FR2964474B1 - Hologramme synthetique crypte et procede de lecture d'un tel hologramme - Google Patents
Hologramme synthetique crypte et procede de lecture d'un tel hologrammeInfo
- Publication number
- FR2964474B1 FR2964474B1 FR1057126A FR1057126A FR2964474B1 FR 2964474 B1 FR2964474 B1 FR 2964474B1 FR 1057126 A FR1057126 A FR 1057126A FR 1057126 A FR1057126 A FR 1057126A FR 2964474 B1 FR2964474 B1 FR 2964474B1
- Authority
- FR
- France
- Prior art keywords
- hologram
- crypt
- reading
- synthetic
- elementary cells
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
- 230000009466 transformation Effects 0.000 abstract 2
- 239000011159 matrix material Substances 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/04—Processes or apparatus for producing holograms
- G03H1/08—Synthesising holograms, i.e. holograms synthesized from objects or objects from holograms
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/0005—Adaptation of holography to specific applications
- G03H1/0011—Adaptation of holography to specific applications for security or authentication
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/0005—Adaptation of holography to specific applications
- G03H1/0011—Adaptation of holography to specific applications for security or authentication
- G03H2001/0016—Covert holograms or holobjects requiring additional knowledge to be perceived, e.g. holobject reconstructed only under IR illumination
- G03H2001/0022—Deciphering being performed with numerical or optical key, e.g. with the optical scrambler used during recording
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/04—Processes or apparatus for producing holograms
- G03H1/08—Synthesising holograms, i.e. holograms synthesized from objects or objects from holograms
- G03H1/0841—Encoding method mapping the synthesized field into a restricted set of values representative of the modulator parameters, e.g. detour phase coding
- G03H2001/085—Kinoform, i.e. phase only encoding wherein the computed field is processed into a distribution of phase differences
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2210/00—Object characteristics
- G03H2210/50—Nature of the object
- G03H2210/52—Alphanumerical
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2210/00—Object characteristics
- G03H2210/50—Nature of the object
- G03H2210/53—Coded object not directly interpretable, e.g. encrypted object, barcode
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2210/00—Object characteristics
- G03H2210/50—Nature of the object
- G03H2210/54—For individualisation of product
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2223/00—Optical components
- G03H2223/13—Phase mask
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Holo Graphy (AREA)
- Adornments (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1057126A FR2964474B1 (fr) | 2010-09-08 | 2010-09-08 | Hologramme synthetique crypte et procede de lecture d'un tel hologramme |
PCT/FR2011/052054 WO2012032266A1 (fr) | 2010-09-08 | 2011-09-08 | Hologramme synthetique crypte et procede de lecture d'un tel hologramme |
US13/821,485 US20130301091A1 (en) | 2010-09-08 | 2011-09-08 | Encrypted synthetic hologram and method for reading such a hologram |
EP11773490.5A EP2614411A1 (fr) | 2010-09-08 | 2011-09-08 | Hologramme synthetique crypte et procede de lecture d'un tel hologramme |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1057126A FR2964474B1 (fr) | 2010-09-08 | 2010-09-08 | Hologramme synthetique crypte et procede de lecture d'un tel hologramme |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2964474A1 FR2964474A1 (fr) | 2012-03-09 |
FR2964474B1 true FR2964474B1 (fr) | 2013-05-17 |
Family
ID=43639996
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1057126A Expired - Fee Related FR2964474B1 (fr) | 2010-09-08 | 2010-09-08 | Hologramme synthetique crypte et procede de lecture d'un tel hologramme |
Country Status (4)
Country | Link |
---|---|
US (1) | US20130301091A1 (fr) |
EP (1) | EP2614411A1 (fr) |
FR (1) | FR2964474B1 (fr) |
WO (1) | WO2012032266A1 (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10743867B2 (en) | 2016-12-07 | 2020-08-18 | Ethicon, Inc. | Applicator instruments having insertable, changeable cartridges for dispensing surgical fasteners |
CN110135177B (zh) * | 2019-04-29 | 2021-01-22 | 首都师范大学 | 非对称图像加密与认证方法和装置 |
CN110365866B (zh) * | 2019-06-13 | 2021-09-14 | 首都师范大学 | 彩色图像加密方法和装置 |
CN110232284B (zh) * | 2019-06-13 | 2021-06-22 | 首都师范大学 | 一种图像加密方法及装置 |
CN110414247B (zh) * | 2019-06-21 | 2022-01-18 | 首都师范大学 | 基于级联等模分解的图像加密方法及装置 |
CN110516461B (zh) * | 2019-08-29 | 2021-05-25 | 首都师范大学 | 多通道图像加密方法、装置、存储介质及电子设备 |
CN110532793B (zh) * | 2019-08-30 | 2021-06-11 | 首都师范大学 | 图像加密方法、图像加密装置、电子设备及可读存储介质 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2785427B2 (ja) * | 1990-03-26 | 1998-08-13 | 松下電器産業株式会社 | 計算機ホログラムの作成方法 |
EP2224291B1 (fr) * | 2007-11-22 | 2016-06-29 | National University Corporation Kyoto Institute of Technology | Dispositif d'holographie numérique et matrice de déphasage |
FR2941079B1 (fr) * | 2009-01-14 | 2012-04-27 | Commissariat Energie Atomique | Dispositif et procede de marquage d'un ensemble de produits |
-
2010
- 2010-09-08 FR FR1057126A patent/FR2964474B1/fr not_active Expired - Fee Related
-
2011
- 2011-09-08 WO PCT/FR2011/052054 patent/WO2012032266A1/fr active Application Filing
- 2011-09-08 US US13/821,485 patent/US20130301091A1/en not_active Abandoned
- 2011-09-08 EP EP11773490.5A patent/EP2614411A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
US20130301091A1 (en) | 2013-11-14 |
FR2964474A1 (fr) | 2012-03-09 |
WO2012032266A1 (fr) | 2012-03-15 |
EP2614411A1 (fr) | 2013-07-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PLFP | Fee payment |
Year of fee payment: 7 |
|
ST | Notification of lapse |
Effective date: 20180531 |