Is it possible to apply imdilate and imerode to a signal and not an image?

The question is exactly the topic name. I want to apply morphological gradient to a current signal, so I would like to know if it is possible to apply imdilate and imerode to this signal, or is it necessary to create another function for this?

The signal is a 15385x1 vector.

Answer 1

[Image Analyst]

Yes it is. Most, but not all, of the Image processing Toolbox functions can operate on a 1-D image/signal.

For a 1-D vector, you can also use movmax() instead of imdilate(), and movmin() instead of imerode().

[Luccas S.]

Okay, thank you!

Answer 2

[Benjamin Thompson]

Yes, it is. As shown here, the flag structuring element adds a value of one on each side of the pulse in this test:

>> se1 = strel('line',3,0);

>> figure, plot(imdilate([0 0 0 1 1 0 0 0 0], se1))

[Luccas S.]

Thanks, for the example!