LU83333A1 - Using surface textures as random mark unique idendity - Google Patents

Using surface textures as random mark unique idendity Download PDF

Info

Publication number
LU83333A1
LU83333A1 LU83333A LU83333A LU83333A1 LU 83333 A1 LU83333 A1 LU 83333A1 LU 83333 A LU83333 A LU 83333A LU 83333 A LU83333 A LU 83333A LU 83333 A1 LU83333 A1 LU 83333A1
Authority
LU
Luxembourg
Prior art keywords
surface
characterized
method
analyzed
texture analysis
Prior art date
Application number
LU83333A
Other languages
French (fr)
Inventor
D Agraives Bertrand Causse
Jan Toornvliet
Alberto Volcan
Original Assignee
Euratom
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Euratom filed Critical Euratom
Priority to LU83333A priority Critical patent/LU83333A1/en
Priority to LU83333 priority
Publication of LU83333A1 publication Critical patent/LU83333A1/en

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K9/00Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
    • G06K9/00577Recognising objects characterised by unique random properties, i.e. objects having a physically unclonable function [PUF], e.g. authenticating objects based on their unclonable texture
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K9/00Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
    • G06K9/00201Recognising three-dimensional objects, e.g. using range or tactile information
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07DHANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/20Testing patterns thereon

Description

i i

T T

UTILISAΓΙCK DE TEXTURES DS SURFACE COMME MARQUE ALEATOIRE D'IDENTITE' UNIQUE. UTILISAΓΙCK TEXTURE SURFACE AS RANDOM DS BRAND IDENTITY UNIQUE.

i^Objet de la presente invention est la réalisation d'une méthode qui uti-| i ^ Subject of this invention is to provide a method that UTI | lise la texture ou l'état de surface d'un objet pour pouvoir le caractériser et l'identifier d'une manière unique. read the texture or surface of an object state to be able to characterize and identify in a unique way.

On pourra ainsi reconnaître un objet ou une partie de l'objet par un ca- ! This will recognize an object or part of the object by a ca-! ·%. ·%.

ractère immuable qui lui est propre. unchangeable ractère its own.

Les possibilités d'identification des objets sont nombreuses; The possibilities for identifying objects are numerous; on connaît, jj par exemple, depuis longtemps le principe d'identification paî* sceau, mais le j -- sceau est un objet par lui meme que l'on cherche à reconnaître; known, dd for example, long been the principle of identification Pai * seal, but the j - Seal is an object by it even as we seek to recognize; il faut après ij garantir que le sceau appartient bien à l'objet qu'il protège. after ij must ensure that the seal belongs to the object it protects. Il est donc ! It is therefore ! il d'une fiabilité limitée et résistant mal à la fraude. it of limited reliability and poor resistance to fraud.

! ! i : j Dans le domaine eu contrôle des installations, on structures nucléaires, j! i: j In the field took control of the facilities, it nuclear structures, j! des techniques de marquage aléatoire sont déjà utilisées. random labeling techniques are already used. Cr. Cr. peut citer 1- include 1-

! ! I I

; ; | |

Innrcu-age par dispersion de particules solides dans une matrice solide; Innrcu-aging by dispersing solid particles in a solid matrix; le caractère immuable étant la répartition des particules ainsi que leur taille, figées une fois pour toutes au sein d'un volume solide; the immutable being the distribution of the particles and their size, fixed once and for all in a solid volume; le moyen de mesure fait appel aux ondes ultrasonores et à leur réflexion dans le système hétérogène ^ lequel, avec le transducteur révélateur employé doit consituer un tout immuable. the measurement means uses the ultrasonic waves and their reflection in the heterogeneous system ^ which, with the employee telling a transducer must consituer any immutable.

i 1 La reconnaissance demande une transmission par ultrasons de 1 'information, c'est à dire un exact repositionnement du transducteur, et une identicite absolue entre transducteurs utilisés successivement, par rapport au reseau tridimensionnel des particules dispersées, i-ans ce cas donc, le caractère utilise des ondes ultrasonores pour être mesuré; i 1 The recognition request a transmission ultrasound of one information, i.e. a correct repositioning of the transducer, and an absolute suchness between transducers used successively, based on the three-dimensional network of dispersed particles, i-years this case therefore, the character uses ultrasonic waves to be measured; il n'est pas directement révélé. it is not directly revealed. En plus, des Lechnologies très spéciales sont necessaires, j Γ ' - 2 - i: Pour pallier aux susdits inconvénients en propose, selon l'invention, une nouvelle méthode û'identifieshion des objets. In addition, very special Lechnologies are needed, j Γ '- 2 - i: To overcome the aforementioned drawbacks offers, according to the invention, a new method û'identifieshion objects.

