Changeset 14525

Timestamp:

04/09/13 17:15:31 (12 years ago)

Author:

Eric.Larour

Message:

NEW: aggregation tool

Location:

issm/trunk-jpl/src/m/morphological

Files:

• aggregation.m (added)
• dilation.m (modified) (1 diff)
• erosion.m (modified) (1 diff)
• opening.m (modified) (1 diff)

issm/trunk-jpl/src/m/morphological/dilation.m

@@ -18 +18 @@
 
 %convolve mask: 
-mask=filter2(matrix,~mask,'same');
-pos=find(mask~=0); mask(pos)=1;
+convol=filter2(matrix,mask,'same');
 
-%opposite to recover the foreground: 
-mask=~mask;
+pos=find(mask==0);
+pos2=find(convol(pos)~=0);
+
+mask(pos(pos2))=1;

issm/trunk-jpl/src/m/morphological/erosion.m

@@ -19 +19 @@
 
 %convolve mask: 
-mask=filter2(matrix,mask,'same');
-pos=find(mask~=0); mask(pos)=1;
+convol=filter2(matrix,mask,'same');
+
+pos=find(mask==1);
+pos2=find(convol(pos)<neighboorhood);
+
+mask(pos(pos2))=0;

issm/trunk-jpl/src/m/morphological/opening.m

@@ -4 +4 @@
 mask=erosion(mask,neighboorhood);
 mask=dilation(mask,neighboorhood);
-