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Readability of 2D QR Codes Depending on Selected Code Parameters

Presented are the results of using QR (Quick Response) type of 2D codes in terms of their readability features depending on the change of code parameters and the damages or obstructions to the code [1-4]. QR 2D codes represent a type of 2D symbology developed by the Denso Wave company in 1994. [5]. They contain information in both vertical and horizontal direction. [5]. 2D codes are also characterized by correction capabilities, which enable the reading of the code even if its area is up to 30 % damaged or covered. [6]. The research focused on code parameters that were changed or to which simulated intentional damage was done. The readability was tested on codes with different colour combinations of the code and its background. The aim was to determine how parameters such as colour/contrast and simulated damage, given its position and size, influence the readability of the code.

QR 2D codes; interactive printing; readability; error correction

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