Related by context. Frequent words. (Click for all words.) 75 watermark 61 watermarking 58 watermarked 50 holograms 47 barcodes 46 timecode 45 colorized 44 hologram 44 machine readable 43 magnetic strip 43 colorization 43 speckles 43 formatting 43 laser engraved 42 PDF files 42 encode 42 mattes 42 aliasing 42 markings 42 encoding 42 magnetic strips 42 encoded 42 fonts 42 PDFs 42 metadata 41 discs 41 laser engraving 41 finger prints 41 fingerprint 41 tags 41 compression artifacts 40 EXIF 40 fingerprints 40 SigNature DNA 40 timestamp 40 ultra violet light 39 anti counterfeiting 39 chroma 39 duplicates 39 identifiers 39 overlays 39 counterfeiters 39 digitally 39 laser etched 39 magnetic stripe 39 timestamps 38 prints 38 lightbox 38 captcha 38 font sizes 38 compression algorithms 38 emboss 38 sepia tone 38 Adobe PDF 38 RGB color 38 pixilation 38 tamper proof 38 proofs 38 scanned 38 desktop wallpaper 38 pdf files 38 Face Recognition 38 smudges 38 magnifier 37 fingerprint scanners 37 fingerprint scanner 37 checkboxes 37 CAPTCHAs 37 scanning 37 stencils 37 inlays 37 thumbprint 37 tamper evident 37 bitmaps 37 font 37 telecine 37 JPEG files 37 Formatting 37 Adobe Acrobat PDF 37 unique identifiers 37 embossing 37 filenames 37 Fingerprints 37 vector graphics 37 authenticate 37 logons 37 holographic 37 UTF 8 37 wallpaper 37 Duplicates 37 AVCHD format 37 JPEG images 36 usernames passwords 36 self adhesive 36 numberplates 36 barcode 36 counterfeits 36 Duplicate 36 flatbed scanner 36 indentations 36 Holograms