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  • 學位論文

發展基於立體視覺影像之多鏡頭模組監控系統

Development of a Stereovision-Based Video Surveillance System with Multi-Lens Module

指導教授 : 陳冠宇

摘要


本文研究結合了多種技術,包含立體視覺、3D影像重建、紅外線感測攝影技術,以開發一個基於立體視覺影像的多鏡頭模組之監控系統。該系統最主要的功能包含雙目立體視覺、自動對焦與移動物體追蹤、3D影像重建、3D熱影像。系統能夠藉由改良式立體視覺得到監控物的三維空間資訊。自動追蹤監控物,並透過混合式自動對焦技術記錄清晰影像。通過影像擷取、攝影機標定、立體校正、影像立體匹配、視差深度計算、物體表面重建三維模型。發展3D熱影像技術,以建立場域中的立體溫度資訊,並可以過濾掉環境溫度,顯示監測物的溫度變化。

並列摘要


This paper combines multiple techniques, including novel stereovision, three-dimensional image reconstruction and infrared photography technique, to develop a stereovision-based video surveillance system with multi-lens module. The main function of this system including binocular stereoscopic vision, autofocus with motion tracking 3D image reconstruction, and 3D thermal image. First, the system uses the novel stereovision for obtaining three- dimensional position of the surveilled object. Second, tracing the moving surveilled object and record a clear video by using hybrid autofocus technique. Third, using image capture, camera calibration, stereo calibration, image matching, and parallax depth calculation to reconstruct surface reconstruction of 3D models. Finally, the system provides the 3D thermal information of the field, and it can remove the environment thermal information to show the surveilled object’s only.

參考文獻


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