Results of stability analysis for VTA- and tensor scale-based TB measures and SMI across different voxel sizes. (a) Observed values of the surface-width measure PWVTA at different voxel sizes generated by down-sampling μ-CT images. The distribution of observed values for an individual specimen is assigned a unique color. (b)–(f) Same as (a) but for PWTS, PRRVTA, PRRTS, tBMDTS, and SMI measures, respectively.