J Tout objet solide est limité pdr une surface. J Any solid object is limited pdr a surface. Si un objet solide est in- j rr.urble par nature, sa surface, considérée com.ne enveloppe indissociable, l'est i ! If a solid object is in- j rr.urble by nature, its surface com.ne considered inseparable envelope is i! aussi. as well. Sans les conditions 'usuelles, le surirce â'ur. No conditions' standard, the â'ur surirce. objet ctr.trirue dljà à jj son identification. ctr.trirue object Dlja jj identification.

Cn propose donc d'utiliser la texture ou état de surface des objets pour pouvoir les caractériser d'une manière unieue. Cn therefore proposes to use the texture or surface finish of objects in order to characterize a unieue way.

ILa surface doit presenter dans la zone ou elle est utilisée, un caractère - aléatoire certain; ILa surface is present in the area where it is used, a character - some random; c'est en général le cas eu niveau de la rugosité des surfa-| this is usually the case had the level of roughness surfa- | ces mécaniques. these mechanical. Si elle est utilisée telle que venue de construction, on la i dira naturelle. If used as coming from construction, it i say natural. Si nécessaire, on le transformera localement par suriaçage ; If necessary, transform the locally suriaçage; jj _ f | dd _ f | ou rayurage ou grattage superficiel pour lui conférer une texture bien alea- ] toire c'est-à-dire un marquage adéquat. or rifling or superficial scratching to give it a good texture ran-] tory that is to say corresponding identification.

il ( f ILa texture, naturelle ou conférée, est le caractère immuable. Son relevé, par palpeur, stylo ou tout autre moyen, est le moyen d'identification. he (f IThe texture, natural or conferred, is immutable. The statement by the probe, pen or other means, is the means of identification.

j| j |

Selon la caractéristique principale de l'invention, on prend une partie de la surface de l'objet à identifier, on analyse les informations contenues 'dans un profil de ladite surface et on enregistre ledit profil. According to the main characteristic of the invention, takes a part of the surface of the object to be identified, the information 'in a profile of said surface and storing said profile is analyzed.

Selon une autre caractéristique de l'invention, les signaux du. According to another characteristic of the invention, the signals. profil de la surface à analyser sont transposés et echantillonés dans le domaine f ' de fréquences. surface profile to be analyzed are sampled and transposed in the area f 'frequencies.

La Figure annexée montre comment 1ε section d'une surface mécanique pré-| Figure shows how 1ε annexed section of a mechanical surface pre | sente un aspect topographique aléatoire. feel random topographic aspect. Le caractère d'unicité de la coupe provient de 1ε richesse â ' informât ions résidant!; The cutting uniqueness character comes from 1ε wealth â 'informed to ions residing !; à la surface d'un objet: i ! on the surface of an object i! ' f I * - 3 - '; 'F I * - 3 -'; pics, vallées, plateaux, hauteurs, directions, etc. peaks, valleys, plateaus, hills, directions, etc. quand elle est e.·:plcrée i ri '1 ,1 à l'echelle voulue. when it is e:. plcrée i ri '1, 1 at the desired scale.

ί A _i s En conséquence, si deux surfaces ont des dimensions et des aspects similai res à l'echelle de la fabrication ( tolérance, finis, profil ), on peut toujours trouver, à une echelie plus fine, un état de rugosité pouvant les différencier. ί A _i s Therefore, if two surfaces have dimensions and aspects similai res to scale manufacturing (tolerance, finishes, profile), one can always find a finer echelie, a state of the roughness can differentiate. Dans nôtre cas, c'est l'element aspérité èt l'element vallée et leur emplacement qui sont importants. In our case it is the roughness element and the element Valley and location are important.

Se pose donc après, pour l'identification, le problème du repositionnement exact du palpeur en face de la section explorée anterieur·;ment. This raises after, to identify the exact repositioning of the problem of the probe in front of the explored section anterior ·; ment.

Cn a vérifié quf7 une pièce posée sur un simple st.mtif muni d'un ergot, quand on la réplace une autre fois nur le même stntif redonne bien la même | Cn has checked quf7 a piece placed on a single st.mtif with a pin, when the REPLACE again nur the same stntif gives much the same | information. information.

i i

Le redfepositionnement peut être de deux types: l'identite 1 plaquette ou autre support ) est amenée à 1'-ppmr. redfepositionnement may be of the two types: identity wafer 1 or other media) is made to 1'-MPP. il d·..· me-sure, il s.1 : mit ici de marque i' transportable; · it · s .. me-sure, it s.1: mit brand here i transportable; ou bien l'eppareil est "-η-' à 1· structur- rrrrués et il ! s'agit alors de marque fixe. or the eppareil is "-η- to 1 · structur- rrrrués and! is then fixed mark.

