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Grabs text of QR code from a screen and copies it to clipboard
This is yet another QR code reader.
It grabs code from a screen, decodes it and copies content into clipboard.
Decoded text can be formated before being copied,
so it can be easily pasted to i.e. spreadsheet application.
A Fast QR code detector for arbitrarily acquired images
...In the first stage a cascade classifier to detect parts of the symbol is trained using the rapid object detection framework proposed by Viola-Jones. In the second stage, detected patterns are aggregated in order to evaluate if they are spatially arranged in a way that is geometrically consistent with the components of a QR code symbol. OpenCV 2.2+ is required.