KR20080004634A - 삼차원 장면의 홀로그래픽 재구성을 위한 장치 - Google Patents
삼차원 장면의 홀로그래픽 재구성을 위한 장치 Download PDFInfo
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- KR20080004634A KR20080004634A KR1020077027613A KR20077027613A KR20080004634A KR 20080004634 A KR20080004634 A KR 20080004634A KR 1020077027613 A KR1020077027613 A KR 1020077027613A KR 20077027613 A KR20077027613 A KR 20077027613A KR 20080004634 A KR20080004634 A KR 20080004634A
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- 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
- G03H1/2286—Particular reconstruction light ; Beam properties
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- G03H1/22—Processes or apparatus for obtaining an optical image from holograms
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- G03H1/22—Processes or apparatus for obtaining an optical image from holograms
- G03H1/2294—Addressing the hologram to an active spatial light modulator
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
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- G03H1/22—Processes or apparatus for obtaining an optical image from holograms
- G03H1/2249—Holobject properties
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- 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
- G03H2001/2236—Details of the viewing window
- G03H2001/2242—Multiple viewing windows
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- G03H1/22—Processes or apparatus for obtaining an optical image from holograms
- G03H1/2249—Holobject properties
- G03H2001/2263—Multicoloured holobject
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- 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
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
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- G03H2210/30—3D object
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2222/00—Light sources or light beam properties
- G03H2222/20—Coherence of the light source
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2222/00—Light sources or light beam properties
- G03H2222/20—Coherence of the light source
- G03H2222/22—Spatial coherence
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2222/00—Light sources or light beam properties
- G03H2222/20—Coherence of the light source
- G03H2222/23—Temporal coherence
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2222/00—Light sources or light beam properties
- G03H2222/20—Coherence of the light source
- G03H2222/24—Low coherence light normally not allowing valuable record or reconstruction
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2222/00—Light sources or light beam properties
- G03H2222/34—Multiple light sources
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- G03H2222/00—Light sources or light beam properties
- G03H2222/36—Scanning light beam
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- G03H2223/00—Optical components
- G03H2223/12—Amplitude mask, e.g. diaphragm, Louver filter
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2223/00—Optical components
- G03H2223/14—Diffuser, e.g. lens array, random phase mask
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2223/00—Optical components
- G03H2223/19—Microoptic array, e.g. lens array
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
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- G03H2225/00—Active addressable light modulator
- G03H2225/55—Having optical element registered to each pixel
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- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2225/00—Active addressable light modulator
- G03H2225/60—Multiple SLMs
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- 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
- G03H2226/05—Means for tracking the observer
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- G—PHYSICS
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- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2240/00—Hologram nature or properties
- G03H2240/50—Parameters or numerical values associated with holography, e.g. peel strength
- G03H2240/51—Intensity, power or luminance
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- Holo Graphy (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
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Abstract
Description
Claims (19)
- 비디오 홀로그램에 의해 삼차원 장면을 재구성하는 장치로서,홀로그래픽 정보에 의해 인코딩된 공간 광 변조기를 통하여 발광 수단으로부터 적어도 하나의 관찰자의 눈으로 충분한 간섭성 광(sufficiently coherent light)을 보내는 광학 포커싱 수단을 포함하고,상기 장치는 공간 광 변조기(SLM)의 표면을 조명하는 복수의 조명 유닛을 가지며, 각각의 유닛은 포커싱 요소(21/22/23 또는 24)와, 이들 조명 유닛 각각이 상기 표면의 하나의 개별 조명 영역(R1/R2/R3 또는 R4)을 조명하도록 충분한 간섭성 광을 방출하는 발광 수단(LS1/LS2/LS3 또는 LS4)을 포함하고, 이에 의해 상기 포커싱 요소 및 상기 발광 수단은 상기 발광 수단(LS1-LS4)에 의해 방출된 광이 상기 관찰자 눈에서 또는 그에 가까이에 일치하도록 배열되는 것인, 비디오 홀로그램에 의한 삼차원 장면 재구성 장치.
- 청구항 1에 있어서,발광 강도를 증가시키기 위해 상기 공간 광 변조기 표면의 동시 조명을 위한 상호 비간섭성인 다수의 발광 수단(LS1-LS4)을 갖는 것인, 비디오 홀로그램에 의한 삼차원 장면 재구성 장치.
