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In introduction to HCI class.

Using Arbitrary Images as 2D Visual Code

Jaehee Ko and Jinwook Seo / 2012

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Today, many people become familiar with getting information from 2D barcodes by scanning them with their mobile phones. However, the current 2D barcodes have very limited customizability in design to be used for advertisement or marketing. We developed a new type of 2D visual code called ImageCode that generates an index key from an image and connects it to user-specified information such as a URL. A comparative evaluation with QR Code and ColorCode showed that, although recognition robustness of ImageCode needs some improvement, its high customizability, retention over time, and code/content awareness makes it highly effective for advertisement purposes.