Blind-folded recognition of bank notes on the mobile phone

The identification of a bank note's value is a non-trivial task for the blind and the visually impaired. A popular approach adopted by many countries in order to facilitate the visually impaired, is the impression of a high-contrast, large-print region on their bank notes. Additionally, an approach used to facilitate the blind population is the impression of unique tactile marks on bank notes. However, even when tactile marks or different sizes...