Papertextureinterpretation
Variouspapertextureimages(4sheets)
"Papertexture"referstothenaturaltextureinsidethepaper,whichcanbecalledItis"PaperGrain"orPaperPrint.Paperismadefromtreesandotherplantsthroughdozensofcomplexprocessessuchasmechanicaltreatment,pulping,modulation,andpapermaking.Themaincomponentofpaperistheplantfiberinitsrawmaterial.EachsquaremillimeterofpapercontainshundredsofThousandsofveryfineplantfibers,theshapeofeachfiberandtheirdistributioninthree-dimensionalspacearedifferent.Thefiberdistributionshapenotonlydependsonthenaturalattributessuchasthetreespecies,age,andlocation,butalsodependsontherandomnessoftheentirepapermakingprocess.Therefore,eachpieceofpaper,evendifferentpartsofthesamepieceofpaper,hascompletelydifferentmorphologyanddistributioncharacteristicsoffinefibers.Thisistheuniquenaturalphysicalcharacteristicsthatnaturegivestoeachpieceofpaper;thisnaturalfibertexturedistributioncharacteristicItiscalledthe"papertexture"ofpaper.Papertexturehashighstability,unlessitisdestroyedbyhumanforce,itsfibertexturedistributioncharacteristicswillalwaysremainunchanged;unlikeprintingandotherman-madetechnologies,papertextureisnotartificial,butnaturegivespapernaturalphysicsCharacteristic,duetotheuncontrollableandrandomnatureofplantgrowthandpapermakingtechnology,humanbeingscannotmaketwopaperswiththesamepapertexture.Therefore,thepapertextureisirreproducible,orthepapertexturecannotbecloned.Tosumup:thecharacteristicsofpapertexturehavehighstability,uniqueness,randomnessandnon-replicability(cloning).Itisa"paperIDcard"giventopaperbynatureinsteadofman-made;thesecharacteristicsofpapertexture,Thatis,naturalanti-counterfeitingfeatures.
Papertextureextractionandrecognition
"Papertexture"cannotberecognizedbythenakedeye,andspecialextractionequipment(ie,"papertexturesensor")mustbeusedtoextractandrecognizepapertexture.The"papertexturesensor"canaccuratelyextractthethree-dimensionaltextureandmicrostructuredistributioninformationofanypieceofpaper.Thenusethesetpapertextureinformationmathematicalmodeltoestablishasetofmathematicalalgorithmsfor"featureextraction"and"patternrecognition".Throughthesemathematicalmodelsandalgorithms,thecomputercanaccuratelyidentifythepapercorrespondingtoeachpapertextureinformation;
Currently,the"papertextureextractionandrecognitiontechnology"haschangedfrombeingonlyavailableinthelaboratoryThecompletedconceptualtechnologyhassuccessfullydevelopedintoapracticaltechnology,whichcanautomaticallycompletetheworkof"paperpatternextraction"and"paperpatternrecognition"withonlyasmalldevice,makingthelarge-scaleapplicationof"paperpatternanti-counterfeiting"technologypossible.
Principlesofpaperpatternanti-counterfeitingtechnology
Whenaunitorenterpriseissuesapapervoucher,itcancollectthepaper’sthree-dimensionalimageinformationbyusingaspecial“paperpatternrecognitionsensor”,andthenpassThepapertextureextractionalgorithmprocessestheimagetogeneratetheoriginal"papertexture"informationofthepaper.Whenverifying“papertexture”,thesamemethodisusedtoextractthecurrent“papertexture”informationofthepaper,andthecurrent“papertexture”informationismatchedwiththeoriginal“papertexture”informationthroughthepapertextureverificationalgorithmusingimagepatternrecognitiontechnology.Youcanverifytheauthenticityofthe"papertexture".
Themeaningofpaperpatternanti-counterfeiting
Traditionalanti-counterfeitingtechnologyprintsvariouspatternsonpaperandincreasesthedifficultyofotherstocopythesepatterns(suchascomplexpatternsoruseInfraredink)topreventthecloningofpapervouchers;buttheoryandpracticehaveprovedthateverythingthat"you"canartificiallyprint,"he"mustbeabletoprintalmostexactlythesame,especiallywhenitisahigh-precisionscannerandhigh-precisionAftertheadventofcolorprintersanddigitalprintingtechnologies,high-simulationprintinghasbecomeveryeasy;addingmetalwiresandfluorescentfibersandotherspecialmaterialtechnologiescanalsobeimitated,butimitatingtheoriginalwillincreasealittle.Nomatterhowcomplicatedandspecialtheseprintedanti-counterfeitingpatterns(ormaterials)are,theanti-counterfeitingpatternsonallsimilarcertificatesarethesame,thatis,criminalscancompletetheimitationofallsimilarcertificates(countlesscopies)aslongastheysuccessfullyimitateonecertificate..
Differentfromtraditionalanti-counterfeitingtechnology,paperanti-counterfeitingtechnologydoesnotuseanyartificiallyprintedpatternsormaterials,butusesthenaturalcharacteristicsofpapergivenbynature,thatis,thethree-dimensionaldistributioncharacteristicsofthenaturalfibertextureofthepaper.Thesepaperpatternscanberegardedasthenaturalanti-counterfeitingfeaturesthatnaturehasgiventoeachpieceofpaper,andthetextureofeachpieceofpaperisdifferent.Notonlycancriminalsnotclonethepapertextureofapieceofpaper,butitisalsoimpossibletocopyapieceofpaper.Cloneandclonesimilarcertificatesinlargequantities.
Paper-grainanti-counterfeitingtechnologydoesnotrelyonanti-counterfeitingprintingtechnologyatall,soitsanti-cloningeffectisnotonlyeffectiveforexistinganti-counterfeitingprintedvouchers,butalsoforothervouchersandordinarypaperthathavenoanti-counterfeitingprintingatall.Differentpapervouchershavedifferentpapertextures;anti-counterfeitingfeaturesandpapercontentcanbecopiedandcloned;onlypapertexturescannotbecopiedorcloned;therefore,papervoucherscanbeaccuratelyidentifiedthroughpapertexturecomparisonWhetheritistheoriginalcertificate.
Applicationofpaperpatternanti-counterfeiting
Currently,paperpatternanti-counterfeitingtechnologyismainlyusedinbankbill/vouchermanagement.Inprinciple,the"paper-grainanti-counterfeitingtechnology"canbeappliedtoanti-counterfeitinginmanyfields,suchascommodityanti-counterfeiting.Amongallanti-counterfeitingproducts,bankbills,asaspecialproduct,havethehighestvalueandthemosturgentdemand.Theaveragevalueofabankdraftismorethanonemillionyuan,andsomeevenreachtensofmillions.Inmycountry,thesettlementvolumeofremittancevouchersalonereacheshundredsofbillionseveryyear,andcasesofcounterfeitandcloneddraftsarefrequent.Theemergenceofpaperpatternanti-counterfeitingtechnologyhassolvedtheurgentneedofthefinancialsystem.Andthisanti-counterfeitingtechnologywillgraduallybeextendedtotheanti-counterfeitingfieldofothercommoditiesinthefuture.