HIGHLIGHTS
SUMMARY
To observe the undistorted projection image for doctors, it is necessary to correct the image and project it onto the patient`s body surface. Based on the correction method based on quadratic surface fitting, and a correction method based on point cloud mapping was designed, which uses structured light to extract the point cloud information on the surface of the projection screen for coordinate transformation. Combined with the depth information, it solves the distortion problem of complex surface projection images, expands the surface applicability of the correction method, and improves the correction accuracy and . . .
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