MX2020008789A - Proyeccion holografica. - Google Patents
Proyeccion holografica.Info
- Publication number
- MX2020008789A MX2020008789A MX2020008789A MX2020008789A MX2020008789A MX 2020008789 A MX2020008789 A MX 2020008789A MX 2020008789 A MX2020008789 A MX 2020008789A MX 2020008789 A MX2020008789 A MX 2020008789A MX 2020008789 A MX2020008789 A MX 2020008789A
- Authority
- MX
- Mexico
- Prior art keywords
- image
- hologram
- engine
- source
- display
- Prior art date
Links
- 238000005070 sampling Methods 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
- G03H1/26—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3179—Video signal processing therefor
-
- 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
- G03H1/22—Processes or apparatus for obtaining an optical image 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
- G03H1/04—Processes or apparatus for producing holograms
- G03H1/0443—Digital holography, i.e. recording holograms with digital recording means
-
- 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
- G03H1/04—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
-
- 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
- G03H1/22—Processes or apparatus for obtaining an optical image from holograms
- G03H1/2294—Addressing the hologram to an active spatial light modulator
-
- 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
- G03H1/28—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique superimposed holograms only
-
- 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
- G03H1/30—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique discrete holograms only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
-
- 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
- G03H1/22—Processes or apparatus for obtaining an optical image from holograms
- G03H1/2202—Reconstruction geometries or arrangements
- G03H2001/2223—Particular relationship between light source, hologram and observer
-
- 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
- G03H1/22—Processes or apparatus for obtaining an optical image from holograms
- G03H1/2294—Addressing the hologram to an active spatial light modulator
- G03H2001/2297—Addressing the hologram to an active spatial light modulator using frame sequential, e.g. for reducing speckle noise
-
- 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
- G03H1/2645—Multiplexing processes, e.g. aperture, shift, or wavefront multiplexing
- G03H2001/2655—Time multiplexing, i.e. consecutive records wherein the period between records is pertinent per se
-
- 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
- G03H1/30—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique discrete holograms only
- G03H2001/303—Interleaved sub-holograms, e.g. three RGB sub-holograms having interleaved pixels for reconstructing coloured holobject
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2210/00—Object characteristics
- G03H2210/20—2D object
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2210/00—Object characteristics
- G03H2210/20—2D object
- G03H2210/22—2D SLM object wherein the object beam is formed of the light modulated by the SLM
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2210/00—Object characteristics
- G03H2210/40—Synthetic representation, i.e. digital or optical object decomposition
- G03H2210/44—Digital representation
- G03H2210/441—Numerical processing applied to the object data other than numerical propagation
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2210/00—Object characteristics
- G03H2210/40—Synthetic representation, i.e. digital or optical object decomposition
- G03H2210/45—Representation of the decomposed object
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2225/00—Active addressable light modulator
- G03H2225/10—Shape or geometry
- G03H2225/12—2D SLM
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2226/00—Electro-optic or electronic components relating to digital holography
- G03H2226/02—Computing or processing means, e.g. digital signal processor [DSP]
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2240/00—Hologram nature or properties
