A way to make invisible QR codes
Image credit: Pixabay
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- Prevent digital art theft.
- Vehicle registration.
- Product promotion
- High fashion tests for authenticity
- Everything else that QR codes do already
- I don't know the exact mechanics behind the 'tolerance' feature. I'm working on this based on how I personally use it.
- I realize that using a digital neural network and introducing an artificial error would serve the same purpose but I like analogue networks and think it fits right here. Both are valid though.
R. W. G. Hunt (2004). The Reproduction of Colour (6th ed.). Chichester UK: Wiley–IS&T Series in Imaging Science and Technology. ISBN 0-470-02425-9.
Different ink for QR code stamping
- To make the QR codes while not affecting the design of the product.
- To avoid fading of the hues mentioned in this contribution
- Printing the design and than adding the transparent UV ink-printed QR code on it - additional print of the desired QR code onto the object
- Printing the design with printers that use CMYK cartridges along with a UV ink cartridge - include the QR in the initial design of the object