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研究生:鍾明志
研究生(外文):Ming-Chih Chung
論文名稱:應用結構光與雙照相機於3D座標量測系統
論文名稱(外文):The Application of Structured Light and Two CCD Cameras in 3D Coordinate Measurement
指導教授:林昌進
指導教授(外文):Psang-Dain Lin
學位類別:碩士
校院名稱:國立成功大學
系所名稱:機械工程學系碩博士班
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:2008
畢業學年度:96
語文別:中文
論文頁數:80
中文關鍵詞:結構光雙照相機歪斜光線座標量測
外文關鍵詞:skew raystructured lighttwo CCDcoordinate measurement
相關次數:
  • 被引用被引用:9
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以往3D座標量測過程中的影像處理,利用簡易針孔模型作為成像的理論基礎,非依照幾何光學折〈反〉射定理,所以在缺乏光線真實路徑的影像分析過程,因此高精度3D座標量測系統較難建立。

本文將以歪斜光線追蹤法,所建立之雙照相機立體成像系統,並應用此立體成像系統作3D座標量測,推算待測物體的3D參考座標〈world coordinate〉,量測的過程中運用結構光法,解決雙照相機影像接收後,會遇到的點匹配問題。並且在影像接收處理上,運用數位影像技術中的灰階化與二值化,解決結構光隨待測物體不同而產生的變色問題。此外如果待測物為平滑曲面,可再利用數值方法,找出結構光編碼過程中的誤判點,利用內差法找出誤判點的近似點,以降低整體的誤差率。最後由實際表面座標量測來驗證數值模擬的結果,以證明結構光法可以適用在匹配點的問題上。
As 3D coordinate measurement, however, precise modeling of binocular stereo vision systems is difficult because there is no ture imaging formation theory, and as a result, only the simplest pinhole model has previously been utilized traditionally.

This paper has demonstrated that a binocular stereo vision system can be modeled by the skew ray tracing method to study the geometric relations between the binocular camera images and the 3D surface.Combined the structured light to solve the problem from image matching between two CCD,during process of 3D coordinate measurement.Using the grayscale and thresholding of image processing to solve color changed by measured object.
We could reduce the fault rate, using interpolation to find similar solution to replace the mistake from coding structured light if the measured object is flat and smooth.Finally it proof the structured light could solve the match between two CCD by using the Coordinate Measuring Machine.
中文摘要-----------------------------------------------I
英文摘要-----------------------------------------------II
誌謝---------------------------------------------------III
目錄---------------------------------------------------IV
表目錄-------------------------------------------------VI
圖目錄-------------------------------------------------VII
符號說明-----------------------------------------------X
英文符號說明-------------------------------------------XIII
第一章 緒論-------------------------------------------1
1.1、前言 ----------------------------------------------1
1.2、文獻回顧------------------------------------------2
1.3、本文架構------------------------------------------8
第二章 歪斜光線與雙CCD成像系統------------------------10
2.1、幾何光學基本原理----------------------------------10
2.2、齊次座標轉換--------------------------------------12
2.3、歪斜光線追蹤分析----------------------------------15
2.4、光線追蹤立體成像系統建模分析----------------------29
第三章 結構光與相關原理-------------------------------36
3.1、投影機簡介----------------------------------------36
3.2、時間編碼結構光------------------------------------41
3.3、影像處理技術--------------------------------------44
第四章 實驗與結果討論---------------------------------49
4.1、實驗設備------------------------------------------49
4.2、實驗步驟------------------------------------------57
4.3、實驗結果與討論------------------------------------60
第五章 結論與未來展望---------------------------------67
參考文獻-----------------------------------------------69
附 錄 A------------------------------------------------74
附 錄 B------------------------------------------------75
附 錄 C------------------------------------------------78
自 述--------------------------------------------------80
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