Abstract
In order to improve the diagnosis and analysis ability of 3D spiral CT and to reconstruct the contour of 3D spiral CT damage image, a contour reconstruction method based on sharpening template enhancement for 3D spiral CT damage image is proposed. This method uses the active contour LasSO model to extract the contour feature of the 3D spiral CT damage image and enhances the information by sharpening the template enhancement technique and makes the noise separation of the 3D spiral CT damage image. The spiral CT image was processed with ENT, and the statistical shape model of 3D spiral CT damage image was established. The gradient algorithm is used to decompose the feature to realize the analysis and reconstruction of the contour feature of the 3D spiral CT damage image, so as to improve the adaptive feature matching ability and the ability to locate the abnormal feature points. The simulation results show that in the 3D spiral CT damage image contour reconstruction, the proposed method performs well in the feature matching of the output pixels, shortens the contour reconstruction time by 20/ms, and provides a strong ability to express the image information. The normalized reconstruction error of CES is 30%, which improves the recognition ability of 3D spiral CT damage image, and increases the signal-to-noise ratio of peak output by 40 dB over other methods.
Highlights
With the development of medical image processing technology, medical image analysis is performed through image information processing and analysis methods to improve the diagnosis and analysis ability of medical pathology
Spiral CT is a product of the development of computer information processing technology
In Ref. 6, a contour reconstruction technology of three-dimensional spiral CT damage image based on background di®erence continuous reconstruction and RGB quantitative decomposition is proposed, which adopts the grid segmentation method to perform template matching processing to CT image and to perform contour retrieval based on internal texture structure information of the CT image, improving the edge contour reconstruction ability of the image
Summary
With the development of medical image processing technology, medical image analysis is performed through image information processing and analysis methods to improve the diagnosis and analysis ability of medical pathology. In Ref. 6, a contour reconstruction technology of three-dimensional spiral CT damage image based on background di®erence continuous reconstruction and RGB quantitative decomposition is proposed, which adopts the grid segmentation method to perform template matching processing to CT image and to perform contour retrieval based on internal texture structure information of the CT image, improving the edge contour reconstruction ability of the image. This method has large computation load in contour reconstruction and provides low recognition accuracy of the reconstructed image. A simulation experiment is performed, which demonstrates the superior performance of the method proposed in this paper in improving the contour reconstruction ability of three-dimensional spiral CT damage image
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