Photo: Ashtray and matches"A cigarette vending machine that can tell adults from minors by determining their approximate ages based on bone structure, wrinkles and the way their skin sags went on sale Monday".
Source: New Vending machine can identify minors,
Daily Yomiuri,
November 13th, 2007
http://www.yomiuri.co.jp/dy/national/20071113TDY03102.htm
Further reading:
Book - Reliable Face Recognition Methods:
System Design, Implementation and Evaluation
Learn about study in Japan at Study Abroad Japan
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