WO2019107637A1 - Système et procédé d'application d'hologramme numérique - Google Patents

Système et procédé d'application d'hologramme numérique Download PDF

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Publication number
WO2019107637A1
WO2019107637A1 PCT/KR2017/014291 KR2017014291W WO2019107637A1 WO 2019107637 A1 WO2019107637 A1 WO 2019107637A1 KR 2017014291 W KR2017014291 W KR 2017014291W WO 2019107637 A1 WO2019107637 A1 WO 2019107637A1
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WO
WIPO (PCT)
Prior art keywords
hologram
model
generating
conversion
fringe pattern
Prior art date
Application number
PCT/KR2017/014291
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English (en)
Korean (ko)
Inventor
신춘성
강훈종
홍성희
홍지수
김영민
Original Assignee
전자부품연구원
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Application filed by 전자부품연구원 filed Critical 전자부품연구원
Publication of WO2019107637A1 publication Critical patent/WO2019107637A1/fr

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    • 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
    • G03H1/26—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique
    • G03H1/268—Holographic stereogram
    • 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
    • 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
    • G03H1/0891—Processes or apparatus adapted to convert digital holographic data into a hologram
    • 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
    • G03H1/0808—Methods of numerical synthesis, e.g. coherent ray tracing [CRT], diffraction specific
    • G03H2001/0833—Look up table