- 청구항 1에 있어서,상기 공간 광 변조기(SLM)는, 모든 조명 영역(R1-R4)이 동일한 비디오 홀로그램을 사용하여 삼차원 장면을 동시에 재구성하도록, 상기 조명 영역들(R1-R4) 사이의 경계에 관계없이 인코딩되는 것인, 비디오 홀로그램에 의한 삼차원 장면 재구성 장치.
- 청구항 1에 있어서,상기 조명 영역(R1-R4)은 상이한 강도로 조명되는 것인, 비디오 홀로그램에 의한 삼차원 장면 재구성 장치.
- 청구항 1에 있어서,상기 조명 유닛은 적어도 하나의 관찰자 윈도우(OWL, OWR)에 일치하는 광선 다발을 방출하는 것인, 비디오 홀로그램에 의한 삼차원 장면 재구성 장치.
- 청구항 1에 있어서,상기 포커싱 요소(21-24)는 상기 발광 수단(LS1-LS4)으로 상기 관찰자 플레인(OP) 상에 이미징하고 그에 의해 모든 이미지가 일치하는 것인, 비디오 홀로그램에 의한 삼차원 장면 재구성 장치.
- 청구항 1에 있어서,상기 포커싱 요소(21-24)는 렌즈인 것인, 비디오 홀로그램에 의한 삼차원 장면 재구성 장치.
- 청구항 7에 있어서,상기 포커싱 요소(21-24)는 렌티큘러(lenticular)로서 배열된 원통형 렌즈이고, 상기 발광 수단(LS1-LS4)은 선광원인 것인, 비디오 홀로그램에 의한 삼차원 장면 재구성 장치.
- 청구항 8에 있어서,상기 선광원은 슬롯 조리개(slot diaphragm)에 의해 형성되는 것인, 비디오 홀로그램에 의한 삼차원 장면 재구성 장치.
- 청구항 1에 있어서,상기 발광 수단은 개별적으로 어드레스되고 활성화될 수 있는 제어가능 및 어드레스가능한 광원으로 이루어진 어레이로 배열되고, 상기 장치는 관찰자의 눈 위치에 따라 보낸 광의 추적을 위해, 계산된 위치 데이터에 따라 어드레스된 광원을 계산 및 활성화하는 위치 검출 및 제어 시스템을 포함하는 것인, 비디오 홀로그램에 의한 삼차원 장면 재구성 장치.
- 청구항 10에 있어서,상기 위치 검출 시스템은 관찰자의 눈 위치의 측방 변화에 따라 상기 어레이의 활성화된 소스를 변위시키는(displace) 것인, 비디오 홀로그램에 의한 삼차원 장면 재구성 장치.
- 청구항 10에 있어서,상기 위치 검출 및 제어 시스템은 관찰자와 장치 사이의 간격 변화에 따라 상기 어레이의 활성화된 소스들 사이의 간격을 적응시키는 것인, 비디오 홀로그램에 의한 삼차원 장면 재구성 장치.
- 청구항 12에 있어서,상기 발광 수단과 상기 광학 포커싱 수단 사이의 간격은 적응가능한 것인, 비디오 홀로그램에 의한 삼차원 장면 재구성 장치.
- 청구항 12에 있어서,상기 광학 포커싱 수단의 초점 거리는 적응가능한 것인, 비디오 홀로그램에 의한 삼차원 장면 재구성 장치.
- 청구항 10에 있어서,전자적 제어가능한 광 투영 장치는 상기 광 배열을 실현하고, 상기 광 투영 장치는 바람직하게 컴퓨터 생성 홀로그램에 의해 인코딩된 추가적인 공간 광 변조기인 것인, 비디오 홀로그램에 의한 삼차원 장면 재구성 장치.
- 청구항 10에 있어서,각각의 조명 유닛 내 상기 발광 수단은 개별적으로 활성화되는 점광원의 어레이인 것인, 비디오 홀로그램에 의한 삼차원 장면 재구성 장치.
- 청구항 10에 있어서,각각의 조명 유닛 내 상기 발광 수단은 개별적으로 활성화되는 점광원의 라인 어레이인 것인, 비디오 홀로그램에 의한 삼차원 장면 재구성 장치.
