017 3:16 am

QR code Scan

Postby marcus007 » Thu Nov 09, 2017 3:54 am

I need to scan QR code with opposite color i.e black background & white block

So please help me ,how to invert the image & scan the inverted qr code
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kwagyeman
Posts: 1248
Joined: Sun May 24, 2015 2:10 pm

Re: QR code Scan

Postby kwagyeman » Thu Nov 09, 2017 11:07 am

Hi, use the http://docs.openmv.io/library/omv.image ... age.negate method or invert() method on the image before calling the find_qrcodes() method.
Nyamekye,

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