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METHODS AND SYSTEMS FOR MAPPING A VIRTUAL MODEL OF AN OBJECT TO THE OBJECT
METHODS AND SYSTEMS FOR MAPPING A VIRTUAL MODEL OF AN OBJECT TO THE OBJECT
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机译:将对象的虚拟模型映射到对象的方法和系统
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摘要
A method of and apparatus for mapping a virtual model (100) formed from a scanned image of a part (10) of a patient to that part 10 of the patient. A camera (72) with a probe (74) fixed thereto is moved relative to the part (10) of the patient until a video image of that part (10) captured by the camera (72) appears to coincide on a video screen (80) with the virtual model which is shown fixed on that screen (80). The position of the camera (72) in a real coordinate system (11 ) is sensed. The position in a virtual coordinate system (110) of the virtual model (100) relative to a virtual camera by which the view of the virtual model (100) on the screen (80) is notionally captured is predetermined and known. From this, the position of the virtual model (100) relative to the part (10) of the patient can be mapped and a transform generated to position the part (10) of the patient in the virtual coordinate system (110) to approximately coincide with the virtual model (100).
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