diff --git a/meshroom/nodes/aliceVision/LdrToHdrSampling.py b/meshroom/nodes/aliceVision/LdrToHdrSampling.py
index a68538f3..7222308e 100644
--- a/meshroom/nodes/aliceVision/LdrToHdrSampling.py
+++ b/meshroom/nodes/aliceVision/LdrToHdrSampling.py
@@ -92,6 +92,33 @@ class LdrToHdrSampling(desc.CommandLineNode):
             uid=[0],
             advanced=True,
         ),
+        desc.IntParam(
+            name='blockSize',
+            label='Block Size',
+            description='Size of the image tile to extract a sample.',
+            value=256,
+            range=(8, 1024, 1),
+            uid=[0],
+            advanced=True,
+        ),
+        desc.IntParam(
+            name='radius',
+            label='Patch Radius',
+            description='Radius of the patch used to analyze the sample statistics.',
+            value=5,
+            range=(0, 10, 1),
+            uid=[0],
+            advanced=True,
+        ),
+        desc.IntParam(
+            name='maxCountSample',
+            label='Max Number of Samples',
+            description='Max number of samples per image group.',
+            value=200,
+            range=(10, 1000, 10),
+            uid=[0],
+            advanced=True,
+        ),
         desc.ChoiceParam(
             name='verboseLevel',
             label='Verbose Level',