A retinal blood vessel image segmentation method based on a multi-scale feature convolutional neural network
A convolutional neural network and retinal blood vessel technology, applied in biological neural network models, image analysis, image enhancement, etc., can solve problems such as a lot of energy and time, and the impact of subjective experience is large, achieving good results and expanding the receptive field. , the effect of reducing the training parameters
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[0040] The invention proposes a retinal blood vessel segmentation method based on a convolutional neural network combined with multi-scale features. First, the retinal images are appropriately preprocessed, including limited contrast adaptive histogram equalization and gamma brightness adjustment. At the same time, we carried out data augmentation for the problem of less retinal image data, and cut the experimental image into blocks, which expanded the wide applicability of the present invention. Secondly, by constructing a retinal blood vessel segmentation network combined with multi-scale features, the present invention introduces spatial pyramid hole pooling into an encoder-decoder structure convolutional neural network, and autonomously optimizes model parameters through multiple iterations to realize automatic pixel-level retinal blood vessels. Segmentation process to obtain retinal blood vessel segmentation map. On the one hand, the encoding and decoding process combine...
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