Changeset 36816 for branches/eam_branches/ipp-20140423/psModules/src/objects/pmPSFtryMakePSF.c

Timestamp:

Jun 5, 2014, 4:02:53 PM (12 years ago)

Author:

eugene

Message:

add some visualization and ability to dump data to pmVisual; clip extreme outliers from psf model

File:

• branches/eam_branches/ipp-20140423/psModules/src/objects/pmPSFtryMakePSF.c (modified) (1 diff)

branches/eam_branches/ipp-20140423/psModules/src/objects/pmPSFtryMakePSF.c

@@ -220 +220 @@
     }
 
+    // weed out extreme e0 outliers here: find the median and exclude points not in the
+    // range MEDIAN / 5 < e0 < 5 * MEDIAN
+    { 
+      psStats *e0stats = psStatsAlloc (PS_STAT_SAMPLE_MEDIAN);
+      if (psVectorStats (e0stats, e0, NULL, srcMask, 0xff)) {
+        float e0med = e0stats->sampleMedian;
+    
+        for (int i = 0; i < sources->n; i++) {
+          // skip any masked sources (failed to fit one of the model steps or get a magnitude)
+          if (srcMask->data.PS_TYPE_VECTOR_MASK_DATA[i]) continue;
+
+          if (e0->data.F32[i] < 0.2*e0med) {
+            srcMask->data.PS_TYPE_VECTOR_MASK_DATA[i] = PSFTRY_MASK_OUTLIER;
+          }
+          if (e0->data.F32[i] > 5.0*e0med) {
+            srcMask->data.PS_TYPE_VECTOR_MASK_DATA[i] = PSFTRY_MASK_OUTLIER;
+          }
+        }
+      }
+      psFree (e0stats);
+    }
+
     // we run 'clipIter' cycles clipping in each of x and y, with only one iteration each.
     // This way, the parameters masked by one of the fits will be applied to the others