pub fn try_init_camera(
frame_feature0: &FrameFeature,
frame_feature1: &FrameFeature,
fixed_focal: Option<f64>,
) -> Option<GenericModel<f64>>
pub fn try_init_camera(
frame_feature0: &FrameFeature,
frame_feature1: &FrameFeature,
fixed_focal: Option<f64>,
) -> Option<GenericModel<f64>>