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InviCode
InviCode: Invisible 2D code in videos © Johannes Klein/TU Dortmund Using a smartphone app, the digital content stored invisibly in the image or video can be received optically. For events, trade fairs [...] Technology Institute, in which 2D color codes are invisibly superimposed on arbitrary images or videos. Using off-the-shelf cameras, the overlaid data can be recovered while maintaining the perceived [...] stored in the displayed images in real time with just one scan of the screen. For transmitter-side video processing, modulation software is being developed for systems with limited computing capacity, such …