Table 1 DA assessment on synthetic images composed of cylinders more or less aligned following two directions leading to isotropic and anisotropic structures.
From: A new anisotropy index on trabecular bone radiographic images using the fast Fourier transform
Synthetic images | ||||||
|---|---|---|---|---|---|---|
Angles | 0–80° | 0–69° | 0–52° | 0–40° | 0–28° | 0–17° |
DA | 1.3 | 1.3 | 1.8 | 1.9 | 2.5 | 3.8 |