Related by context. Frequent words. (Click for all words.) 65 watermarks 62 digital watermarks 61 taggants 57 watermark 55 halftones 53 photolithographic 53 bitmap images 53 polarizing filters 53 laser engraved 53 multicolour 53 halftone 53 holograms 53 flatbed scanners 53 microdot 52 semitransparent 52 Backlit 52 biometric fingerprint reader 51 microfiber cleaning 51 anticounterfeiting 51 Monochromatic 51 PIXMA MP# 51 Datacard ® 50 microdots 50 bokeh 50 Lenticular 50 nanopatterning 50 smudge proof 50 4 x6 50 smudge resistant 50 DocuPen 50 SELPHY CP# 50 RFID transponder 50 biometric identifier 50 jpg files 50 Fingerprint Sensor 50 sequentially numbered 50 openwork 50 cyan magenta yellow 50 #.#mm thick [002] 49 Exif 49 Adobe Acrobat PDF 49 document.getElementById root root 49 graphite pencil 49 dimensional barcode 49 CLICK TO ENLARGE Contributed 49 dye sublimation 49 laser etched 49 magnifying lenses 49 hologram 49 #x# cm 49 photochromic 49 encryption authentication 49 biometric scanners 49 insertable 49 dimensional barcodes 49 toolbar buttons 49 bevelled 49 micrographs 49 editable text 49 polarizing filter 48 holographic 48 5mm thick 48 gel pens 48 varying thicknesses 48 Iris Recognition 48 infrared LEDs 48 beveled edges 48 honeycomb pattern 48 EXIF data 48 laser etching 48 machine readable 48 shiny metallic 48 thwart counterfeiters 48 antiglare 48 X#n 48 conductive ink 47 OpenType fonts 47 XTension 47 embossing 47 dye crystals 47 reticles 47 KODAK PERFECT TOUCH 47 NIST traceable 47 Grayscale 47 diffracted 47 laser engraving 47 greeting cards calendars 47 micrograph 47 raster image 47 microlenses 47 encryptions 47 scanning tunneling microscope STM 47 #x#mm [003] 47 Visioneer OneTouch 47 #x#cm [002] 47 SAFE BioPharma digital 47 color inkjet printer 47 emboss 47 #.#in LCD [001] 47 anti counterfeiting 47 fusible