Fig. 9 | Scientific Reports

Fig. 9

From: Multiscale characterization of micro fracture connectivity and gas migration in volcanic reservoirs using µCT and hybrid learning segmentation

Fig. 9

µm-scale 2D volcanic-rock sample annotation and training workflow: (a) and (c) show manual labeling for samples CS1 and W21, where red marks fractures and green marks pores and other matrix; (b) and (d) show the pore–fracture segmentation results after training the ensemble-learning model, with red indicating the segmented fractures.

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