Note
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Add labels¶
Display a labels layer above of an image layer using the add_labels and
add_image APIs
from skimage import data
from skimage.filters import threshold_otsu
from skimage.measure import label
from skimage.morphology import closing, remove_small_objects, square
from skimage.segmentation import clear_border
import napari
image = data.coins()[50:-50, 50:-50]
# apply threshold
thresh = threshold_otsu(image)
bw = closing(image > thresh, square(4))
# remove artifacts connected to image border
cleared = remove_small_objects(clear_border(bw), 20)
# label image regions
label_image = label(cleared)
# initialise viewer with coins image
viewer = napari.view_image(image, name='coins', rgb=False)
# add the labels
label_layer = viewer.add_labels(label_image, name='segmentation')
if __name__ == '__main__':
napari.run()