ILe signal des- profils des surfaces peut être visualisé directement sur papier ou bien cn peut le digitaliser, c'est-à-dire on compte les asperiteés, on mesure les hauteurs, les distances et on obtient une cléf digitale dudit IThe des- signal profiles of the surfaces may be viewed directly on paper or cn can digitize, that is to say, there are the asperiteés is measured heights, distances and digital Cléf obtained said

V V

signal. signal.

Les sigaux de profil peuvent être aussi transposés et échantillonés dans le domaine des fréquences, de façon que des' spectres partiels puissent a volonté être utilisés comme clef d'identité d'une texture. The profile Sigaux can be transposed and sampled in the frequency domain, such as' partial spectra can at will be used as identification key to a texture.

La méthode d'identification proposée par le present brevet permet de ga- % rantir des structures déjà, protégées par des sceaux conventionnels. The identification method proposed by this patent allows guaran-% rantir structures already protected by conventional seals. Elle - h - i peut constituer en soi une technique de scellement. She - h - i can in itself constitute a sealing technique. Fer exemple l'ensemble tige filetée et boulon peut être limé à ras et constituer une marque unique; Iron example all threaded rod and bolt can be filed down flush and form a single mark; si quelq'un devait dévisser le boulon, il ne pourrait jamais le revisser et le repositionner exactement par rapport à la vis. if quelq'un must unscrew the bolt, it could never screw and reposition exactly relative to the screw. La mesure de profil, à cheval sur vis et boulon, détecterait cette fraude. The measurement profile, straddling screw and bolt, would detect the fraud.

Cette méthode se prête bien à l'identification des objets en utilisant leur propre texture topographique, sans devoir y pratiquer de trou de réfe-| This method is well suited to the identification of objects using their own topographic texture without having to practice any refer- hole | rence. ence. Comme par exemple: tableaux, statues ou meubles, la ou les autres 11 méthodes ou techniques d'identification ne seraient pas possibles sans en-do: mqger l'oeuvre d'art. Such as paintings, statues and furniture, or other methods 11 or identification techniques would not be possible without-do mqger the artwork.

|j Un autre avantage de nôtre meuhode résidé dans le fait que l'appareil j| | J Another advantage of ours meuhode resided in the fact that the device j | de lecture peut être de petites dimensions et -en nécessite pas de gros ;! reading may be small in size and not require large -in;! moyens pour l'identification cor.mef'est le cas pour les transducteurs piézo- i ! means for identifying cor.mef'est the case with piezo transducers i! électriques. electric.

î i i î

N NOT

n !li * H» , / No! li * H "/

Li Li

Claims (3)

11. Methode d'identification d'objets par analyse de texture de surface, caractérisée par le fait que ton prend une partie de la surface de l'objet à identifier, on analyse les informations contenues dans un profil de ladite surface et on enregistre ledit profil. 11. A method of identifying objects by surface texture analysis, characterized in that tone takes a part of the surface of the object to be identified, the information is analyzed in a said surface profile and storing said profile.
2. Methode d'identification d'objets par analyse de texture de surface selon la revendication 1, caractérisée par le fait que les signaux du profil * de la surface à analyser sont transposés et echantillonés dans le domains des fréquences. 2. A method of identifying objects by surface texture analysis according to claim 1, characterized in that the signals of * of the surface profile to be analyzed are sampled and transposed in frequency domains. . . 3) Methode d'identification d'ojets par analyse de texture de surface selon la revendication 1, caractérisée par le fait que la partie de surface à analyser a été préalablement traitée. 3) A method of identifying ojects by surface texture analysis according to claim 1, characterized in that the surface portion to be analyzed has been previously processed. I k) Methode d'identification d'objets par analyse de texture de surface (selon les revendications 1 et 3i caractérisée par le fait que la partie de surface à analyser a été sablée. I k) A method of identifying objects by surface texture analysis (according to claims 1 and 3i characterized in that the surface portion to be analyzed was sandblasted.
5. Methode d'identification d'objets par analyse de texture de surface selon les revendications 1 et 3, caractérisée par le fait que l'echelle d'exploration est variable. 5. A method of identifying objects by surface texture analysis according to claims 1 and 3, characterized in that the scanning scale is variable. V s* !!!!!!!!! V s * !!!!!!!!! } i J i _ LuxerfcGur”, le t ra: l'-;l ; } I J i _ LuxerfcGur ", t ra: l '-; l; 1& fccrr-ieEicn ! 1 & fccrr-ieEicn! ff * W \ 'f· lu F'1“ I \o. ff * W \ 'F' 1 f · read "I \ o. \ t >/ \ T> /
LU83333A 1981-05-04 1981-05-04 Using surface textures as random mark unique idendity LU83333A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
LU83333A LU83333A1 (en) 1981-05-04 1981-05-04 Using surface textures as random mark unique idendity
LU83333 1981-05-04

