Heart MRI segmentation method and system
A heart and segmentation model technology, applied in the field of image processing, can solve problems such as over-segmentation, and achieve the effect of improving segmentation accuracy and accuracy
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[0060] Example 1
[0061] like figure 1 As shown, the present invention provides a cardiac MRI division method, which act is as follows:
[0062] S1, get heart MRI data;
[0063] In this embodiment, the short-axis heart MRI data disclosed on the network is collected and has an expert labeling result, such as the MICCAI 2013 heart MRI segmentation competition data set, which includes normal people and short axis heart movie MRI images, each The data contains a complete heartcy cycle of the subject.
[0064] In this embodiment, the data set is divided into three parts: training set, verification set and test set, and utilize the mean, maximum minimum normalization method and data amplification method (random shear, image Rotation, image contrast change, etc.) Treatment of the heart MRI data of the training set to obtain the database required for model training.
[0065] S2, construct a heart MRI left and right ventricular center point detection model, and use the heart MRI data to t...
Example Embodiment
[0099] Example 2
[0100] like Figure 4 As shown, the present invention provides a cardiac MRI division system, including:
[0101] Data acquisition module for obtaining cardiac MRI data;
[0102] Cardiac MRI left and right ventricular center point detection model build module, used to construct a heart MRI left-right ventricular center point detection model, and use the heart MRI data to train the center point detection model of the heart MRI left and right ventricular center points;
[0103] The extraction module is used to extract the left and right ventricular center points information in the heart MRI data using the trained heart MRI left and right ventricular center point detection model, and extract the region and the central point distance of the region according to the left and right ventricular center point position information;
[0104] Cardiac MRI Segmentation Model Construction Module for constructing a heart MRI segmentation model, and training the heart MRI segmenta...
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