diff --git a/config/ddjx01.json b/config/ddjx01.json
index 55118af..dfcf2f8 100644
--- a/config/ddjx01.json
+++ b/config/ddjx01.json
@@ -27,16 +27,16 @@
     "loop_closure_interval": 1,
     "algorithm": "dis",
     "dis_preset": "medium",
-    "dis_mode": 3,
+    "dis_mode": 1,
     "algorithm_list": ["raft", "dis"]
   },
   "contact": {
     "min_contour_area": 3000,
-    "flow_threshold":1,
-    "div_threshold":0.02,
+    "flow_threshold":5,
+    "div_threshold":0.05,
     "expansion_threshold": 0.01,
     "kernel_size": [5,5],
-    "denoise_sigma": 15
+    "denoise_sigma": 12
   }
 }
 
diff --git a/src/orisys/tracker.py b/src/orisys/tracker.py
index 82475cb..b6db0f0 100644
--- a/src/orisys/tracker.py
+++ b/src/orisys/tracker.py
@@ -62,8 +62,10 @@ class Tracker:
             self.__tracking_inst.setFinestScale(config_tracker["dis_mode"])      # Skip finest pyramid level (2x faster)
             # self.__tracking_inst.setUseSpatialPropagation(False)
             # self.__tracking_inst.setUseMeanNormalization(False)
-            # self.__tracking_inst.setPatchSize(4) # 8
-            # self.__tracking_inst.setPatchStride(2) # 3
+            # self.__tracking_inst.setGradientDescentIterations(16) #16
+            self.__tracking_inst.setPatchSize(8) # 8
+            self.__tracking_inst.setPatchStride(1) # 3
+            # self.__tracking_inst.setVariationalRefinementIterations(5)#5
 
             # else:
             #     # CUDA flow method with stream support