Fine particles, anti-counterfeit ink, anti-counterfeit toner, anti-counterfeit sheet, anti-counterfeit medium, and recorded information reader

摘要

PROBLEM TO BE SOLVED: To provide fine particles capable of acquiring record information by performing predetermined information processing together with enlargement because identification of record information is impossible only by using a magnifier. An image pickup means for picking up a fine particle and acquiring it as a picked-up image; an image enlargement means for acquiring a magnified image by enlarging a part of the picked-up image at a predetermined magnification; and a fine particle portion in the enlarged image A feature portion acquisition means 24 for extracting and acquiring a feature portion by removing a connecting portion from the extracted fine particle portion, an image analysis means 25 for analyzing the feature portion and obtaining recorded information, and obtained by analysis Display means 26 for displaying and outputting information is provided.