decompose
Return sequence of decomposed structuring elements
Syntax
Description
Examples
View Decomposition of Structuring Element
Create a disk-shaped structuring element.
se = strel('square',5)
se = strel is a square shaped structuring element with properties: Neighborhood: [5x5 logical] Dimensionality: 2
Extract the decomposition of the structuring element.
seq = decompose(se)
seq = 2x1 strel array with properties: Neighborhood Dimensionality
To see that dilating sequentially with the decomposed structuring elements really does form a 5-by-5 square, use imdilate
with the full option.
imdilate(1,seq,'full')
ans = 5×5
1 1 1 1 1
1 1 1 1 1
1 1 1 1 1
1 1 1 1 1
1 1 1 1 1
Extract Decomposition of Structuring Element
Create a ball-shaped structuring element.
se = offsetstrel('ball',5, 6.5)
se = offsetstrel is a ball shaped offset structuring element with properties: Offset: [11x11 double] Dimensionality: 2
Obtain the decomposition of the structuring element.
seq = decompose(se)
seq = 1x8 offsetstrel array with properties: Offset Dimensionality
Input Arguments
SE
— Structuring element
strel
or offsetstrel
object
Structuring element, specified as a strel
or offsetstrel
object.
Output Arguments
SEQ
— Sequence of structuring elements
array of strel
or offsetstrel
objects
Sequence of structuring elements that approximate the desired shape,
returned as an array of strel
or offsetstrel
objects.
Version History
See Also
Topics
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