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CT
image of the right ventricle
First:Test
image. It is an ultra-fast CT image of the right ventricle of the canine.
Second:
Gradient image.
Third:
Interactively imposed markers (really dark pixel areas).
Fourth: Meyer's
watershed transform. The water coming from the markers floods all the irrelevant
catchment basins except the highest-crest line around the object marker.
The segmentation result looks visually sensible.
Questions:
1. How can the markers
be automatically detected?
2. What could
be the final wateshed lines if the object marker is a circle instead of
an elongated bar?
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