pub fn calib_camera(
frame_feature_list: &[Option<FrameFeature>],
generic_camera: &GenericModel<f64>,
xy_same_focal: bool,
disabled_distortions: usize,
fixed_focal: bool,
) -> Option<(GenericModel<f64>, HashMap<usize, RvecTvec>)>
pub fn calib_camera(
frame_feature_list: &[Option<FrameFeature>],
generic_camera: &GenericModel<f64>,
xy_same_focal: bool,
disabled_distortions: usize,
fixed_focal: bool,
) -> Option<(GenericModel<f64>, HashMap<usize, RvecTvec>)>