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Question on watershed segmentation [message #42235]

Fri, 14 January 2005 10:38

Pravesh
Messages: 17
Registered: August 2004

Junior Member

has anybody used watershed from the idl lib?

When we use watershed, the returned array consists of integers that
number the regions that belong together.
0's indicate the boundary of these regions.
so, if from a watershed-segmented image, i want to extract data for a
particular segment only, how do i do it?
the fact that a logical segment in an image can contain a number of
segment obtained from watershed should be taken into consideration.

if the image can be divided into 6 logical segments, how do i get the
data(say, no. of pixels) for segment number 3 that consists of say, 500
small segments (watersheds!) obtained from watershed function.

pravesh

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