imdilate
Dilate a binary or grayscale image or volume.
📝Syntax
J = imdilate(I, SE)
📥Input Arguments
Parameter Description
I Input binary or grayscale image, or 3-D volume.
SE Structuring element structure or logical neighborhood.
📤Output Arguments
Parameter Description
J Dilated image or volume.
📄Description

Dilate a binary or grayscale image. With a 3-D structuring element, imdilate dilates a 3-D volume.

💡Examples
Dilate a binary text-like image
BW=false(7,15); BW(2:6,3:4)=true; BW(2:6,8:9)=true; BW(4,5:7)=true;
J=imdilate(BW,strel('square',3));
figure; subplot(1,2,1); imagesc(BW); g=linspace(0,1,64)'; colormap([g g g]); title('Input');
subplot(1,2,2); imagesc(J); g=linspace(0,1,64)'; colormap([g g g]); title('Dilated');
Example illustration
🔗See Also
imerodeimcloseimopenstrel
🕔Version History
Version Description
2.0.0 initial version
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