Method and system for determining sagittal direction medial surface of craniomaxillofacial soft tissue based on optical imaging
A technology for optical imaging and determining methods, applied in image enhancement, image analysis, image data processing, etc.
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[0042] A method for determining the sagittal axis plane of cranio-maxillofacial soft tissue based on optical imaging, such as figure 1 , including the following steps,
[0043] S1. Three-dimensional space calibration: use Zhang Zhengyou’s camera calibration method in binocular vision technology to calibrate, and obtain the internal and external parameters of the camera group; establish a three-dimensional coordinate system with the midpoint of the two cameras as the origin of the world coordinates: take the camera lens L center point O l with camera lens R center point O r The middle point O of the connection line is the origin of the coordinate system, the line connecting the center of the camera lens is the X axis, which is parallel to the ground, the Y axis is perpendicular to the ground, and the Z axis is perpendicular to the X axis and the Y axis. The acquisition diagram is as follows figure 2 shown;
[0044] S2. Craniomaxillofacial collection: let the subject stand fac...
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