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Optoelectronic and Hybrid Optical/Digital Systems for Image and Signal Processing
This paper presents a new approach for the secure integrity verification of driver licenses, passports or other analogue identification documents. The system embeds (detects) the reference number of the identification document with the DCT watermark technology in (from) the owner photo of the identification document holder. Since the watermark technology is resistant against many image distortions such as affine transformations, lossy compression, quantization, dithering and other common imagedoi:10.1117/12.388440 fatcat:ve5dmak6gzgzvgg2eoqdryq4bq