Coronary artery sequence blood vessel segmentation method based on space-time discriminative feature learning
A coronary artery and feature learning technology, applied in neural learning methods, image analysis, image data processing and other directions, can solve the problems of noise interference, spatial distribution noise interference, not considering class imbalance, etc. The effect of interference, alleviation of class imbalance, and reduction of residual background
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[0037] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is carried out on the premise of the technical solution of the present invention, and detailed implementation and specific operation process are given, but the protection scope of the present invention is not limited to the following embodiments.
[0038] This embodiment provides a coronary artery sequence blood vessel segmentation method based on spatio-temporal discriminative feature learning, the method runs in the GPU, including:
[0039] 1. Design of network structure
[0040] Such as figure 1 As shown, the network structure of this embodiment is an improved version based on the traditional U-net structure, including an encoding part, a skip connection layer and a decoding part.
[0041] 1.1, coding part
[0042] The input of the network model in this embodiment is the adjacent 4 frames of contrast images (F i-2 ,F i-1...
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