Blood vessel bifurcation extracting method and system of lung CT picture
A CT image and extraction method technology, applied in the field of image processing, can solve the problems of noise sensitivity and high requirements for refined results, and achieve the effects of strong robustness, auxiliary clinical diagnosis and treatment, and high execution efficiency.
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[0026] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0027] The blood vessel bifurcation point extraction method of the lung CT image proposed by the present invention makes full use of the spherical characteristics of the geometric structure of the blood vessel bifurcation point and the accumulative nature of tensor voting. Ball tensor voting is performed on the pixels of the ball tensor, and the local maximum value of the significance coefficient of the ball tensor is solved to obtain the candidate blood vessel bifurcation point, and then the end point of the blood vessel is removed by the principal component analysis algorithm to obtain an accurate...
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