Achievement and Possibility of Invisible Code : Screen Code

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  • 見えないコード“スクリーンコード”の実績と可能性
  • ミエナイ コード"スクリーンコード"ノ ジッセキ ト カノウセイ

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Abstract

<p>A barcode system is invented as a method for obtaining information from printed matter and it is used for article management. Logistics management has been dramatically improved by this technology. After that, a QR code system developed by DENSO WAVE was made with the intention of increasing the capacity of the barcodes and making the reading faster. Currently it is used not only for logistics management, but also for mobile phones to read it. As it is being used as an open source, it is utilized to obtain information in various places.</p><p>For these two codes, we have newly developed an invisible code named “Screen Code”. The merit of invisibility is due to confidentiality. In other words, it is most suitable for strengthening security that adds information so that nobody knows it.</p><p>The disadvantage of not seeing is that you do not know that it is there. However, it is possible to make this disadvantage visible, so we think that we can solve it.</p><p>Smartphone reading type has been developed since 2016 and it began to be compared with QR code. This time, I would like to consider the division of living with QR code in particular.</p>

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