A method and system for fundus image registration based on multispectral
A fundus image and multi-spectral technology, applied in image analysis, image enhancement, graphics and image conversion, etc., can solve the problems of fundus deformation, cost a lot of energy, and it is difficult to get aligned images, so as to achieve acceleration speed and accuracy, and avoid excessive Fitting effect
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[0062] The present disclosure provides a multispectral-based fundus image registration system, the method comprising:
[0063] Step (1): collect fundus images under different spectra, determine the template fundus image and the fundus image to be registered;
[0064] Step (2): Construct a regression network model based on the feature balance layer and pyramid structure, and obtain the spatial transformation matrix between the template fundus image and the fundus image to be registered;
[0065] Step (3): Train the regression network with a weak supervision method, use the segmentation map of the fundus image as the label, obtain the template fundus image and the blood vessel label map of the fundus image to be registered, use the Gaussian filter to process the blood vessel label map, and use the processed Correct the spatial transformation of the template fundus image and the fundus image to be registered, so that the regression network model outputs approximately smooth resul...
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