BW2 = bwperim(BW)
BW2 = bwperim(BW, conn)
| Parameter | Description |
|---|---|
| BW | Input binary image. Nonzero values are treated as true. |
| conn | Connectivity, either 4 or 8. |
| Parameter | Description |
|---|---|
| BW2 | Logical image containing perimeter pixels. |
Find perimeter pixels of binary objects. Supported connectivities are 4 and 8.
BW=false(64,64); BW(20:44,20:44)=true;
P=bwperim(BW);
figure; imagesc(P); g=linspace(0,1,64)'; colormap([g g g]); title('Perimeter');
| Version | Description |
|---|---|
| 2.0.0 | initial version |