Marker-free optical surgical navigation system and navigation method thereof
A surgical navigation and marker-free technology, which is applied in the surgical navigation system and other directions, can solve the problems of navigation drop, cumbersome and time-consuming operation process, and light occlusion of marker points, so as to reduce the operation process, reduce operation time, and solve the problem of marker drop Effect
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[0023] The present invention will be further described below in conjunction with specific embodiments.
[0024] Such as figure 1 As shown, the mark-free optical surgical navigation system provided by this embodiment includes a structured light three-dimensional scanning system, an optical positioning system, a calibration board (not shown in the figure) and a graphics workstation 6.
[0025] The structured light three-dimensional scanning system includes a visualization camera 2, a visualization camera 4, and a projector 5. A structured light coordinate system is established. The graphics workstation 6 controls the projector 5 to continuously project structured light to the patient's surgical area, and controls the visualization camera 2, and the visualization camera 4 Synchronous acquisition of structured light images of the patient's surface; through the principle of triangulation, a three-dimensional point cloud of the surface of the patient's surgical site under the structured ...
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