diff --git a/yaml/processor_visual_odometry.yaml b/yaml/processor_visual_odometry.yaml
index 1210deb11dd7a0289707c694f6234834ecedaf79..bdf71ab0f0dcaa1caad8511416dd22a066988bbf 100644
--- a/yaml/processor_visual_odometry.yaml
+++ b/yaml/processor_visual_odometry.yaml
@@ -21,9 +21,9 @@ max_new_features: 30
 #   2: histogram_equalization
 #   3: CLAHE = Contrast Limited Adaptive Histogram Equalization, 1-1.5 ms overhead
 equalization_params:
-    method: 3
+    method: 1
     average:
-        median: 127
+        median: 127 # half of 8 bits = 255/2 = 127.5 --> to integer
     histogram:
     clahe:
         clip_limit: 2