Image processing: qr code

2017 12 11
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更新时间：2017 12 11
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How to find the qr code( this plastic card) in this photo, as it has a begining job, I need a coordinate and axis, and that I would be marked with a ractangle?

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Image Analyst
Image Analyst 2017-12-11
编辑：Image Analyst 2017-12-11

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See attached code.
See if you can do the last part yourself by calling bwboundaries() on cardMask to get the (x,y) coordinates of the card mask.

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