臺灣博碩士論文加值系統

本文提出一新式 2D/3D 可切換模式的裸眼立體顯示器架構，利用聲光透鏡(Acousto-optic Lens)取代傳統柱狀透鏡光學元件。當聲波以駐波形式在聲光晶體中傳播，介質折射率會產生周期性變化，其光學特性如同一主動式柱狀透鏡或陣列，利用此聲光效應(Acousto-optic effect)原理可適時調整透鏡焦距，使觀賞距離不再受限；特別是應用於個人娛樂裝置，適當的透鏡焦距以提供更舒適的立體感知給不同瞳孔間距(IPD)之觀賞者。另外，聲光透鏡具備間距可變動優勢，能與不同解析度顯示器螢幕或立體影像相搭配。透過軟體模擬其系統架構並進行交錯殘影閾值(Crosstalk ratio)相關分析，驗證其聲光透鏡式立體顯示器之可行性。

A novel real-time 2D/3D switchable autostereoscopic display system using an acousto-optic lens (AOL) is proposed. The AOL can replace the convectional lenticular lens and can function according to the Acousto-optic effect. A periodic change of refractive index occurs inside the AOL crystal due to the interaction between standing acoustic wave and acousto-optic material inside the crystal and hence creates a lens or lens array with the focal length and/or the pitch of the lenses that are adjustable through the tuning of the external acoustic wave. The viewer can adjust the viewing distance appropriately according to the properties of the display and location. With the same property, the system can also be adjusted with an appropriate interpupillary distance (IPD) for personal entertainment applications. The proposed system with adjustable lens pitch, can adapt to different display panels with various resolutions and/or composited images. The operation principle of the system is analyzed with a set of design parameters and a set of simulation results to facilitate the implementation of the system and to verify the validity of the approach.

摘要 I
Acrobat II
目錄 IV
圖索引 VI
表索引 VIII
第一章 緒論1
1.1緒論1
1.2 研究背景與動機1
1.3 研究方法2
1.4 論文大綱2
第二章 文獻探討3
2.1 立體視覺之基本原理3
2.2 立體顯示技術9
2.2.1 戴眼鏡式顯示器(Stereoscopic display)9
2.2.2 裸眼立體顯示器(Autostereoscopic display)13
2.2.3 可切換2D/3D模式的顯示器19
2.3 相關術語定義24
2.4 影響立體影像品質的要素28
2.5 立體顯示器應用領域推展動向29
2.6 結語30
第三章 主動式聲光透鏡裸眼立體顯示器31
3.1主動式聲光透鏡裸眼立體顯示器架構31
3.2主動式聲光透鏡特性分析32
3.2.1 主動式聲光透鏡折射率32
3.2.2 主動式聲光透鏡焦距和間距36
3.2.3 即時可切換2D/3D模式和螢幕可翻轉特性39
3.2.4 裸眼立體顯示器觀賞距離41
3.3 聲光透鏡式裸眼立體顯示器之設計流程42
3.4 結語 43
第四章 架構模擬與分析44
4.1 傅立葉光學函數定義44
4.2 範例模擬51
4.3 交錯殘影閾值模擬結果與分析55
4.4 結語59
第五章 結論與未來展望60
5.1 結論60
5.2 未來展望61
參考文獻 62
附錄A.68

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