Definitions

  • the present invention relates to a digital holography related technique, and more particularly, to a system and method for variously applying a digital hologram.
  • a method of applying a hologram including: receiving a 3D model; Performing, for the input 3D model, a conversion according to a difference in display structure; Performing a conversion for the converted 3D model according to a difference in data format; And generating a holographic fringe pattern from the transformed 3D model.
  • a method of applying a hologram according to an embodiment of the present invention includes: receiving a hologram; Performing a conversion for the input hologram according to a difference in display structure; And generating a holographic fringe pattern from the converted hologram.
  • a method of applying a hologram according to an embodiment of the present invention includes: receiving a hologram; Generating a hologram from the inputted holographic fringe pattern; And generating a 3D model from the generated hologram.
  • the hologram generating step may generate a hologram by propagating the holographic fringe pattern according to the structure of the target display.
  • an image observed by the observer with respect to the generated hologram can be generated in 3D.
  • the hologram generating step and the 3D model generating step can be performed by parallel processing.
  • a method of applying a hologram according to an embodiment of the present invention includes: generating a hologram from an inputted holographic fringe pattern; And generating a 2D model from the generated hologram.
  • a method of applying a hologram according to an exemplary embodiment of the present invention includes: generating a hologram from a generated holographic fringe pattern; And generating a 3D model from the generated hologram.
  • the conversion step according to the difference in the display structure, the conversion step according to the difference in the data format, and the holographic fringe pattern generation step may be performed in parallel processing.
  • a hologram application system including: a communication unit receiving a 3D model; And a processor for performing a conversion according to the difference of the display structure with respect to the input 3D model, performing conversion according to the difference of the data format with respect to the converted 3D model, and generating a holographic fringe pattern from the converted 3D model .
  • a method of applying a hologram including: receiving a hologram; Performing a conversion for the input hologram according to a difference in display structure; And generating a holographic fringe pattern from the converted hologram.
  • a hologram application system including: a communication unit for receiving a hologram; And a processor for performing a conversion according to the difference in display structure with respect to the input hologram and generating a holographic fringe pattern from the converted hologram.
  • core functions and additional functions such as hologram creation, processing, conversion, simulation, and display can be utilized based on a common API.
  • FIG. 1 is a view for explaining a method of applying a hologram according to an embodiment of the present invention
  • FIG. 2 is a conceptual illustration of functions of the respective modules
  • FIG. 3 is a diagram provided in the functional description of the Holo-Generation module
  • FIG. 5 is a block diagram of the Holo-Reconstruction module
  • FIG. 6 is a diagram showing library functions of the Holo-Reconstruction module
  • FIG. 7 is a diagram showing the functional description of the Holo-Core module
  • FIG. 9 is a diagram illustrating a digital hologram application system according to an embodiment of the present invention.
  • Figure 1 is a view for explaining a hologram application method according to an embodiment of the present invention.
  • Figure 1 shows modules for digital hologram applications (creation, processing, conversion, simulation, display).
  • the modules for the hologram application include a Holo-API module 110 and a Holo-Core module 120 as shown.
  • a Holo-API module 110 and a Holo-Core module 120 as shown.
  • high-speed GPU parallel processing for high speed is possible.
  • the Holo-API module 110 includes a Holo-IO module 111 for data input / output, a Holo-Generation module 112 for hologram acquisition, a Holo-Reconstruction module 112 for hologram reconstruction Module 113, as shown in FIG.
  • the Holo-Core module 120 is a structure for processing digital holograms.
  • FIG. 2 conceptually shows the function of each module.
  • the Holo-Generation module 112 generates a hologram from the 3D image information / hologram
  • the Holo-reconstruction module 113 restores the hologram into 2D / 3D image information
  • the Holo-Core module 120 performs necessary processing for hologram creation and reconstruction.
  • the Holo-IO module 111 performs a mutual conversion function to support various input / output data formats used in other modules.
  • the Holo-IO module 111 includes: 1) a 3D information format for displaying a 3D model, 2) an OpenHolo Computing Data (OCD) format for generating and restoring a hologram, 3) Such as a hologram format for input / output.
  • OCD OpenHolo Computing Data
  • the Holo-Generation module 112 is a module for generating a digital hologram from 3D information, and generates a holographic fringe pattern from input 3D information and a hologram, as shown in FIG.
  • conversion for the display structure and conversion according to the data type are performed.
  • the conversion to the display structure is different between the display structure (window type display, table-top type display, etc.) in which input 3D information is displayed and the display structure (window type display, table-top type display, etc.) Transformation.
  • the Holo-Generation module 112 generates a holographic fringe pattern by propagating the converted information (3D object) into a virtual space and encoding the transformed information (3D object).
  • the library functions of the Holo-Generation module 112 are shown in FIG.
  • the holographic fringe pattern generation process by the Holo-Generation module 112 can be performed by GPU parallel processing for higher speed.
  • the Holo-Reconstruction module 113 is a module for restoring the hologram obtained through the Holo-IO module 111 or the hologram generated by the Holo-Generation module 112 into 2D information or 3D information.
  • the Holo-Reconstruction module 113 generates a hologram by propagating the holographic fringe pattern according to the structure of the target display, and displays the image observed by the observer on the generated hologram as 2D Or in 3D.
  • the data format and the display structure of the 2D or 3D image to be generated can be variously determined by the user's selection.
  • the library functions of the Holo-Reconstruction module 113 are shown in FIG.
  • the reconstruction process by the Holo-Reconstruction module 113 can be performed by GPU parallel processing for high speed.
  • the Holo-Core module 120 performs necessary processing for hologram creation and reconstruction.
  • the Holo-Core module 120 performs a process for numerically calculating a complex field capable of displaying 3D information of an object, which is required for generating and restoring holograms, , Encoding and localization for hologram creation and recording by mesh information.
  • the Holo-Core module 120 defines a structure and a format for various data, and performs XML parsing to process the structure and format.
  • the library functions of the Holo-Core module 120 are shown in FIG.
  • the hologram processing by the Holo-Core module 120 can be performed by GPU parallel processing for higher speed.
  • FIG. 9 is a diagram illustrating a system capable of performing the digital hologram application method shown in FIG.
  • the digital hologram application system is a computing system that includes a communication unit 210, a processor 220, and a storage unit 230, as shown in Fig.
  • the communication unit 210 is communication means for acquiring 3D information and hologram information by communicating with an external device and an external network.
  • the processor 220 is configured to perform data conversion, hologram generation, hologram restoration, and hologram processing for the above-described hologram application, and includes a CPU and a plurality of GPUs.
  • the storage unit 230 provides necessary storage space for the processor 220 to perform the above-described functions.
  • the digital hologram application system and method according to the embodiment of the present invention can be applied to the development of a simulation (emulator) or a new algorithm, and to develop an authoring tool for producing a hologram content capable of outputting various 3D images This is possible.
  • core functions and additional functions such as hologram creation, processing, conversion, simulation, and display can be utilized based on a common API.
  • the technical idea of the present invention can also be applied to a computer-readable recording medium having a computer program for performing the functions of the apparatus and method according to the present embodiment.
  • the technical idea according to various embodiments of the present invention may be embodied in computer-readable code form recorded on a computer-readable recording medium.
  • the computer-readable recording medium is any data storage device that can be read by a computer and can store data.
  • the computer-readable recording medium may be a ROM, a RAM, a CD-ROM, a magnetic tape, a floppy disk, an optical disk, a hard disk drive, or the like.
  • the computer readable code or program stored in the computer readable recording medium may be transmitted through a network connected between the computers.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Processing Or Creating Images (AREA)
  • Holo Graphy (AREA)

