/usr/include/mia-2.2/mia/2d/ is in libmia-2.2-dev 2.2.7-3.
This file is owned by root:root, with mode 0o755.
..
/usr/include/mia-2.2/mia/2d/angle.hh
/usr/include/mia-2.2/mia/2d/boundingbox.hh
/usr/include/mia-2.2/mia/2d/correlation_weight.hh
/usr/include/mia-2.2/mia/2d/cost.hh
/usr/include/mia-2.2/mia/2d/creator.hh
/usr/include/mia-2.2/mia/2d/cstkernel.hh
/usr/include/mia-2.2/mia/2d/datafield.cxx
/usr/include/mia-2.2/mia/2d/datafield.hh
/usr/include/mia-2.2/mia/2d/defines2d.hh
/usr/include/mia-2.2/mia/2d/deformer.hh
/usr/include/mia-2.2/mia/2d/distance.hh
/usr/include/mia-2.2/mia/2d/fftkernel.hh
/usr/include/mia-2.2/mia/2d/filter.hh
/usr/include/mia-2.2/mia/2d/filterchain.hh
/usr/include/mia-2.2/mia/2d/fullcost.hh
/usr/include/mia-2.2/mia/2d/fuzzyclustersolver_cg.hh
/usr/include/mia-2.2/mia/2d/fuzzyclustersolver_sor.hh
/usr/include/mia-2.2/mia/2d/fuzzyseg.hh
/usr/include/mia-2.2/mia/2d/ground_truth_evaluator.hh
/usr/include/mia-2.2/mia/2d/groundtruthproblem.hh
/usr/include/mia-2.2/mia/2d/ica.hh
/usr/include/mia-2.2/mia/2d/image.hh
/usr/include/mia-2.2/mia/2d/imageio.hh
/usr/include/mia-2.2/mia/2d/imageiotest.hh
/usr/include/mia-2.2/mia/2d/interpolator.cxx
/usr/include/mia-2.2/mia/2d/interpolator.hh
/usr/include/mia-2.2/mia/2d/iterator.cxx
/usr/include/mia-2.2/mia/2d/iterator.hh
/usr/include/mia-2.2/mia/2d/maskedcost.hh
/usr/include/mia-2.2/mia/2d/matrix.hh
/usr/include/mia-2.2/mia/2d/model.hh
/usr/include/mia-2.2/mia/2d/morphshape.hh
/usr/include/mia-2.2/mia/2d/multicost.hh
/usr/include/mia-2.2/mia/2d/nfg.hh
/usr/include/mia-2.2/mia/2d/nonrigidregister.hh
/usr/include/mia-2.2/mia/2d/perfusion.hh
/usr/include/mia-2.2/mia/2d/polygon.hh
/usr/include/mia-2.2/mia/2d/ppmatrix.hh
/usr/include/mia-2.2/mia/2d/rgbimageio.hh
/usr/include/mia-2.2/mia/2d/rigidregister.hh
/usr/include/mia-2.2/mia/2d/segframe.hh
/usr/include/mia-2.2/mia/2d/segpoint.hh
/usr/include/mia-2.2/mia/2d/segsection.hh
/usr/include/mia-2.2/mia/2d/segset.hh
/usr/include/mia-2.2/mia/2d/segsetwithimages.hh
/usr/include/mia-2.2/mia/2d/segstar.hh
/usr/include/mia-2.2/mia/2d/shape.hh
/usr/include/mia-2.2/mia/2d/similarity_profile.hh
/usr/include/mia-2.2/mia/2d/sparse_image_solver.hh
/usr/include/mia-2.2/mia/2d/splinetransformpenalty.hh
/usr/include/mia-2.2/mia/2d/timestep.hh
/usr/include/mia-2.2/mia/2d/trackpoint.hh
/usr/include/mia-2.2/mia/2d/trait.hh
/usr/include/mia-2.2/mia/2d/transform.hh
/usr/include/mia-2.2/mia/2d/transformfactory.hh
/usr/include/mia-2.2/mia/2d/transformio.hh
/usr/include/mia-2.2/mia/2d/transformmock.hh
/usr/include/mia-2.2/mia/2d/vector.hh
/usr/include/mia-2.2/mia/2d/vectorfield.hh
/usr/include/mia-2.2/mia/2d/vfio.hh