Extract objects
Extracting objects from the original image eliminates unrelated pixels and provides new images that can be analyzed independently.
The key is to crop images so that they only include the object of interest. The range of pixel indices that encompass the object is the bounding box.
For this exercise, use ndi.find_objects() to create a new image containing only the left ventricle.
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<Kurs>Biomedical Image Analysis in Python</Kurs>Interaktive praktische Übung
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# Create left ventricle mask
labels, nlabels = ____
lv_val = ____
lv_mask = np.where(____, 1, 0)