Fast three-dimensional reconstruction method for spinal CT image

Abstract

The invention discloses a fast three-dimensional reconstruction method for a spinal CT image, belongs to the medical field, and aims at solving problems that a spinal model is long in three-dimensional reconstruction time and is not sufficient in smoothness in the actual operation and teaching and research of the clinical medicine, especially in a screw implantation operation of vertebral pedicle.The invention provides the fast three-dimensional reconstruction method for the spinal CT image, and the method comprises the steps: performing preprocessing according to a three-dimensional reconstruction surface drawing theory through employing a characteristic selection bilateral filtering denoising algorithm, performing the improvement on the basis of a conventional MC (Marching Cubes) algorithm, selecting a seed voxel, extracting all voxels comprising a contour surface through the regional growth idea, determining a triangulation configuration of the contour surface in the voxels, carrying out the parallel processing through a visualization toolkit VTK and Open GL with the help of a GPU, and completing the fast and precise three-dimensional reconstruction of the spinal CT image. Themethod is of great significance to the analysis, research, actual operation and operation scheme formulating of spinal diseases.

Description

technical field [0001] The invention belongs to the medical field, and in particular relates to a fast three-dimensional reconstruction method of spinal CT images in spinal surgery and teaching research. Background technique [0002] Surgical treatment is the most effective way for spinal diseases. In traditional diagnosis and treatment, doctors use two-dimensional CT images to observe the lesion location and specific details. Sometimes it is necessary to observe multiple images at the same time. Not only is the efficiency low, but the error rate of diagnosis is also high. It is relatively high, most of which rely on the personal experience of doctors, which causes great uncertainty to the operation, and accurate lesion analysis before operation is very important. The surgical plan requires three-dimensional reconstruction of spinal CT images to make up for the limited information acquisition of two-dimensional tomographic images. The risk factor of spinal surgery is high, a...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a fast three-dimensional reconstruction method of spinal CT images to solve the problems in the above-mentioned background technology in view of the problems that the three-dimensional reconstruction time of the spine model is too long and the smoothness is insufficient in the current teaching research and clinical operation

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