diff --git a/mlx90640/mlx90640_lcd_display.c b/mlx90640/mlx90640_lcd_display.c
index 9b93e50..f209acc 100644
--- a/mlx90640/mlx90640_lcd_display.c
+++ b/mlx90640/mlx90640_lcd_display.c
@@ -303,7 +303,7 @@ void blackOutFilter(void)
 
 				//simple edge finding  --begin
 				//if (((fabs(temp1 - temph1)> 0.3)) && (fabs(temp1 - tempv1)> 0.3))
-				if (((temp1 - temph1)> 0.2) && ((temp1 - tempv1)> 0.2))
+				if (((temp1 - temph1)> 0.3) && ((temp1 - tempv1)> 0.3))
 				//if (((temp1 > temph1)) && ((temp1 > tempv1)))
 				{	// vertical find and horizontal find
 					edgeMask[x+y*32]++;
diff --git a/mlx90640/mlx90640_user.c b/mlx90640/mlx90640_user.c
index 29b82bb..af31e6c 100644
--- a/mlx90640/mlx90640_user.c
+++ b/mlx90640/mlx90640_user.c
@@ -2,7 +2,7 @@
 #include "mlx90640_user.h"
 #include "sys_app.h"
 uint16_t frame[834];
-float emissivity=0.15f;  //0.95f
+float emissivity=0.95f;  //0.95f
 uint8_t mlx90640_init(uint8_t refresh_rate,paramsMLX90640 *mlx90640)
 {
     int status;