diff --git a/batch_run/dispatcher.py b/batch_run/dispatcher.py
index bce7ff9..7c4570b 100644
--- a/batch_run/dispatcher.py
+++ b/batch_run/dispatcher.py
@@ -35,7 +35,7 @@
         "overwrite_config": True,
         "update_project_paths": True,
         "initialize_visualization": False,
-        "use_GPU": False,
+        "use_GPU": True,
         "random_seed": 0,
         "verbose": 2,
     },
@@ -84,16 +84,16 @@
         },
     },
     "PointTracker": {
-        "contiguous": False,
+        "contiguous": True,
         "params_optical_flow": {
             "method": "lucas_kanade",
-            "mesh_rigidity": 0.025,
-            "mesh_n_neighbors": 8,
+            "mesh_rigidity": 0.045,
+            "mesh_n_neighbors": 12,
             "relaxation": 0.0015,
             "kwargs_method": {
                 "winSize": [
-                    20,
-                    20,
+                    25,
+                    25,
                 ],
                 "maxLevel": 2,
                 "criteria": [
@@ -110,19 +110,19 @@
         },
         "params_outlier_handling": {
             "threshold_displacement": 150,
-            "framesHalted_before": 10,
-            "framesHalted_after": 10,
+            "framesHalted_before": 40,
+            "framesHalted_after": 40,
         },
         "verbose": 2,
     },
     "VQT_Analyzer": {
         "params_VQT": {
-            "Q_lowF": 4,
-            "Q_highF": 10,
+            "Q_lowF": 3,
+            "Q_highF": 5,
             "F_min": 1.0,
             "F_max": 60,
             "n_freq_bins": 36,
-            "win_size": 501,
+            "win_size": 701,
             "symmetry": 'left',
             "taper_asymmetric": True,
             "plot_pref": False,
@@ -163,7 +163,7 @@
         "fit": {
             "method": "CP_NN_HALS",
             "params_method": {
-                "rank": 12,
+                "rank": 10,
                 "n_iter_max": 200,
                 "init": "random",
                 "svd": "truncated_svd",
@@ -241,12 +241,12 @@
 #SBATCH --job-name={name_slurm}
 #SBATCH --output={path}
 #SBATCH --constraint=intel
-#SBATCH --gres=gpu:1,vram:23G
-#SBATCH --partition=gpu_requeue
-#SBATCH -c 4
+#SBATCH --partition=gpu_quad
+#SBATCH --gres=gpu:1,vram:31G
+#SBATCH -c 8
 #SBATCH -n 1
-#SBATCH --mem=36GB
-#SBATCH --time=0-0:30:00
+#SBATCH --mem=48GB
+#SBATCH --time=0-7:30:00
 
 unset XDG_RUNTIME_DIR
 
diff --git a/face_rhythm/__init__.py b/face_rhythm/__init__.py
index aa60cf1..e0406b1 100644
--- a/face_rhythm/__init__.py
+++ b/face_rhythm/__init__.py
@@ -22,8 +22,8 @@
 
 
 ## Prepare cv2.imshow
-import pkg_resources
-installed_packages = {pkg.key for pkg in pkg_resources.working_set}
+import importlib.metadata
+installed_packages = {dist.metadata['Name'] for dist in importlib.metadata.distributions()}
 has_cv2_headless = 'opencv-contrib-python-headless' in installed_packages
 has_cv2_normal = 'opencv-contrib-python' in installed_packages
 if has_cv2_normal and not has_cv2_headless:
@@ -66,4 +66,4 @@ def prepare_cv2_imshow():
     exec('from . import ' + pkg)
 
 
-__version__ = '0.2.4'
\ No newline at end of file
+__version__ = '0.2.5'
\ No newline at end of file
diff --git a/face_rhythm/spectral_analysis.py b/face_rhythm/spectral_analysis.py
index cf09457..a47fda7 100644
--- a/face_rhythm/spectral_analysis.py
+++ b/face_rhythm/spectral_analysis.py
@@ -14,6 +14,20 @@ class VQT_Analyzer(FR_Module):
      displacement traces. The spectrograms are generated using
      the Variable Q-Transform (VQT) algorithm.
     RH 2022
+
+    Args:
+        params_VQT (dict):
+            A dictionary of parameters to pass to the VQT class (Variable
+            Q-Transform) in helpers.py.
+        normalization_factor (float):
+            A float between 0 and 1 to normalize the spectrograms. 0 means no
+            normalization. 1 means every time point has the same power.
+        spectrogram_exponent (float):
+            A float to raise the spectrogram to before normalizing.
+        one_over_f_exponent (float):
+            A float to raise the frequency axis to before doing 1/f correction.
+        verbose (int):
+            An integer to control the verbosity of the class.
     """
     def __init__(
         self,