- 청구항 10에 있어서,단일 광 배열은 장치의 모든 조명 유닛에 대하여 충분한 간섭성 광을 방출하는 발광 수단(LS1-LS4)을 제공하고, 이에 의해 조명 유닛 내 각각의 포커싱 요소가 개별적으로 활성화되는 다수의 점광원 또는 선광원에 할당되고, 상기 위치 검출 및 제어 시스템은 각각의 포커싱 요소에 대하여 관찰자 눈의 현재 위치에 대응하는 하나의 점광원 또는 선광원을 활성화하는 것인, 비디오 홀로그램에 의한 삼차원 장면 재구성 장치.
- 청구항 1에 있어서,상기 포커싱 수단 내 상기 포커싱 요소의 연장범위는, 인접한 포커싱 요소를 통한 발광 수단의 모든 광이 관찰자 눈의 시야를 상당히 벗어나도록 보내는 방식으로 선택되는 것인, 비디오 홀로그램에 의한 삼차원 장면 재구성 장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102005022658 | 2005-05-06 | ||
DE102005022658.2 | 2005-05-06 |
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KR20080004634A true KR20080004634A (ko) | 2008-01-09 |
KR101263968B1 KR101263968B1 (ko) | 2013-05-13 |
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KR1020077027613A Expired - Fee Related KR101263968B1 (ko) | 2005-05-06 | 2006-05-05 | 삼차원 장면의 홀로그래픽 재구성을 위한 장치 |
Country Status (11)
Country | Link |
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US (2) | US7535607B2 (ko) |
EP (1) | EP1776614B1 (ko) |
JP (1) | JP5180064B2 (ko) |
KR (1) | KR101263968B1 (ko) |
CN (1) | CN100578392C (ko) |
AT (1) | ATE516521T1 (ko) |
BR (1) | BRPI0612417A2 (ko) |
CA (1) | CA2606571A1 (ko) |
RU (1) | RU2383913C2 (ko) |
TW (1) | TWI351588B (ko) |
WO (1) | WO2006119920A1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US8730282B2 (en) | 2010-02-04 | 2014-05-20 | Samsung Electronics Co., Ltd. | 2D/3D switchable backlight unit and image display device |
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- 2006-05-05 WO PCT/EP2006/004217 patent/WO2006119920A1/en active Application Filing
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- 2006-05-05 JP JP2008509387A patent/JP5180064B2/ja active Active
- 2006-05-05 EP EP06724728A patent/EP1776614B1/en not_active Not-in-force
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- 2006-05-05 BR BRPI0612417-8A patent/BRPI0612417A2/pt not_active IP Right Cessation
- 2006-05-05 TW TW095116046A patent/TWI351588B/zh active
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US8730282B2 (en) | 2010-02-04 | 2014-05-20 | Samsung Electronics Co., Ltd. | 2D/3D switchable backlight unit and image display device |
KR102355140B1 (ko) * | 2020-07-28 | 2022-02-07 | 주식회사 토모큐브 | 저간섭성 광원과 다중 패턴 조명을 이용한 3차원 광회절 단층촬영 방법 및 장치 |
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KR101263968B1 (ko) | 2013-05-13 |
JP5180064B2 (ja) | 2013-04-10 |
WO2006119920B1 (en) | 2007-04-12 |
US20090225380A1 (en) | 2009-09-10 |
EP1776614B1 (en) | 2011-07-13 |
CN100578392C (zh) | 2010-01-06 |
EP1776614A1 (en) | 2007-04-25 |
ATE516521T1 (de) | 2011-07-15 |
TW200702956A (en) | 2007-01-16 |
WO2006119920A1 (en) | 2006-11-16 |
US20060250671A1 (en) | 2006-11-09 |
TWI351588B (en) | 2011-11-01 |
US8526088B2 (en) | 2013-09-03 |
BRPI0612417A2 (pt) | 2010-11-09 |
RU2383913C2 (ru) | 2010-03-10 |
CN101171553A (zh) | 2008-04-30 |
US7535607B2 (en) | 2009-05-19 |
CA2606571A1 (en) | 2006-11-16 |
JP2008541145A (ja) | 2008-11-20 |
RU2007145208A (ru) | 2009-06-20 |
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