Method for establishing simulated three-dimensional intracranial vascular stenosis analysis model
A technology of intracranial blood vessels and three-dimensional models, applied in the field of image processing, can solve the problems of location and analysis of unfavorable intracranial blood vessel lesions, and achieve the effects of facilitating positioning and display, improving registration efficiency, and improving registration accuracy
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[0148] An optional implementation of this step includes:
[0149] Perform gray-scale linear transformation on each registered bright blood image to obtain K contrast-enhanced bright blood images;
[0150] In the embodiment of the present invention, according to the characteristic that the blood is high signal in the bright blood image, while the surrounding brain tissue is low signal, the gray scale linear transformation is performed on the registered bright blood image, and the gray scale range of the image is adjusted to achieve the purpose of improving the image contrast. .
[0151] For example, the grayscale linear transformation and parameter settings used in a bright blood image after registration are as follows: Figure 12 as shown, Figure 12 It is a schematic diagram of grayscale linear transformation and parameter setting provided by the embodiment of the present invention. use Figure 12 The gray scale linear transformation shown can extend the smaller range of ...
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