基于三维虚拟理论的解剖学实验重建

Wei Dequan
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摘要

为了有效提取人体解剖实验器官图像的轮廓特征,实现三维虚拟解剖实验的三维可视化重建,提出了一种基于Harris小波多尺度分割的人体解剖实验器官图像提取算法。建立了基于三维虚拟的解剖实验重建模型。利用样条双正交小波对人体解剖实验器官图像进行增强,经过增强处理后初始化人体解剖实验的特征序列和边缘轮廓点的三维重建模型。利用仿射变换特征检测技术对传统的Snake算法进行改进,增强图像的边缘虚拟信息特征点,有效提取人体解剖实验器官图像的边缘特征。然后,根据信息素分布强度对帧点进行排序,将前一幅图像的边缘轮廓特征提取结果作为下一幅人体解剖实验器官图像边缘提取的起始点,再根据信息素分布强度对帧点进行排序。实现人体解剖实验器官图像边缘检测的批量处理。仿真结果表明,所提算法能有效提取人体解剖实验器官图像的边缘轮廓,且边缘轮廓点更接近人体解剖实验的真实器官边缘,能有效实现解剖实验的重建。
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Reconstruction of Anatomy Experiment Based on 3D Virtual Theory
In order to extract the contour feature of human anatomy experiment organ image effectively and realize 3D visualization reconstruction of 3D virtual anatomy experiment, an image extraction algorithm of human anatomy experiment organ based on Harris wavelet multi-scale segmentation is proposed. The reconstruction model of anatomical experiment based on three-dimensional virtual is constructed. The Splines biorthogonal wavelet is used to enhance the image of human anatomy experiment organ, and the 3D reconstruction model of the feature sequence and edge contour point of the human anatomy experiment is initialized after the enhancement processing. The affine transform feature detection technique is used to improve the traditional Snake algorithm to enhance the edge virtual information feature points of the image and extract the edge features of the human anatomy experimental organ image effectively. Then, the frame points are arranged according to the intensity of pheromone distribution, and the edge contour feature extraction result of the previous image is used as the initial point of edge extraction in the next image of human anatomy experiment organ, and then the frame points are arranged according to the intensity of pheromone distribution. Achieve the human anatomy experiment organ image edge detection batch processing. The simulation results show that the proposed algorithm can effectively extract the edge contour of the human anatomy experiment organ image, and the edge contour point is closer to the real organ edge of the human anatomy experiment, and the reconstruction of the anatomy experiment can be realized effectively.
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