diff --git a/CHANGELOG b/CHANGELOG
index a2af735..9353dec 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,6 @@
+0.12.2
+ - enh: feature computation for area_um_raw, deform_raw, per_ratio,
+   and per_um_raw
 0.12.1
  - fix: avoid NaN-valued features due to invalid contours (#9)
 0.12.0
diff --git a/dcnum/feat/feat_moments/mt_legacy.py b/dcnum/feat/feat_moments/mt_legacy.py
index 614f90f..1f15913 100644
--- a/dcnum/feat/feat_moments/mt_legacy.py
+++ b/dcnum/feat/feat_moments/mt_legacy.py
@@ -13,25 +13,26 @@ def moments_based_features(mask, pixel_size):
     empty = np.full(size, np.nan, dtype=np.float64)
 
     # features from raw contour
-    size_x = np.copy(empty)
-    size_y = np.copy(empty)
-    aspect = np.copy(empty)
     area_msd = np.copy(empty)
+    area_ratio = np.copy(empty)
     area_um_raw = np.copy(empty)
-    per_um_raw = np.copy(empty)
+    aspect = np.copy(empty)
     deform_raw = np.copy(empty)
-    area_ratio = np.copy(empty)
-    per_ratio = np.copy(empty)
-    inert_ratio_raw = np.copy(empty)
     inert_ratio_prnc = np.copy(empty)
+    inert_ratio_raw = np.copy(empty)
+    per_ratio = np.copy(empty)
+    per_um_raw = np.copy(empty)
+    size_x = np.copy(empty)
+    size_y = np.copy(empty)
     tilt = np.copy(empty)
 
     # features from convex hull
-    pos_x = np.copy(empty)
-    pos_y = np.copy(empty)
     area_um = np.copy(empty)
     deform = np.copy(empty)
     inert_ratio_cvx = np.copy(empty)
+    pos_x = np.copy(empty)
+    pos_y = np.copy(empty)
+
     # The following valid-array is not a real feature, but only
     # used to figure out which events need to be removed due
     # to invalid computed features, often due to invalid contours.
@@ -48,7 +49,6 @@ def moments_based_features(mask, pixel_size):
         mu_raw = cv2.moments(cont_raw)
         arc_raw = np.float64(cv2.arcLength(cont_raw, True))
         area_raw = np.float64(mu_raw["m00"])
-        event_mask = mask[ii]
 
         # convex hull
         cont_cvx = np.squeeze(cv2.convexHull(cont_raw))