| Title | QR code graphic manufacturing device and manufacturing method of the same |
| Year | 2020 |
| Country | TW、US |
| Inventor | WANG, HSI- CHUN |
| Co-inventor | LU, CHUN SHIEN; HO, JIA CHI; YEH, SHAN HUA; WANG, YU MEI; SUN, CHIA TSEN; KUAN, PEI CHUN |
| Cert. No. | I684134、US10,803,260B2 |
| Introduction | The present disclosure provides a QR code graphic manufacturing device, which comprises a gray-scaled adjusting module, a data-hiding module, and an error-diffusion module. The gray-scaled adjusting module is used to adjust a gray-scaled value of an original image to generate a modified gray-scaled image. The data-hiding module and the error-diffusion module are respectively used to process the modified gray-scaled image and a QR code, and to generate a QR code graphic with a better hidden effect. |
| Validity | 2038/01/02 |
| Domain | Graphic_Communication |
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