Changeset 32170

Timestamp:

Aug 23, 2011, 12:03:26 AM (15 years ago)

Author:

mhuber

Message:

switch sum of kernels->mean to kernels->rms for PSF matching image rejection in convolved stacking, also ensure RMS is positive

Location:

trunk/ppStack/src

Files:

• ppStackConvolve.c (modified) (1 diff)
• ppStackMatch.c (modified) (1 diff)

trunk/ppStack/src/ppStackConvolve.c

@@ -377 +377 @@
             0.5 * (values->data.F32[numGood / 2 - 1] + values->data.F32[numGood / 2]);
 
-        float rms = 0.74 * (values->data.F32[numGood * 3 / 4] -
+        // EAM/MEH ensure RMS is positive
+        float rms = 0.74 * fabsf(values->data.F32[numGood * 3 / 4] -
                             values->data.F32[numGood / 4]); // Estimated RMS from interquartile range
         psFree(values);

trunk/ppStack/src/ppStackMatch.c

@@ -441 +441 @@
                 assert(item->type == PS_DATA_UNKNOWN);
                 pmSubtractionKernels *kernels = item->data.V; // Convolution kernels
-                sum += kernels->mean;
+                // EAM/MEH sum the RMS instead of the mean now  
+                sum += kernels->rms;
                 num++;
             }