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Technologie anti-contrefaçon de texture de papier



Interprétation de la texture du papier

Diverses images de texture de papier (4 feuilles)

"Papertexture" referstothenaturaltextureinsidethepaper, whichcanbecalledItis "PaperGrain" orPaperPrint.Paperismadefromtreesandotherplantsthroughdozensofcomplexprocessessuchasmechanicaltreatment, la mise en pâte, la modulation, andpapermaking.Themaincomponentofpaperistheplantfiberinitsrawmaterial.EachsquaremillimeterofpapercontainshundredsofThousandsofveryfineplantfibers, theshapeofeachfiberandtheirdistributioninthree-dimensionalspacearedifferent.Thefiberdistributionshapenotonlydependsonthenaturalattributessuchasthetreespecies, l'âge, andlocation, butalsodependsontherandomnessoftheentirepapermakingprocess.Therefore, eachpieceofpaper, evendifferentpartsofthesamepieceofpaper, hascompletelydifferentmorphologyanddistributioncharacteristicsoffinefibers.Thisistheuniquenaturalphysicalcharacteristicsthatnaturegivestoeachpieceofpaper; thisnaturalfibertexturedistributioncharacteristicItiscalledthe "papertexture" ofpaper .

Papertexturehashighstability, unlessitisdestroyedbyhumanforce, itsfibertexturedistributioncharacteristicswillalwaysremainunchanged; unlikeprintingandotherman-madetechnologies, papertextureisnotartificial, butnaturegivespapernaturalphysicsCharacteristic, duetotheuncontrollableandrandomnatureofplantgrowthandpapermakingtechnology, humanbeingscannotmaketwopaperswiththesamepapertexture.Therefore, thepapertextureisirreproducible, orthepapertexturecannotbecloned.Tosumup: thecharacteristicsofpapertexturehavehighstability, unicité, randomnessandnon-réplicabilité (clonage) .Itisa "paperIDcard" giventopaperbynatureinsteadofman-made; thesecharacteristicsofpapertexture, thatis, naturalanti -fonctionnalités de contrefaçon.

Extractionetreconnaissancedestexturesdupapier

"Papertexture" cannotberecognizedbythenakedeye, andspecialextractionequipment (ie, "papertexturesensor") mustbeusedtoextractandrecognizepapertexture.The "papertexturesensor" canaccuratelyextractthethree-dimensionaltextureandmicrostructuredistributioninformationofanypieceofpaper.Thenusethesetpapertextureinformationmathematicalmodeltoestablishasetofmathematicalalgorithmsfor "featureextraction" et "reconnaissance de formes" .Throughthesemathematicalmodelsandalgorithms, thecomputercanaccuratelyidentifythepapercorrespondingtoeachpapertextureinformation;

Actuellement,la"technologied'extractionetdereconnaissancedetexturepapier"estpasséed'êtreuniquementdisponibleaulaboratoire.Latechnologieconceptuelleterminéeadéveloppéavec succèsenunetechnologiepratique,quipeutautomatiquementcompléterlestravauxd'"extractiondemotifpapier"etde"reconnaissancedemotifpapier"avecseulementunpetitappareil,rendantl'applicationàgrandeéchelledelatechnologie"motifpapier"anticontrefaçon.

Principesdepapiermodèleanti-contrefaçontechnologie

Whenaunitorenterpriseissuesapapervoucher, itcancollectthepaper'sthree-dimensionalimageinformationbyusingaspecial « paperpatternrecognitionsensor », andthenpassThepapertextureextractionalgorithmprocessestheimagetogeneratetheoriginal "papertexture" informationofthepaper.Whenverifying « papertexture », thesamemethodisusedtoextractthecurrent « papertexture » informationofthepaper, andthecurrent « papertexture » informationismatchedwiththeoriginal « papertexture » informationthroughthepapertextureverificationalgorithmusingimagepatternrecognitiontechnology.Youcanverifytheauthenticityofthe "papertexture".

Lesensdupapiermotifanti-contrefaçon

Traditionalanti-counterfeitingtechnologyprintsvariouspatternsonpaperandincreasesthedifficultyofotherstocopythesepatterns (suchascomplexpatternsoruseInfraredink) topreventthecloningofpapervouchers; buttheoryandpracticehaveprovedthateverythingthat "vous" canartificiallyprint, "il" mustbeabletoprintalmostexactlythesame, especiallywhenitisahigh-precisionscannerandhigh-precisionAftertheadventofcolorprintersanddigitalprintingtechnologies, haute simulationprintinghasbecomeveryeasy, addingmetalwiresandfluorescentfibersandotherspecialmaterialtechnologiescanalsobeimitated, butimitatingtheoriginalwillincreasealittle.Nomatterhowcomplicatedandspecialtheseprintedanti-counterfeitingpatterns (ormaterials) sont, theanti-counterfeitingpatternsonallsimilarcertificatesarethesame, thatis, criminalscancompletetheimitationofallsimilarcertificates (countlesscopies ) tant qu'ils réussissent à imiter un certificat..

Differentfromtraditionalanti-counterfeitingtechnology, paperanti-counterfeitingtechnologydoesnotuseanyartificiallyprintedpatternsormaterials, butusesthenaturalcharacteristicsofpapergivenbynature, thatis, Lestrois-dimensionaldistributioncharacteristicsofthenaturalfibertextureofthepaper.Thesepaperpatternscanberegardedasthenaturalanti-counterfeitingfeaturesthatnaturehasgiventoeachpieceofpaper, andthetextureofeachpieceofpaperisdifferent.Notonlycancriminalsnotclonethepapertextureofapieceofpaper, butitisalsoimpossibletocopyapieceofpaper.Cloneandclonesimilarcertificatesinlargequantities.

Papier-grainanti-counterfeitingtechnologydoesnotrelyonanti-counterfeitingprintingtechnologyatall, soitsanti-cloningeffectisnotonlyeffectiveforexistinganti-counterfeitingprintedvouchers, butalsoforothervouchersandordinarypaperthathavenoanti-counterfeitingprintingatall.Differentpapervouchershavedifferentpapertextures, anti-counterfeitingfeaturesandpapercontentcanbecopiedandcloned, onlypapertexturescannotbecopiedorcloned, par conséquent, papervoucherscanbeaccuratelyidentifiedthroughpapertexturecomparisonWhetheritistheoriginalcertificate.

Applicationdupatternpapieranti-contrefaçon

À l'heure actuelle, paperpatternanti-counterfeitingtechnologyismainlyusedinbankbill / vouchermanagement.Inprinciple, le "papier-grainanti-counterfeitingtechnology" canbeappliedtoanti-counterfeitinginmanyfields, suchascommodityanti-counterfeiting.Amongallanti-counterfeitingproducts, bankbills, asaspecialproduct, havethehighestvalueandthemosturgentdemand.Theaveragevalueofabankdraftismorethanonemillionyuan, andsomeevenreachtensofmillions.Inmycountry, thesettlementvolumeofremittancevouchersalonereacheshundredsofbillionseveryyear, andcasesofcounterfeitandcloneddraftsarefrequent.Theemergenceofpaperpatternanti-counterfeitingtechnologyhassolvedtheurgentneedofthefinancialsystem. Et cette technologie anti-contrefaçon sera progressivement étendue au domaine anti-contrefaçon d'autres matières premières à l'avenir.

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