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Other interesting technique is using halftones/dithering to embed picture in readable QR code: PDF paper: http://vecg.cs.ucl.ac.uk/Projects/SmartGeometry/halft

by magnat 9y ago

Other interesting technique is using halftones/dithering to embed picture in readable QR code: PDF paper: http://vecg.cs.ucl.ac.uk/Projects/SmartGeometry/halftone_QR/paper_docs/halftoneQR_sigga13.pdf http://vecg.cs.ucl.ac.uk/Projects/SmartGeometry/halftone_QR/... Javascript demo: http://jsfiddle.net/lachlan/r8qWV/ http://jsfiddle.net/lachlan/r8qWV/