碩士 / 長庚大學 / 醫療機電工程研究所 / 96 / In this study, a surgical navigation system based on stereo-vision has been proposed. First, surface point data of a patient are captured from two cameras by using the stereo-vision technique, which is improved with the help of a projector. Meanwhile, another surface point data obtained from the patient’s pre-stored CT images is imported. Two surface point data are then registered by Feature-added ICP in order to fuse the information of CT to the real space in operation room. In addition, two tracking systems are designed to this system for further surgical navigation. The first stereo-vision-based tracker is tracked by the mentioned two cameras, whereas the second one is embedded with a commercialized optical tracker. As a result, the anatomical information obtained from CT can be fused on the images captured by the cameras; the tracker can be mounted to any surgical device for further surgical applications. Compared to conventional image guided surgeries, the proposed system takes advantage of fusing the visual and anatomical information and has two features: without using markers and without contacting patient. The system was evaluated by using a plastic phantom.
| Identifer | oai:union.ndltd.org:TW/095CGU00763003 |
| Date | January 2007 |
| Creators | Chung-Wei, Lin, 林仲偉 |
| Contributors | Jiann-Der, Lee, 李建德 |
| Source Sets | National Digital Library of Theses and Dissertations in Taiwan |
| Language | zh-TW |
| Detected Language | English |
| Type | 學位論文 ; thesis |
| Format | 78 |
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