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研究生: 陳英煥
Chen, Ying-Huan
論文名稱: 空照數位像機拍攝高重疊影像匹配高密度點雲
3D Point Cloud Determination by Using High Overlapping Images Taken from Digital Aerial Camera
指導教授: 蔡展榮
Tsay, Jaan-Rong
學位類別: 碩士
Master
系所名稱: 工學院 - 測量及空間資訊學系
Department of Geomatics
論文出版年: 2007
畢業學年度: 95
語文別: 中文
論文頁數: 107
中文關鍵詞: 空照數位像機高重疊影像影像追蹤光達
外文關鍵詞: highly overlapping images, image tracking, digital aerial camera, LiDAR
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  • 本文提出一個新方法來施行空照數位相機拍攝取得的高重疊數位影像之自動化特徵點追蹤匹配,討論此方法的設計構想,希望藉以使用成功匹配點來產生大量三維物表點以供後續的應用,例如求定數值地形模型、三維城市建模。本文也提出一些初步的測試成果和分析,並做出一些初步的歸納與結論。另外,也對新一代的數值航空攝影測量和空載光達測量進行比較與討論。

    This paper presents a new method for matching corresponding points in highly overlapping digital aerial images taken from digital aerial cameras. The ideas and concepts concerned are briefly described. A huge number of matched points are then used to determine a dense cloud of 3D object points for later applications such as DTM determination and 3D cyber city modeling. Some preliminary test results are shown and analyzed. Concluding remarks are also drawn. Moreover, a new era of digital aerial photogrammetry are compared and discussed with airborne LiDARgrammetry.

    中文摘要...................................................................................................I 英文摘要...................................................................................................II 目錄..........................................................................................................III 表目錄......................................................................................................VI 圖目錄...................................................................................................VIII 第一章 緒論................................1 §1-1 研究動機與目的....................1 §1-2 空載光達測量與航空攝影測量........1 §1-2-1 空載光達測量................2 §1-2-2 航空攝影測量................4 §1-2-3 數位與傳統航空攝影測量......4 §1-3 文獻回顧..........................6 §1-3-1 空三軟體....................6 §1-3-2 特徵點萃取..................7 §1-3-3 Förstner特徵萃取............9 §1-3-4 追蹤匹配方法................10 §1-3-5 光流法......................11 §1-3-6 光流迭代法..................11 §1-4 研究方法與流程....................13 §1-5 論文架構..........................16 第二章 空照數位像機........................17 §2-1 空照類比和數位像機的比較..........17 §2-2 空照數位像機類型..................18 §2-2-1 數位空照像機的成像原理......19 §2-2-1-1 框幅影像成像原理......19 §2-2-1-2 三線式成像原理........22 §2-2-2 空照像機成像品質比較........23 §2-3 數位航空攝影測量面臨的問題........24 §2-4 影像範例..........................25 第三章 同名點追蹤匹配法之設計和測試........27 §3-1 同名點追蹤匹配流程................27 §3-2 實驗區資訊........................29 §3-3 測試數據說明......................31 §3-4 Förstner萃取特徵點................33 §3-5 光流迭代法追蹤匹配測試............34 §3-6 高斯影像金字塔約化................36 §3-7 匹配與求定大量三維點雲新方法......39 §3-7-1 影像金字塔由粗至細的追蹤....40 §3-7-2 立體對兩張影像的追蹤測試....43 §3-7-3 連續影像的追蹤測試..........48 第四章 實驗與分析..........................56 §4-1原始層影像的初始平移量.............56 §4-2 多張影像追蹤成果分析..............64 §4-3興趣區匹配成果.....................73 §4-3-1遮蔽區/陰影區................73 §4-3-2 樹表面......................81 §4-4 ORIMA匹配點成果...................83 第五章 結論與建議..........................96 參考文獻..............................................................................................99 附錄........................................................................................................103

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