diff --git a/meshroom/nodes/aliceVision/MeshDecimate.py b/meshroom/nodes/aliceVision/MeshDecimate.py
new file mode 100644
index 00000000..2bee6211
--- /dev/null
+++ b/meshroom/nodes/aliceVision/MeshDecimate.py
@@ -0,0 +1,67 @@
+from meshroom.core import desc
+
+class MeshDecimate(desc.CommandLineNode):
+    internalFolder = '{cache}/{nodeType}/{uid0}/'
+    commandLine = 'aliceVision_meshDecimate {allParams}'
+
+    cpu = desc.Level.NORMAL
+    ram = desc.Level.NORMAL
+
+    inputs = [
+        desc.File(
+            name="input",
+            label='Input Mesh (OBJ file format).',
+            description='',
+            value='',
+            uid=[0],
+            ),
+        desc.FloatParam(
+            name='simplificationFactor',
+            label='Simplification factor',
+            description='Simplification factor',
+            value=0.5,
+            range=(0.0, 1.0, 0.01),
+            uid=[0],
+        ),
+        desc.IntParam(
+            name='nbVertices',
+            label='Fixed Number of Vertices',
+            description='Fixed number of output vertices.',
+            value=0,
+            range=(0, 1000000, 1),
+            uid=[0],
+        ),
+        desc.IntParam(
+            name='minVertices',
+            label='Min Vertices',
+            description='Min number of output vertices.',
+            value=0,
+            range=(0, 1000000, 1),
+            uid=[0],
+        ),
+        desc.IntParam(
+            name='maxVertices',
+            label='Max Vertices',
+            description='Max number of output vertices.',
+            value=0,
+            range=(0, 1000000, 1),
+            uid=[0],
+        ),
+        desc.BoolParam(
+            name='flipNormals',
+            label='Flip Normals',
+            description='''Option to flip face normals. It can be needed as it depends on the vertices order in triangles and the convention change from one software to another.''',
+            value=False,
+            uid=[0],
+        ),
+    ]
+
+    outputs = [
+        desc.File(
+            name="output",
+            label="Output mesh",
+            description="Output mesh (OBJ file format).",
+            value='{cache}/{nodeType}/{uid0}/mesh.obj',
+            uid=[],
+            ),
+    ]
diff --git a/meshroom/nodes/aliceVision/MeshDenoising.py b/meshroom/nodes/aliceVision/MeshDenoising.py
new file mode 100644
index 00000000..4dc14f00
--- /dev/null
+++ b/meshroom/nodes/aliceVision/MeshDenoising.py
@@ -0,0 +1,84 @@
+import sys
+from meshroom.core import desc
+
+
+class MeshDenoising(desc.CommandLineNode):
+    internalFolder = '{cache}/{nodeType}/{uid0}/'
+    commandLine = 'aliceVision_meshDenoising {allParams}'
+
+    inputs = [
+        desc.File(
+            name='input',
+            label='Input',
+            description='''Input Mesh (OBJ file format).''',
+            value='',
+            uid=[0],
+            ),
+        desc.IntParam(
+            name='denoisingIterations',
+            label='Denoising Iterations',
+            description='''Number of denoising iterations.''',
+            value=5,
+            range=(0, 30, 1),
+            uid=[0],
+            ),
+        desc.FloatParam(
+            name='meshUpdateClosenessWeight',
+            label='Mesh Update Closeness Weight',
+            description='''Closeness weight for mesh update, must be positive.''',
+            value=0.001,
+            range=(0.0, 0.1, 0.001),
+            uid=[0],
+            ),
+        desc.FloatParam(
+            name='lambda',
+            label='Lambda',
+            description='''Regularization weight.''',
+            value=2.0,
+            range=(0.0, 10.0, 1.0),
+            uid=[0],
+            ),
+        desc.FloatParam(
+            name='eta',
+            label='Eta',
+            description='''Gaussian standard deviation for spatial weight, scaled by the average distance between adjacent face cetroids. Must be positive.''',
+            value=1.5,
+            range=(0.0, 20.0, 0.01),
+            uid=[0],
+            ),
+        desc.FloatParam(
+            name='mu',
+            label='Mu',
+            description='''Gaussian standard deviation for guidance weight.''',
+            value=1.5,
+            range=(0.0, 10.0, 0.01),
+            uid=[0],
+            ),
+        desc.FloatParam(
+            name='nu',
+            label='Nu',
+            description='''Gaussian standard deviation for signal weight.''',
+            value=0.3,
+            range=(0.0, 5.0, 0.01),
+            uid=[0],
+            ),
+        desc.ChoiceParam(
+            name='meshUpdateMethod',
+            label='Mesh Update Method',
+            description='Mesh Update Method: * ITERATIVE_UPDATE(SDFilter::MeshFilter Parameters::ITERATIVE_UPDATE) (default): ShapeUp styled iterative solver * POISSON_UPDATE(SDFilter::MeshFilterPa rameters::POISSON_UPDATE): Poisson-based update from [Want et al. 2015]',
+            value=0,
+            values=(0, 1),
+            exclusive=True,
+            uid=[0],
+        ),
+    ]
+
+    outputs = [
+        desc.File(
+            name='output',
+            label='Output',
+            description='''Output mesh (OBJ file format).''',
+            value='{cache}/{nodeType}/{uid0}/mesh.obj',
+            uid=[],
+            ),
+    ]