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image-processingcomputer-visionscikit-image

regarding extracting the segmented result

I have an image, and perform K-means-based segmentation against is using slic method. The code and result are attached. My question is that How can I extract the information for each segmented patch, such as its location, area, label, or related pixel values, etc.

segments = slic(img, n_segments = 250, sigma = 5,compactness=0.1)

enter image description here enter image description here

As advised, I used props = regionprops(segments) to extract the segmented patches. It turns out that props only has 249 elements instead of 250 as I setup in slic method. what causes the mismatch here?

Solution

  • You can use skimage.measure.regionprops. Note: SLIC currently returns values in [0, ..., n_labels-1], but regionprops ignores 0, so you should add 1 to the output of SLIC.