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access icon openaccess Fingerprinting light emitting diodes using spectrometer

Fingerprinting refers to a class of techniques to distinguish products using their unique features originated during production. Fingerprinting has a wide range of applications including supply-chain integrity and device authentication. The authors propose the first fingerprinting technique of light-emitting diode (LED), which is pervasively used in electronics products. The key idea is to use spectral features of LEDs obtained by a spectrometer. Combined with a machine-learning classifier, the proposed method successfully distinguishes ten individual LED samples from the same lot at 99% accuracy.

http://iet.metastore.ingenta.com/content/journals/10.1049/el.2019.1908
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content/journals/10.1049/el.2019.1908
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spotting light
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