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研究生:郭騰隆
研究生(外文):Teng-Lung Kuo
論文名稱:畫素偏極取像系統的誤差分析研究
論文名稱(外文):Error analysis of pixelated polarizer based camera system
指導教授:黃敏睿
口試委員:陳元方林世聰
口試日期:2015-07-23
學位類別:碩士
校院名稱:國立中興大學
系所名稱:機械工程學系所
學門:工程學門
學類:機械工程學類
論文種類:學術論文
論文出版年:2015
畢業學年度:103
語文別:中文
論文頁數:71
中文關鍵詞:畫素偏極取像系統相移干涉術誤差分析金屬光柵
外文關鍵詞:micro-polarizer arrayPixelated polarizer-based cameraphase-shiftingerrors analysis
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  • 被引用被引用:0
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畫素偏極取像系統是以相鄰四畫素為一群組並搭配各群組中四個微畫素間的偏極變化,可同時取得個群組之相移資訊,極具實用性,而代價是必須犧牲空間解析度,過程中選取的是鄰近的幾個畫素來做相移,但這幾個畫素量測當下的相位並不一致因此會造成誤差,本論文中將探討除了因為犧牲空間解析度所造成的誤差外也將比較各相移法誤差,此外提出可以降低運算時所產生的誤差的方法,此方法為利用一3×3的矩陣,以其中心點為基準分成四個2×2的矩陣經過四組四步相移後,取其平均值來還原中心點的相位值,之後再將各相移法用於實驗做比較,其在模擬方面的結果效果十分顯著而實驗則因實驗的準確度效果有待加強。

Pixelated polarizer-based camera system is made of wire-grid micro-polarizer array. The wire-grid micro-polarizer array is produced a pattern of polarizers with four discrete polarizations which includes the 0, 45, 90, and 135 degree. The pixelated polarization camera acquires the four polarization orientations in a one video frame. The disadvantage is this technology must sacrifice the spatial resolution. The phase-shifting which uses four near neighboring pixels to calculate will produce some error because of the four pixels which do not really represent the phase of the same point. This study utilizes the tendency of error to provide the way which can reduce the error of Pixelated polarizer-based camera system, and compares the effect between experiment and simulation.

目錄
致謝 i
摘要 ii
Abstract iii
第一章 緒論 1
1.1 研究動機與方向 1
1.2文獻回顧 2
第二章 基本原理 6
2.1 偏極光 6
2.2 麥克森干涉術 7
2.3 Jones calculus 8
2.4 相移干涉技術 10
2.5 相位展開 15
第三章 光柵偏極板與攝影機原理 17
3.1 次波長金屬光柵的製造 17
3.2 次波長金屬光柵的偏極原理 17
3.3 CCD sensor構造與原理 20
3.4 取像原理 21
第四章 畫素偏極取像系統 24
4.1 畫素偏極片與CCD 24
4.2 系統架設 26
第五章 偏極取向系統的誤差模擬 32
5.1 系統誤差之成因 32
5.2 case 1 一維斜面-X方向有相位差 35
5.3 case 2 一維斜面-Y方向有相位差 37
5.4 case 3 二維斜平面-X與Y方向都有相位差的誤差模擬 39
5.5 一維斜平面-只有X方向有相位差的誤差模擬 41
5.6 二維斜平面-X與Y方向都有相位差的誤差模擬 51
5.7 誤差的降低 57
5.7.1 一維斜平面之誤差降低 57
5.7.2 二維斜平面誤差之降低 61
5.8實驗比較 64
第六章 結果與討論 68


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