Abstract

L'invention concerne un système et un procédé d'application d'un hologramme numérique. Un procédé d'application d'un hologramme selon un mode de réalisation de la présente invention consiste : à recevoir un modèle 3D d'entrée ; à convertir le modèle 3D d'entrée en fonction d'une différence d'une structure d'affichage ; à convertir le modèle 3D converti en fonction d'une différence d'un format de données ; et à générer un motif de frange holographique à partir du modèle 3D converti. En conséquence, une fonction centrale, telle qu'une génération d'hologramme, un traitement, une conversion, une simulation et un affichage, et une fonction supplémentaire peut être utilisée sur la base d'une API commune.
PCT/KR2017/014291 2017-11-30 2017-12-07 Système et procédé d'application d'hologramme numérique WO2019107637A1 (fr)

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KR10-2017-0163557 2017-11-30
KR1020170163557A KR101983909B1 (ko) 2017-11-30 2017-11-30 디지털 홀로그램 응용 시스템 및 방법

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WO2019107637A1 true WO2019107637A1 (fr) 2019-06-06

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120118622A (ko) * 2011-04-19 2012-10-29 전자부품연구원 디지털 홀로그램 콘텐츠 서비스 방법 및 장치
KR20150061550A (ko) * 2013-11-27 2015-06-04 한국전자통신연구원 홀로그래픽 콘텐츠 제공 방법 및 상기 방법을 이용하는 홀로그래픽 콘텐츠 제공 장치, 디스플레이 장치
US20150277377A1 (en) * 2014-03-27 2015-10-01 City University Of Hong Kong Conversion of complex holograms to phase holograms
KR101710198B1 (ko) * 2010-06-14 2017-02-27 주식회사 비즈모델라인 홀로그램 객체 표시 방법
KR20170021450A (ko) * 2015-08-18 2017-02-28 전자부품연구원 스마트폰과 연동하는 스테레오스코픽 방식의 홀로그래픽 디스플레이 시스템 및 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101710198B1 (ko) * 2010-06-14 2017-02-27 주식회사 비즈모델라인 홀로그램 객체 표시 방법
KR20120118622A (ko) * 2011-04-19 2012-10-29 전자부품연구원 디지털 홀로그램 콘텐츠 서비스 방법 및 장치
KR20150061550A (ko) * 2013-11-27 2015-06-04 한국전자통신연구원 홀로그래픽 콘텐츠 제공 방법 및 상기 방법을 이용하는 홀로그래픽 콘텐츠 제공 장치, 디스플레이 장치
US20150277377A1 (en) * 2014-03-27 2015-10-01 City University Of Hong Kong Conversion of complex holograms to phase holograms
KR20170021450A (ko) * 2015-08-18 2017-02-28 전자부품연구원 스마트폰과 연동하는 스테레오스코픽 방식의 홀로그래픽 디스플레이 시스템 및 방법

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