diff --git a/meshroom/nodes/aliceVision/FeatureExtraction.py b/meshroom/nodes/aliceVision/FeatureExtraction.py
index 6dd48783..5bb38e06 100644
--- a/meshroom/nodes/aliceVision/FeatureExtraction.py
+++ b/meshroom/nodes/aliceVision/FeatureExtraction.py
@@ -38,6 +38,13 @@ It is robust to motion-blur, depth-of-field, occlusion. Be careful to have enoug
             value='',
             uid=[0],
         ),
+        desc.File(
+            name='masksFolder',
+            label='Masks Folder',
+            description='Use masks to filter features. Filename should be the same or the image uid.',
+            value='',
+            uid=[0],
+        ),
         desc.ChoiceParam(
             name='describerTypes',
             label='Describer Types',
diff --git a/meshroom/nodes/aliceVision/ImageMasking.py b/meshroom/nodes/aliceVision/ImageMasking.py
index bdd2891c..457016e9 100644
--- a/meshroom/nodes/aliceVision/ImageMasking.py
+++ b/meshroom/nodes/aliceVision/ImageMasking.py
@@ -17,15 +17,6 @@ class ImageMasking(desc.CommandLineNode):
             value='',
             uid=[0],
         ),
-        #desc.GroupAttribute(
-        #    name="colour",
-        #    label="Keyed Colour",
-        #    description="",
-        #    groupDesc=[
-        #        desc.FloatParam(name="r", label="r", description="", value=0, uid=[0], range=(0, 1, 0.01)),
-        #        desc.FloatParam(name="g", label="g", description="", value=0, uid=[0], range=(0, 1, 0.01)),
-        #        desc.FloatParam(name="b", label="b", description="", value=0, uid=[0], range=(0, 1, 0.01)),
-        #    ]),
         desc.ChoiceParam(
             name='algorithm',
             label='Algorithm',
@@ -35,20 +26,83 @@ class ImageMasking(desc.CommandLineNode):
             exclusive=True,
             uid=[0],
         ),
-        desc.FloatParam(
-            name='hue',
-            label='Hue',
-            description='Hue value to isolate in [0,1] range. 0 = red, 0.33 = green, 0.66 = blue, 1 = red.',
-            value=0.33,
-            range=(0, 1, 0.01),
+        desc.GroupAttribute(
+            name="hsv",
+            label="HSV Parameters",
+            description="",
+            formatter=desc.GroupAttribute.prefixFormatter,
+            joinChar='-',
+            groupDesc=[
+            desc.FloatParam(
+                name='hue',
+                label='Hue',
+                description='Hue value to isolate in [0,1] range. 0 = red, 0.33 = green, 0.66 = blue, 1 = red.',
+                value=0.33,
+                range=(0, 1, 0.01),
+                uid=[0]
+            ),
+            desc.FloatParam(
+                name='hueRange',
+                label='Tolerance',
+                description='Tolerance around the hue value to isolate.',
+                value=0.1,
+                range=(0, 1, 0.01),
+                uid=[0]
+            ),
+            desc.FloatParam(
+                name='minSaturation',
+                label='Min Saturation',
+                description='Hue is meaningless if saturation is low. Do not mask pixels below this threshold.',
+                value=0.3,
+                range=(0, 1, 0.01),
+                uid=[0]
+            ),
+            desc.FloatParam(
+                name='maxSaturation',
+                label='Max Saturation',
+                description='Do not mask pixels above this threshold. It might be useful to mask white/black pixels.',
+                value=1,
+                range=(0, 1, 0.01),
+                uid=[0]
+            ),
+            desc.FloatParam(
+                name='minValue',
+                label='Min Value',
+                description='Hue is meaningless if value is low. Do not mask pixels below this threshold.',
+                value=0.3,
+                range=(0, 1, 0.01),
+                uid=[0]
+            ),
+            desc.FloatParam(
+                name='maxValue',
+                label='Max Value',
+                description='Do not mask pixels above this threshold. It might be useful to mask white/black pixels.',
+                value=1,
+                range=(0, 1, 0.01),
+                uid=[0]
+            ),
+        ]),
+        desc.BoolParam(
+            name='invert',
+            label='Invert',
+            description='Invert the selected area.',
+            value=False,
             uid=[0]
         ),
-        desc.FloatParam(
-            name='hueRange',
-            label='Tolerance',
-            description='Tolerance around the hue value to isolate.',
-            value=0.1,
-            range=(0, 1, 0.01),
+        desc.IntParam(
+            name='growRadius',
+            label='Grow Radius',
+            description='Grow the selected area. It might be used to fill the holes: then use shrinkRadius to restore the initial coutours.',
+            value=0,
+            range=(0, 50, 1),
+            uid=[0]
+        ),
+        desc.IntParam(
+            name='shrinkRadius',
+            label='Shrink Radius',
+            description='Shrink the selected area.',
+            value=0,
+            range=(0, 50, 1),
             uid=[0]
         ),
         desc.ChoiceParam(
diff --git a/meshroom/nodes/aliceVision/PrepareDenseScene.py b/meshroom/nodes/aliceVision/PrepareDenseScene.py
index ac2fd0ec..31d0ecf1 100644
--- a/meshroom/nodes/aliceVision/PrepareDenseScene.py
+++ b/meshroom/nodes/aliceVision/PrepareDenseScene.py
@@ -34,6 +34,18 @@ This node export undistorted images so the depth map and texturing can be comput
             label="Images Folders",
             description='Use images from specific folder(s). Filename should be the same or the image uid.',
         ),
+        desc.ListAttribute(
+            elementDesc=desc.File(
+                name="masksFolder",
+                label="Masks Folder",
+                description="",
+                value="",
+                uid=[0],
+            ),
+            name="masksFolders",
+            label="Masks Folders",
+            description='Use masks from specific folder(s). Filename should be the same or the image uid.',
+        ),
         desc.ChoiceParam(
             name='outputFileType',
             label='Output File Type',