/usr/share/octave/packages/image-2.2.0/private/ is in octave-image 2.2.0-3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/octave/packages/image-2.2.0/private/analyze75filename.m
/usr/share/octave/packages/image-2.2.0/private/handle_colorspec.m
/usr/share/octave/packages/image-2.2.0/private/im2col_check.m
/usr/share/octave/packages/image-2.2.0/private/im2float.m
/usr/share/octave/packages/image-2.2.0/private/imarithmetics.m
/usr/share/octave/packages/image-2.2.0/private/imconversion.m
/usr/share/octave/packages/image-2.2.0/private/interp_method.m
/usr/share/octave/packages/image-2.2.0/private/is_double_image.m
/usr/share/octave/packages/image-2.2.0/private/isimage.m
/usr/share/octave/packages/image-2.2.0/private/ispart.m
/usr/share/octave/packages/image-2.2.0/private/istform.m
/usr/share/octave/packages/image-2.2.0/private/make_conn.m
/usr/share/octave/packages/image-2.2.0/private/pad_for_sliding_filter.m
/usr/share/octave/packages/image-2.2.0/private/prepare_strel.m
/usr/share/octave/packages/image-2.2.0/private/ycbcrfunc.m