Medical image segmentation method and device
A medical image and image technology, applied in the field of image processing, can solve the problems of poor segmentation effect and low efficiency, and achieve the effect of fast speed, high time efficiency and strong noise resistance
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[0021] One image segmentation algorithm is the Otsu threshold method, which was proposed by the Japanese scholar Otsu in 1979, also known as the Otsu method or the maximum inter-class variance method. The Otsu threshold method divides the image into two parts, the background and the target (that is, the region of interest) according to the grayscale characteristics of the image. The greater the inter-class variance between the background and the target, the greater the difference between the two parts of the image. When the image is segmented, part of the target is misclassified as the background or part of the background is misclassified as the target, which will cause the difference between the two parts to change. Small. Therefore, ensuring the maximum variance between classes in image segmentation means the minimum probability of misclassification. The Otsu threshold method has high operation efficiency and fast speed, but the Otsu algorithm itself is sensitive to noise a...
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