東華大學圖書館 |

語系: 繁體中文

說明(常見問題)

回圖書館首頁

手機版館藏查詢

登入

回首頁 到查詢結果 [ null ]

切換: 標籤 | MARC模式 | ISBD

Methods of Enhancing Optical Perform...

Xu, Miaomiao.

FindBook

Google Book

Amazon

博客來

Methods of Enhancing Optical Performance in AR & VR: Dynamic Range and Image Quality.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Methods of Enhancing Optical Performance in AR & VR: Dynamic Range and Image Quality./
作者:	Xu, Miaomiao.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2020,
面頁冊數:	173 p.
附註:	Source: Dissertations Abstracts International, Volume: 82-01, Section: B.
Contained By:	Dissertations Abstracts International82-01B.
標題:	Optics. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=27997923
ISBN:	9798641048048

Methods of Enhancing Optical Performance in AR & VR: Dynamic Range and Image Quality.
Xu, Miaomiao.

Methods of Enhancing Optical Performance in AR & VR: Dynamic Range and Image Quality. - Ann Arbor : ProQuest Dissertations & Theses, 2020 - 173 p.

Source: Dissertations Abstracts International, Volume: 82-01, Section: B.

Thesis (Ph.D.)--The University of Arizona, 2020.

This item must not be sold to any third party vendors.

With rapid development and commercialization of consumer head mounted displays (HMDs), developing compact, light-weighted HMDs while maintaining high image performances and visual comforts becomes a critical task. In HMDs, the display engine, optical combiner and viewing optics are the imaging and optical backbones of HMDs, and are the most important elements affecting the image quality and performance.The display engine renders the virtual image contents seen by the eye. Its parameters directly affect the rendered image performance and fidelity, such as resolution, frame rate, and dynamic range. The optical combiner is to couple the displayed virtual image with the real world scene. A well-designed optical combiner can provide high efficiency, high uniformity images with correct depths for both virtual image and see-through scenes. The viewing optics is a bridge between the display engine and the optical combiner, which magnifies the image from the display engine and couples the image into the optical combiner. Its image quality is also important to the image contrast, resolution and brightness. In this dissertation, we presented our methods of improving the optical performance for each of the mentioned optical elements. For the display engine, we aim to improve its dynamic range by adopting a dual-layer modulation method. A systematic approach regarding to the design, calibration, and rendering algorithm is presented. To solve the vergence-accommodation conflict (VAC) in a lightguide-based system, we studied the image performance and artifacts when the image focal depth is deviated from its preferred infinitely-collimated depth. For the optical combiner, a method of designing a micro-structural mirror array geometrical lightguide with optimal optical efficiency, uniformity and minimal stray light is demonstrated. For the viewing optics, a method of designing a monolithic freeform prism as an image collimator is presented. It is much more compact compared with the traditional viewing optics, while maintaining high image quality.

ISBN: 9798641048048Subjects--Topical Terms:

517925
Optics.
Subjects--Index Terms:

3D display

Methods of Enhancing Optical Performance in AR & VR: Dynamic Range and Image Quality.
LDR:03213nmm a2200373 4500 001 2276009
005 20210416102011.5
008 220723s2020 ||||||||||||||||| ||eng d
020 $a 9798641048048
035 $a (MiAaPQ)AAI27997923
035 $a AAI27997923
040 $a MiAaPQ $c MiAaPQ
100 1 $a Xu, Miaomiao. $3 3554263
245 1 0 $a Methods of Enhancing Optical Performance in AR & VR: Dynamic Range and Image Quality.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2020
300 $a 173 p.
500 $a Source: Dissertations Abstracts International, Volume: 82-01, Section: B.
500 $a Advisor: Hua, Hong.
502 $a Thesis (Ph.D.)--The University of Arizona, 2020.
506 $a This item must not be sold to any third party vendors.
520 $a With rapid development and commercialization of consumer head mounted displays (HMDs), developing compact, light-weighted HMDs while maintaining high image performances and visual comforts becomes a critical task. In HMDs, the display engine, optical combiner and viewing optics are the imaging and optical backbones of HMDs, and are the most important elements affecting the image quality and performance.The display engine renders the virtual image contents seen by the eye. Its parameters directly affect the rendered image performance and fidelity, such as resolution, frame rate, and dynamic range. The optical combiner is to couple the displayed virtual image with the real world scene. A well-designed optical combiner can provide high efficiency, high uniformity images with correct depths for both virtual image and see-through scenes. The viewing optics is a bridge between the display engine and the optical combiner, which magnifies the image from the display engine and couples the image into the optical combiner. Its image quality is also important to the image contrast, resolution and brightness. In this dissertation, we presented our methods of improving the optical performance for each of the mentioned optical elements. For the display engine, we aim to improve its dynamic range by adopting a dual-layer modulation method. A systematic approach regarding to the design, calibration, and rendering algorithm is presented. To solve the vergence-accommodation conflict (VAC) in a lightguide-based system, we studied the image performance and artifacts when the image focal depth is deviated from its preferred infinitely-collimated depth. For the optical combiner, a method of designing a micro-structural mirror array geometrical lightguide with optimal optical efficiency, uniformity and minimal stray light is demonstrated. For the viewing optics, a method of designing a monolithic freeform prism as an image collimator is presented. It is much more compact compared with the traditional viewing optics, while maintaining high image quality.
590 $a School code: 0009.
650 4 $a Optics. $3 517925
650 4 $a Engineering. $3 586835
653 $a 3D display
653 $a AR
653 $a Head-mounted display
653 $a High dynamic range
653 $a Lightguide
653 $a VR
690 $a 0752
690 $a 0537
710 2 $a The University of Arizona. $b Optical Sciences. $3 1019548
773 0 $t Dissertations Abstracts International $g 82-01B.
790 $a 0009
791 $a Ph.D.
792 $a 2020
793 $a English
856 4 0 $u https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=27997923