I've tried "inkscape input.png --actions="select-all;trace-centerline:filter-iterations=4,error-threshold=2.0,speckle-suppression=594,smooth-corners=0.48,optimize=0.200;export-do" --export-filename=vector_output.svg" and I still got a svg file with aΒ only image
I've tried "inkscape input.png --actions="select-all;trace-centerline:filter-iterations=4,error-threshold=2.0,speckle-suppression=594,smooth-corners=0.48,optimize=0.200;export-do" --export-filename=vector_output.svg" and I still got a svg file with aΒ only image