Memory allocation

[Yubh8n]

When i start my apriltag script the following allocates around 5 gb of ram, why is that?

self.outer_at_detector = Detector(families='tagCustom48h12',
nthreads=1,
quad_decimate=1.0,
quad_sigma=0.0,
refine_edges=1,
decode_sharpening=0.25,
debug=0)

I'm quite limited in regards to memory allocation, so this is not that feasible for me.

Kind regards.