Fig. 2

Scout view (a) and determination of the scanning area within two reference lines (b). 2D axial μCT (c) grey value image of original cortical bone, callus and air/bone marrow and (d) corresponding full automatically segmented image (callus = red); 3D coronar μCT half-sliced (e) and overview image (f) (Two Thresholding Procedure, callus blue and semitransparent and cortical bone grey)