- G03H2240/50—Parameters or numerical values associated with holography, e.g. peel strength
- G03H2240/62—Sampling aspect applied to sensor or display
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Holo Graphy (AREA)
- Transforming Electric Information Into Light Information (AREA)
Abstract
Un proyector holográfico comprende un motor de procesamiento de imágenes, un motor de hologramas, un motor de visualización y una fuente de luz; el motor de procesamiento de imágenes está dispuesto para recibir una imagen fuente para proyección y generar una pluralidad de imágenes secundarias a partir de una imagen primaria basada en la imagen fuente; la imagen fuente comprende pixeles; cada imagen secundaria puede comprender menos pixeles que la imagen fuente; la pluralidad de imágenes secundarias se genera muestreando la imagen primaria; el motor de holograma está dispuesto para determinar, como calcular, un holograma correspondiente a cada imagen secundaria para formar una pluralidad de hologramas; el motor de visualización está dispuesto para mostrar cada holograma en el dispositivo de visualización; la fuente de luz está dispuesta para iluminar cada holograma durante la visualización para formar una reconstrucción holográfica correspondiente a cada imagen secundaria en un plano de reproducción; la imagen primaria se selecciona del grupo que comprende: la imagen fuente y una imagen intermedia.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1912168.0A GB2586512B (en) | 2019-08-23 | 2019-08-23 | Holographic projection |
Publications (1)
Publication Number | Publication Date |
---|---|
MX2020008789A true MX2020008789A (es) | 2021-02-24 |
Family
ID=68108942
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2020008789A MX2020008789A (es) | 2019-08-23 | 2020-08-21 | Proyeccion holografica. |
Country Status (7)
Country | Link |
---|---|
US (2) | US11765328B2 (es) |
EP (1) | EP3783442B1 (es) |
KR (1) | KR102445475B1 (es) |
CN (1) | CN112415880B (es) |
GB (1) | GB2586512B (es) |
MX (1) | MX2020008789A (es) |
MY (1) | MY195785A (es) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2586511B (en) * | 2019-08-23 | 2021-12-01 | Dualitas Ltd | Holographic projector |
GB2587400B (en) * | 2019-09-27 | 2022-02-16 | Dualitas Ltd | Hologram display using a liquid crystal display device |
GB2595696B (en) * | 2020-06-04 | 2022-12-28 | Envisics Ltd | Forming a hologram of a target image for projection using data streaming |
CN112212807B (zh) * | 2020-10-14 | 2022-03-01 | 福建师范大学 | 基于单幅频谱强度图像动态采样进行迭代的相位加速读取方法和读取装置 |
GB2604402B (en) * | 2021-03-05 | 2023-08-23 | Envisics Ltd | Head-up display |
GB2604890B (en) * | 2021-03-17 | 2024-01-31 | Envisics Ltd | Image projection |
CN113066029B (zh) * | 2021-03-31 | 2023-03-17 | 杭州三坛医疗科技有限公司 | 一种图像矫正方法及装置 |
US11328634B1 (en) * | 2021-09-07 | 2022-05-10 | Himax Display, Inc. | Projection device and method with liquid crystal on silicon panel |
CN114880953B (zh) * | 2022-06-10 | 2023-08-11 | 中国科学院光电技术研究所 | 一种四台阶相位型菲涅尔波带片的快速波前复原方法 |
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KR20200053320A (ko) * | 2018-11-08 | 2020-05-18 | 삼성전자주식회사 | 홀로그래픽 디스플레이 장치 |
-
2019
- 2019-08-23 GB GB1912168.0A patent/GB2586512B/en active Active
-
2020
- 2020-07-15 EP EP20186069.9A patent/EP3783442B1/en active Active
- 2020-08-07 KR KR1020200099190A patent/KR102445475B1/ko active IP Right Grant
- 2020-08-18 MY MYPI2020004239A patent/MY195785A/en unknown
- 2020-08-21 MX MX2020008789A patent/MX2020008789A/es unknown
- 2020-08-24 US US17/000,845 patent/US11765328B2/en active Active
- 2020-08-24 CN CN202010855242.4A patent/CN112415880B/zh active Active
-
2023
- 2023-05-31 US US18/204,303 patent/US20230308620A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
MY195785A (en) | 2023-02-20 |
KR20210023697A (ko) | 2021-03-04 |
CN112415880A (zh) | 2021-02-26 |
US11765328B2 (en) | 2023-09-19 |
US20210084270A1 (en) | 2021-03-18 |
KR102445475B1 (ko) | 2022-09-19 |
CN112415880B (zh) | 2022-04-26 |
EP3783442A1 (en) | 2021-02-24 |
GB2586512A (en) | 2021-02-24 |
GB2586512B (en) | 2021-12-08 |
EP3783442B1 (en) | 2023-12-13 |
US20230308620A1 (en) | 2023-09-28 |
GB201912168D0 (en) | 2019-10-09 |
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