Changeset 26590

Timestamp:

Jan 13, 2010, 5:26:17 PM (16 years ago)

Author:

Paul Price

Message:

Use RMS instead of MAX for scaling odd functions.

File:

• branches/eam_branches/20091201/psModules/src/imcombine/pmSubtractionKernels.c (modified) (2 diffs)

branches/eam_branches/20091201/psModules/src/imcombine/pmSubtractionKernels.c

@@ -211 +211 @@
             // Odd functions: choose normalisation so that parameters have about the same strength as for even
             // functions, no subtraction of null pixel because the sum is already (near) zero
-            scale2D = 1.0 / max;
+            scale2D = 1.0 / sqrt(sum2);
             zeroNull = false;
         }
@@ -226 +226 @@
     if (!forceZeroNull && ((uOrder % 2) || (vOrder % 2))) {
         // Odd function
-        scale2D = 1.0 / max;
+        scale2D = 1.0 / sqrt(sum2);
     }