From 38af2e4de0e8c324f3192183fa5becd7d58171c3 Mon Sep 17 00:00:00 2001
From: Shengpeng YU <theysp@qq.com>
Date: Mon, 4 Jul 2022 14:30:04 +0800
Subject: [PATCH] BUG: Activate displaced detector padding in iterative FDK

Set displaced detector filter in iterative FDK reconstruction filter to true by default, to avoid dark hole in reconstructed image from displaced detector projections.
---
 include/rtkIterativeFDKConeBeamReconstructionFilter.hxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/rtkIterativeFDKConeBeamReconstructionFilter.hxx b/include/rtkIterativeFDKConeBeamReconstructionFilter.hxx
index 6124ccc33..6d335dc09 100644
--- a/include/rtkIterativeFDKConeBeamReconstructionFilter.hxx
+++ b/include/rtkIterativeFDKConeBeamReconstructionFilter.hxx
@@ -52,7 +52,7 @@ IterativeFDKConeBeamReconstructionFilter<TInputImage, TOutputImage, TFFTPrecisio
   m_DivideFilter = DivideFilterType::New();
 
   // Filter parameters
-  m_DisplacedDetectorFilter->SetPadOnTruncatedSide(false);
+  m_DisplacedDetectorFilter->SetPadOnTruncatedSide(true);
   m_DisableDisplacedDetectorFilter = false;
 }