/usr/include/vxl/contrib/bsta/ is in libvxl1-dev 1.14.0-14.
This file is owned by root:root, with mode 0o755.
..
/usr/include/vxl/contrib/bsta/bsta_attributes.h
/usr/include/vxl/contrib/bsta/bsta_basic_functors.h
/usr/include/vxl/contrib/bsta/bsta_beta.h
/usr/include/vxl/contrib/bsta/bsta_beta.txx
/usr/include/vxl/contrib/bsta/bsta_beta_f1.h
/usr/include/vxl/contrib/bsta/bsta_detector_gaussian.h
/usr/include/vxl/contrib/bsta/bsta_detector_mixture.h
/usr/include/vxl/contrib/bsta/bsta_distribution.h
/usr/include/vxl/contrib/bsta/bsta_gauss.h
/usr/include/vxl/contrib/bsta/bsta_gauss_f1.h
/usr/include/vxl/contrib/bsta/bsta_gauss_f2.h
/usr/include/vxl/contrib/bsta/bsta_gauss_fd3.h
/usr/include/vxl/contrib/bsta/bsta_gauss_ff3.h
/usr/include/vxl/contrib/bsta/bsta_gauss_id3.h
/usr/include/vxl/contrib/bsta/bsta_gauss_if3.h
/usr/include/vxl/contrib/bsta/bsta_gauss_sd3.h
/usr/include/vxl/contrib/bsta/bsta_gauss_sf2.h
/usr/include/vxl/contrib/bsta/bsta_gauss_sf3.h
/usr/include/vxl/contrib/bsta/bsta_gaussian.h
/usr/include/vxl/contrib/bsta/bsta_gaussian_full.h
/usr/include/vxl/contrib/bsta/bsta_gaussian_full.txx
/usr/include/vxl/contrib/bsta/bsta_gaussian_indep.h
/usr/include/vxl/contrib/bsta/bsta_gaussian_indep.txx
/usr/include/vxl/contrib/bsta/bsta_gaussian_sphere.h
/usr/include/vxl/contrib/bsta/bsta_gaussian_sphere.txx
/usr/include/vxl/contrib/bsta/bsta_histogram.h
/usr/include/vxl/contrib/bsta/bsta_histogram.txx
/usr/include/vxl/contrib/bsta/bsta_histogram_base.h
/usr/include/vxl/contrib/bsta/bsta_histogram_sptr.h
/usr/include/vxl/contrib/bsta/bsta_int_histogram_1d.h
/usr/include/vxl/contrib/bsta/bsta_int_histogram_2d.h
/usr/include/vxl/contrib/bsta/bsta_joint_histogram.h
/usr/include/vxl/contrib/bsta/bsta_joint_histogram.txx
/usr/include/vxl/contrib/bsta/bsta_joint_histogram_base.h
/usr/include/vxl/contrib/bsta/bsta_joint_histogram_sptr.h
/usr/include/vxl/contrib/bsta/bsta_k_medoid.h
/usr/include/vxl/contrib/bsta/bsta_kent.h
/usr/include/vxl/contrib/bsta/bsta_kent.txx
/usr/include/vxl/contrib/bsta/bsta_mixture.h
/usr/include/vxl/contrib/bsta/bsta_mixture_fixed.h
/usr/include/vxl/contrib/bsta/bsta_otsu_threshold.h
/usr/include/vxl/contrib/bsta/bsta_otsu_threshold.txx
/usr/include/vxl/contrib/bsta/bsta_parzen_sf1.h
/usr/include/vxl/contrib/bsta/bsta_parzen_sf3.h
/usr/include/vxl/contrib/bsta/bsta_parzen_sphere.h
/usr/include/vxl/contrib/bsta/bsta_parzen_sphere.txx
/usr/include/vxl/contrib/bsta/bsta_sampler.h
/usr/include/vxl/contrib/bsta/bsta_sampler.txx
/usr/include/vxl/contrib/bsta/bsta_von_mises.h
/usr/include/vxl/contrib/bsta/bsta_weibull.h
/usr/include/vxl/contrib/bsta/bsta_weibull.txx