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USF Tampa Graduate Theses and Dissertations

3D reconstruction

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Visual Slam And Surface Reconstruction For Abdominal Minimally Invasive Surgery, Bingxiong Lin Jan 2015

Visual Slam And Surface Reconstruction For Abdominal Minimally Invasive Surgery, Bingxiong Lin

USF Tampa Graduate Theses and Dissertations

Depth information of tissue surfaces and laparoscope poses are crucial for accurate surgical guidance and navigation in Computer Assisted Surgeries (CAS). Intra-operative Three Dimensional (3D) reconstruction and laparoscope localization are therefore two fundamental tasks in CAS. This dissertation focuses on the abdominal Minimally Invasive Surgeries (MIS) and presents laparoscopic-video-based methods for these two tasks.

Different kinds of methods have been presented to recover 3D surface structures of surgical scenes in MIS. Those methods are mainly based on laser, structured light, time-of-flight cameras, and video cameras. Among them, laparoscopic-video-based surface reconstruction techniques have many significant advantages. Specifically, they are non-invasive, provide …