自動相機校正與二維影像輪廓萃取研究

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姓名

廖紘億(Hong-yi Liao) 查詢紙本館藏

畢業系所

機械工程學系

論文名稱

自動相機校正與二維影像輪廓萃取研究
(The Research for Automatic Camera Calibration and Silhouette Extraction from 2D images)

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摘要(中)

本論文發展一套自動相機校正與二維輪廓影像萃取之流程。首先介紹相機校正的應用，其次介紹相機校正的方法，接著介紹相機模型與二維輪廓萃取相關理論。
本論文以2D校正為基礎，發展使用不同型態定位片之校正流程，包含影像處理、感興趣區域找尋與解碼定位片，並以自二維影像萃取出之輪廓外形配合相機校正之結果進行由本論文開發的反投影方法，還原相機在拍攝當下的環境，並將二維影像上的資訊由像素單位轉換至長度單位。
本論文最後舉三個不同範例，利用本論文提出之自動相機校正與二維輪廓影像萃取之流程產生校正結果，並使用這些結果輸入至應用端重建三維模型，用以驗證本研究之正確性。

摘要(英)

This study develops a process of automatic camera calibration and extracts silhouette from 2D images. First, this study introduced camera calibration applications, and then introduced camera calibration methods. Finally, this study introduced theory of camera model and silhouette extraction method from 2D images.
This study, based on 2D camera calibration, develops a process of different type camera calibration pattern, including image process, regions of interest and decode calibration pattern. Performing re-projection method developed in this study by silhouette from 2D images and camera calibration result, this study are able to reappear the picture taking parameters and translate pixel unit to physical unit.
At last, this study will demonstrate three examples, using the development of process of automatic camera calibration and extract silhouette from 2D images and re-projection method. They are used to verify the accuracy of this study.

關鍵字(中)

★ 相機校正
★ 感興趣區域
★ 輪廓萃取

關鍵字(英)

★ camera calibration
★ regions of interest
★ extract silhouette

論文目次

摘要 I
ABSTRACT II
致謝 III
目錄 IV
圖目錄 V
表目錄 VIII
符號說明 IX
第一章緒論 1
1-1背景 1
1-2 文獻回顧 2
1-3 研究動機 8
1-4 研究目的 8
1-5 論文大綱 9
第二章理論說明 10
2-1 造鏡者公式 10
2-2 相機模型 12
2-3 單應性矩陣 16
2-4 相機校正 18
2-5 輪廓萃取與簡化 21
第三章自動相機校正與2D影像輪廓萃取研究 26
3-1定位片設計與規格 27
3-2 影像處理與感興趣區域找尋 27
3-3 解碼定位片 29
3-4 相機校正 35
3-5 相機校正輸出格式 39
3-6 輪廓萃取 40
3-7 反投影 42
第四章結果與驗證 44
4-1本論文使用之開源資料庫與人機介面介紹 44
4-2相機校正驗證 46
4-3 範例驗證 47
第五章結論與未來展望 63
5-1 結論 63
5-2 未來展望 63
參考文獻 65

參考文獻

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指導教授

廖昭仰(Chao-yaug Liao)

審核日期

2015-8-25

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