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
LU83333A LU83333A1 (en) 1981-05-04 1981-05-04 Using surface textures as random mark unique idendity
IT4829782A IT1147935B (en) 1981-05-04 1982-04-28 Identification system of "objects by analysis of their surface structure
GB8212700A GB2097979B (en) 1981-05-04 1982-04-30 Utilisation of surface textures as a random marking or unique identity
DE19823216867 DE3216867C2 (en) 1981-05-04 1982-05-03 A method for identifying objects
FR8207747A FR2505041B1 (en) 1981-05-04 1982-05-04 Using surface textures as random unique brand identity

Publications (1)

Publication Number Publication Date
LU83333A1 true LU83333A1 (en) 1983-03-24

Family

ID=19729640

Family Applications (1)

Application Number Title Priority Date Filing Date
LU83333A LU83333A1 (en) 1981-05-04 1981-05-04 Using surface textures as random mark unique idendity

Country Status (5)

Country Link
DE (1) DE3216867C2 (en)
FR (1) FR2505041B1 (en)
GB (1) GB2097979B (en)
IT (1) IT1147935B (en)
LU (1) LU83333A1 (en)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2567947B1 (en) * 1984-07-23 1986-12-26 Euratom of access control system has surface texture reading
DE3935207C2 (en) * 1989-10-23 1993-08-26 Dornier Gmbh, 7990 Friedrichshafen, De
RU2267160C2 (en) * 1999-07-19 2005-12-27 Российский Федеральный Ядерный Центр-Всероссийский Научно-Исследовательский Институт Технической Физики Им. Акад. Е.И. Забабахина (Рфяц-Вниитф) Object identification method
DE10040188A1 (en) * 2000-08-17 2002-02-28 Infineon Technologies Ag Seal for authentication of sealed objects and methods for making and testing the sealing
DE10155780A1 (en) * 2001-11-14 2003-05-22 Vision Tools Hard Und Software Securing objects against counterfeiting and/or imitation involves inserting and/or attaching non-reproducible physical random pattern during manufacture for later detection and comparison
US8171567B1 (en) 2002-09-04 2012-05-01 Tracer Detection Technology Corp. Authentication method and system
CA2559283C (en) 2004-03-12 2014-08-26 Russell Paul Cowburn Authenticity verification methods, products and apparatuses
KR101168932B1 (en) 2004-03-12 2012-08-02 인제니아 홀딩스 리미티드 Methods and apparatuses for creating authenticatable printed articles and subsequently verifying them
GB2417592B (en) 2004-08-13 2006-07-26 Ingenia Technology Ltd Authenticity verification of articles
WO2007012816A1 (en) 2005-07-27 2007-02-01 Ingenia Technology Limited Verification of authenticity
US7812935B2 (en) 2005-12-23 2010-10-12 Ingenia Holdings Limited Optical authentication
DE102006006733B3 (en) * 2006-02-13 2007-08-23 Iba Ag Method and device for identifying a section of a semifinished product
GB2440386A (en) * 2006-06-12 2008-01-30 Ingenia Technology Ltd Scanner authentication
DE102007030384B4 (en) 2007-06-29 2009-02-05 Dade Behring Marburg Gmbh Method for identifying a transparent object based on its absorption spectrum
GB2466311B (en) 2008-12-19 2010-11-03 Ingenia Holdings Self-calibration of a matching algorithm for determining authenticity
GB2466465B (en) 2008-12-19 2011-02-16 Ingenia Holdings Authentication
GB2476226B (en) 2009-11-10 2012-03-28 Ingenia Holdings Ltd Optimisation
DE102010015014A1 (en) 2010-04-14 2011-10-20 Bayer Technology Services Gmbh Optical scanner
DE102010021380A1 (en) 2010-05-25 2011-12-01 Bayer Technology Services Gmbh Identification of objects
US8526743B1 (en) 2010-11-01 2013-09-03 Raf Technology, Inc. Defined data patterns for object handling
US8774455B2 (en) 2011-03-02 2014-07-08 Raf Technology, Inc. Document fingerprinting
US9443298B2 (en) 2012-03-02 2016-09-13 Authentect, Inc. Digital fingerprinting object authentication and anti-counterfeiting system
DE102011110478B4 (en) 2011-08-17 2018-07-26 Gottfried Wilhelm Leibniz Universität Hannover Method for recognizing a three-dimensional object, device and computer program therefor
US9152862B2 (en) 2011-09-15 2015-10-06 Raf Technology, Inc. Object identification and inventory management
DE102013219591A1 (en) * 2013-09-27 2015-04-16 Albert-Ludwigs-Universität Freiburg Method for authenticating microelectronic components
DE102014108664B4 (en) * 2014-06-20 2017-09-21 Friedrich Wilhelm Bauer Identification of components
US10346852B2 (en) 2016-02-19 2019-07-09 Alitheon, Inc. Preserving authentication under item change

