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arXiv · 1904.12603

Converting a Common Document Scanner to a Multispectral Scanner

Zohaib Khan·Faisal Shafait·Ajmal Mian
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Abstract

We propose the construction of a prototype scanner designed to capture multispectral images of documents. A standard sheet-feed scanner is modified by disconnecting its internal light source and connecting an external multispectral light source comprising of narrow band light emitting diodes (LED). A document is scanned by illuminating the scanner light guide successively with different LEDs and capturing a scan of the document. The system is portable and can be used for potential applications in verification of questioned documents, cheques, receipts and bank notes.

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Zohaib Khan, Faisal Shafait, Ajmal Mian. 2019-04-17. Converting a Common Document Scanner to a Multispectral Scanner. https://arxiv.org/abs/1904.12603

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