Figure 2From: A new anisotropy index on trabecular bone radiographic images using the fast Fourier transformControl case a: ROI of the digitized radiographicimage of calcaneus trabecular bone. b: FFT spectrum A: corresponds to longitudinal trabeculae B: corresponds to transverse trabeculae DLI: Dispersion Longitudinal Index, spreading angle of the longitudinal trabeculae DTI: Dispersion Transverse Index, spreading angle of the transverse trabeculaeBack to article page