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2755702A (en) * 1951-10-11 1956-07-24 Gen Electric Smoothness monitoring device
GB1099839A (en) * 1965-11-04 1968-01-17 British Petroleum Co Improvements relating to the separation of hydrocarbon mixtures
DE1808298B2 (en) * 1968-11-12 1971-09-30 Method and device for detecting and evaluating of fingerprints
GB1357734A (en) * 1970-05-13 1974-06-26 Int Art Registry Uk Ltd Authentication of works of art
US4200394A (en) * 1971-01-13 1980-04-29 The United States Of America As Represented By The Secretary Of The Army Hologram technique for establishing the integrity of packages
CH529398A (en) * 1971-03-23 1972-10-15 Landis & Gyr Ag Procedures to prevent successful counterfeit stamps
US3857640A (en) * 1973-07-19 1974-12-31 E Hilbon Identification means for an article and method and apparatus for recording same
US4218674A (en) * 1975-09-09 1980-08-19 Dasy Inter S.A. Method and a system for verifying authenticity safe against forgery
US4359903A (en) * 1979-04-24 1982-11-23 European Atomic Energy Community (Euratom) System for the identification of objects, for example nuclear fuel elements

Also Published As

Publication number Publication date
IT8248297D0 (en) 1982-04-28
FR2505041B1 (en) 1986-11-28
FR2505041A1 (en) 1982-11-05
DE3216867A1 (en) 1982-12-02
IT1147935B (en) 1986-11-26
GB2097979A (en) 1982-11-10
GB2097979B (en) 1985-11-27
DE3216867C2 (en) 1994-02-17

Similar Documents

Publication Publication Date Title
Stover Optical scattering: measurement and analysis
Nasmyth Oceanic turbulence
Porter The KRAKEN normal mode program
Munk et al. Tides off‐shore: Transition from California coastal to deep‐sea waters
US7340353B2 (en) Dual function flow measurement apparatus having an array of sensors
Müller et al. The IWEX spectrum
Stockdon et al. Estimation of wave phase speed and nearshore bathymetry from video imagery
Rastogi Photomechanics
Grédiac et al. Full-field measurements and identification in solid mechanics
US6587798B2 (en) Method and system for determining the speed of sound in a fluid within a conduit
Church et al. Measurement of the finish of diamond-turned metal surfaces by differential light scattering
Adrian et al. Particle image velocimetry
Holbrook et al. Ocean internal wave spectra inferred from seismic reflection transects
Atkinson et al. The accuracy of tomographic particle image velocimetry for measurements of a turbulent boundary layer
Nayak Some aspects of surface roughness measurement
Phillips On spectra measured in an undulating layered medium
Babanin et al. Field investigation of transformation of the wind wave frequency spectrum with fetch and the stage of development
CN102072792B (en) Bicyle-mounted apparatus for measuring forces and bicycle with the same
US4939368A (en) Polychromatic optical strain gauge
CA2428301C (en) Method and apparatus for determining the flow velocity of a fluid within a pipe
Church et al. Relationship between surface scattering and microtopographic features
US20050125169A1 (en) Method and apparatus for measuring a parameter of a fluid flowing within a pipe using sub-array processing
Cobelli et al. Global measurement of water waves by Fourier transform profilometry
Wyant et al. Development of a three-dimensional noncontact digital optical profiler
Timmermann et al. Simulations of ice‐ocean dynamics in the Weddell Sea 1. Model configuration and validation