The visual color QR code algorithm (DWT-QR) based on wavelet transform and human vision system - Tsai, Min-Jen; Hsieh, Chin-Yu (Multimedia tools and applications, 2019)
Keywords: Algorithms; Basis functions; Codes; Computer Communication Networks; Computer Science; Data Structures and Information Theory; Discrete Wavelet Transform; Embedding; Image quality; Multimedia Information Systems; Noise reduction; Special Purpose and Application-Based Systems; Visibility; Vision systems; Wavelet transforms; Wavelet; HVS; QR codes; CSF; NVF