The inventive departure of Patent US 10,176,661 B2 is the use of snippets to EDIT the peaks profile using brick wall filters, like in a radio that can be digitally tuned.
Fluorescent peaks are electromagnetic waves. Radio is electromagnetic waves.
If you can digitally tune a radio, you can make snippets.
The DSP aspect of my method is the inventive departure.
Photons alone were known and used long ago — see British bank notes.
The idea of using a profile of fluorescent peaks to identify a document or item is not new.
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