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Seeing Beyond Pixels: Holography's Mission to Craft the Ultimate Visual Experience
Seeing Beyond Pixels: Holography's Mission to Craft the Ultimate Visual Experience
상세정보
- 자료유형
- 학위논문 서양
- 최종처리일시
- 20250211153032
- ISBN
- 9798346857105
- DDC
- 004
- 서명/저자
- Seeing Beyond Pixels: Holographys Mission to Craft the Ultimate Visual Experience
- 발행사항
- [Sl] : Northwestern University, 2024
- 발행사항
- Ann Arbor : ProQuest Dissertations & Theses, 2024
- 형태사항
- 306 p
- 주기사항
- Source: Dissertations Abstracts International, Volume: 86-06, Section: B.
- 주기사항
- Advisor: Cossairt, Oliver.
- 학위논문주기
- Thesis (Ph.D.)--Northwestern University, 2024.
- 초록/해제
- 요약As VR and AR emerge as next-generation computing platforms, current display technologies face significant limitations that restrict viewer comfort and hinder broader adoption. A major challenge is the accommodation-vergence conflict, which makes it difficult to create virtual images that convincingly mimic real-world visuals. This thesis explores how holographic displays can overcome these fundamental limitations, addressing critical obstacles including the lack of algorithms for accurate 3D scene reconstruction with proper depth cues and motion parallax, trade-offs between field-of-view and viewing angle due to limited space-bandwidth product, and coherent speckle noise that significantly degrades perceptual quality. This thesis first establishes a theoretical framework for computational displays and then introduces HoloTorch, an open-source framework enabling rapid prototyping of holographic systems. Building on this foundation, we present several innovative solutions: Stochastic Light Field Holography ensures accurate 3D reconstruction with correct motion parallax by integrating coherent and incoherent light transport principles. We address spatially varying aberrations through a novel patch-wise convolution method, while the Hogel Basis Screen concept and etendue expansion techniques employ machine learning to ´ expand the effective space-bandwidth product. To address speckle noise, we develop two complementary approaches: MultiSource Holography, leveraging angular diversity in illumination, and HoloChrome, utilizing polychromatic illumination-both validated through rigorous simulations and experimental prototypes. These methods demonstrate substantial improvements while revealing trade-offs between image quality, computational complexity, and system design. The frameworks and implementations presented here provide a foundation for future research in computational displays and AI-assisted optical system design, bringing holographic displays closer to meeting the demanding requirements of consumer AR/VR applications.
- 일반주제명
- Computer science
- 일반주제명
- Optics
- 일반주제명
- Electrical engineering
- 키워드
- Holography
- 기타저자
- Northwestern University Computer Science
- 기본자료저록
- Dissertations Abstracts International. 86-06B.
- 전자적 위치 및 접속
- 로그인 후 원문을 볼 수 있습니다.
MARC
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■00520250211153032
■006m o d
■007cr#unu||||||||
■020 ▼a9798346857105
■035 ▼a(MiAaPQ)AAI31636141
■040 ▼aMiAaPQ▼cMiAaPQ
■0820 ▼a004
■1001 ▼aSchiffers, Florian Andreas.▼0(orcid)0000-0003-3959-5163
■24510▼aSeeing Beyond Pixels: Holography's Mission to Craft the Ultimate Visual Experience
■260 ▼a[Sl]▼bNorthwestern University▼c2024
■260 1▼aAnn Arbor▼bProQuest Dissertations & Theses▼c2024
■300 ▼a306 p
■500 ▼aSource: Dissertations Abstracts International, Volume: 86-06, Section: B.
■500 ▼aAdvisor: Cossairt, Oliver.
■5021 ▼aThesis (Ph.D.)--Northwestern University, 2024.
■520 ▼aAs VR and AR emerge as next-generation computing platforms, current display technologies face significant limitations that restrict viewer comfort and hinder broader adoption. A major challenge is the accommodation-vergence conflict, which makes it difficult to create virtual images that convincingly mimic real-world visuals. This thesis explores how holographic displays can overcome these fundamental limitations, addressing critical obstacles including the lack of algorithms for accurate 3D scene reconstruction with proper depth cues and motion parallax, trade-offs between field-of-view and viewing angle due to limited space-bandwidth product, and coherent speckle noise that significantly degrades perceptual quality. This thesis first establishes a theoretical framework for computational displays and then introduces HoloTorch, an open-source framework enabling rapid prototyping of holographic systems. Building on this foundation, we present several innovative solutions: Stochastic Light Field Holography ensures accurate 3D reconstruction with correct motion parallax by integrating coherent and incoherent light transport principles. We address spatially varying aberrations through a novel patch-wise convolution method, while the Hogel Basis Screen concept and etendue expansion techniques employ machine learning to ´ expand the effective space-bandwidth product. To address speckle noise, we develop two complementary approaches: MultiSource Holography, leveraging angular diversity in illumination, and HoloChrome, utilizing polychromatic illumination-both validated through rigorous simulations and experimental prototypes. These methods demonstrate substantial improvements while revealing trade-offs between image quality, computational complexity, and system design. The frameworks and implementations presented here provide a foundation for future research in computational displays and AI-assisted optical system design, bringing holographic displays closer to meeting the demanding requirements of consumer AR/VR applications.
■590 ▼aSchool code: 0163.
■650 4▼aComputer science
■650 4▼aOptics
■650 4▼aElectrical engineering
■653 ▼aComputational displays
■653 ▼aComputational imaging
■653 ▼aComputer graphics
■653 ▼aHolography
■653 ▼aComputing platforms
■690 ▼a0984
■690 ▼a0752
■690 ▼a0544
■71020▼aNorthwestern University▼bComputer Science.
■7730 ▼tDissertations Abstracts International▼g86-06B.
■790 ▼a0163
■791 ▼aPh.D.
■792 ▼a2024
■793 ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17164689▼nKERIS▼z이 자료의 원문은 한국교육학술정보원에서 제공합니다.
