A method for segmenting the intima of a blood vessel in an intravascular ultrasound image
A technology of ultrasound images and ultrasound images, applied in the field of image processing, can solve problems such as low robustness, failure to meet clinical real-time requirements, redundant and complex model processing processes, etc., and achieve the effect of improving recognition ability and preventing gradient disappearance
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[0040] The present invention will be further described below in conjunction with specific examples.
[0041] Such as figure 1 As shown, the method for intima segmentation of intravascular ultrasound images provided in this embodiment includes the following steps:
[0042] S1. Collect intravascular ultrasound image data, and mark the intima-media region in each intravascular ultrasound image.
[0043] Assume that a total of IVUS images I i , i∈[1,…,M], where M is the total number of images, for each I i Let the clinician label the medial area and there will be a corresponding labeling map L i , select I i and L i Four-fifths of them constitute the training set Train, and one-fifth constitute the independent test set Test. A total of 666 intravascular ultrasound images and annotations were collected, 500 of which were used as the training set and 166 were used as the test set Test. The image size is 512×512.
[0044] S2. Perform polar coordinate transformation on the tra...
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