Table 2.

Running time statistics of the different models over the selected full S2 product (10,980 $\times$ 10,980 pixels).

Model	Compression ratio	Inference time (s)	Vectorisation time (s)	Total time (s)
U-Net	9379.4	2421.7	17.3	2439.0
SCNN	9321.3	1643.7	17.4	1661.1
Linear	4874.0	1067.1	24.1	1091.2
MNDWI	2417.8	492.9	44.2	537.0
NDWI	1824.7	488.6	59.4	547.9
Linear (onboard)	4886.1	894.7	18.2	912.9

Models tested on UNIBAP SpaceCloud ‘flatsat’ except last row which was run onboard the satellite and whose results where downlinked to the ground.