Changeset 30984

Timestamp:

Mar 18, 2011, 6:46:08 PM (15 years ago)

Author:

eugene

Message:

fix an error in my logic: a valid peak can fail to have a footprint at the threshold because of the min pixel requirement

File:

• branches/eam_branches/ipp-20110213/psModules/src/objects/pmFootprintCullPeaks.c (modified) (1 diff)

branches/eam_branches/ipp-20110213/psModules/src/objects/pmFootprintCullPeaks.c

@@ -226 +226 @@
                 int y = peak->y - subImg->row0;
                 int myID = idImg->data.S32[y][x];
-
-                // a peak in this threshold bin must be in a valid footprint, right?
-                psAssert(myID > 0, "impossible"); 
                 psAssert(myID < found->n, "impossible");
+
+                // a peak in this threshold bin without a valid footprint comes from a region
+                // with only a handful of pixels (1 or more from the peak itself).  It probably
+                // cannot be joined to a neighbor
+                if (myID == 0) {
+                    psArrayAdd (brightPeaks, 128, peak);
+                    continue;
+                }
 
                 // keep this peak if found->data.U8[myID] == false (no brighter peak in the footprint)