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Professor Isao Echizen’s group of National Institute of Informatics (NII/Tokyo, Japan) has developed a technique for preventing the extraction of finger vein patterns from photographs. The technique involves the wearing of a clear sticker on the finger. It can prevent unwanted extraction of finger vein patterns from photographs while maintaining the convenience of finger vein authentication without having to remove the sticker.The research received a Best Paper Award at Computer Security Symposium in Japan.