/usr/src/WrapITK/Modules/Denoising/ is in libinsighttoolkit3-dev 3.20.1+git20120521-5.
This file is owned by root:root, with mode 0o755.
..
/usr/src/WrapITK/Modules/Denoising/CMakeLists.txt
/usr/src/WrapITK/Modules/Denoising/wrap_itkAnisotropicDiffusionImageFilter.cmake
/usr/src/WrapITK/Modules/Denoising/wrap_itkBilateralImageFilter.cmake
/usr/src/WrapITK/Modules/Denoising/wrap_itkBinaryMedianImageFilter.cmake
/usr/src/WrapITK/Modules/Denoising/wrap_itkBinaryMinMaxCurvatureFlowImageFilter.cmake
/usr/src/WrapITK/Modules/Denoising/wrap_itkCurvatureAnisotropicDiffusionImageFilter.cmake
/usr/src/WrapITK/Modules/Denoising/wrap_itkCurvatureFlowImageFilter.cmake
/usr/src/WrapITK/Modules/Denoising/wrap_itkGradientAnisotropicDiffusionImageFilter.cmake
/usr/src/WrapITK/Modules/Denoising/wrap_itkMeanImageFilter.cmake
/usr/src/WrapITK/Modules/Denoising/wrap_itkMedianImageFilter.cmake
/usr/src/WrapITK/Modules/Denoising/wrap_itkMinMaxCurvatureFlowImageFilter.cmake
/usr/src/WrapITK/Modules/Denoising/wrap_itkVotingBinaryHoleFillingImageFilter.cmake
/usr/src/WrapITK/Modules/Denoising/wrap_itkVotingBinaryImageFilter.cmake
/usr/src/WrapITK/Modules/Denoising/wrap_itkVotingBinaryIterativeHoleFillingImageFilter.cmake