Left and right ear region segmentation method based on temporal bone CT horizontal scanning image
A region segmentation and CT image technology, applied in the field of medical image processing, to achieve the effect of avoiding interference, fast calculation speed, simple and effective method
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[0029] For an input temporal bone CT picture I, the left and right ear regions are segmented and extracted. The specific steps are:
[0030] (1) Use the threshold T=500 to perform effective area binarization on I to obtain a binarized feature map. Calculate the upper boundary UP, lower boundary DOWN, left boundary LEFT, and right boundary RIGHT of the effective area according to the feature map. Crop I according to the boundary, and use the Bicubic algorithm to interpolate the CT image of the effective area after clipping to enlarge it to 512×512;
[0031] (2) Cropping of left and right ear regions and discarding of irrelevant regions. The range of the right ear area is: the upper boundary up takes 200, the lower boundary down takes 300, and the left boundary left r Take 1, the right boundary right r Take 250; the range of the left ear area is: the upper boundary up takes 200, the lower boundary down takes 300, and the left boundary left l Take 263, the right boundary rig...
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