restoring correct -0.5 // frames_accum[nSeq][i] *=-0.5; // By Claude on

05/11/2026: restore pre-fix amplitude (window fix doubled it)

src/main/java/com/elphel/imagej/cuas/CuasMotion.java

@@ -2755,7 +2755,7 @@ public class CuasMotion {
 					// may be faster if process only where vector_field[nseq][ntile] is not null
 					for (int nSeq = ai.getAndIncrement(); nSeq < frames_accum.length; nSeq = ai.getAndIncrement()) {
 						for (int i = 0; i < frames_accum[nSeq].length; i++) {
-							frames_accum[nSeq][i] *=-0.625; // By Claude on 05/11/2026: restore pre-fix amplitude (window fix doubled it)
+							frames_accum[nSeq][i] *=-0.5; // By Claude on 05/11/2026: restore pre-fix amplitude (window fix doubled it)
 							if (zero_fill && Double.isNaN(frames_accum[nSeq][i])){
 								frames_accum[nSeq][i] = 0f;
 							}