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Optimize qrcode recognition

Aug 20, 2014 at 6:49 PM
Edited Aug 20, 2014 at 6:50 PM
Hi, I'm developping an app for windows phone (silverlight) to recognize the qrcode.
I look the demo and I use a videobrush to show the phone camera content.
I want to draw on videobrush a square to better focus the qrcode, cropping the image, or image processing task?
Anyone knows how to draw on videobrush or any way to better recognize the qrcode?
Thanks a lot.
Aug 23, 2014 at 4:17 PM
Anyone knows a way to crop an image? I realized a windows phone 8 app looking this tutorial
Now I drawed a rectangle and I want crop the rectangle.
Thanks a lot.
Aug 25, 2014 at 11:58 AM
Which are the rectangle size for better recognize the qrcode?
Sep 2, 2014 at 8:43 PM
The rectangle size doesn't influence the recognition rate.
The resolution of the image, the autofocus and the whole quality of the captured image are the key values for a good result.