| 摘要 |
<p>Bone health assessment using spatial-frequency analysis for assessing the health of trabecular bone by acquiring k- space data for the relevant spatial frequencies and direction vectors indicative of bone health. This does not require that the k-space data be taken with the bone held motionless for the duration of the analysis. The preferred method of acquiring this data is to use a magnetic resonance device with the ability to measure k-space values for the appropriate spatial frequencies and direction vectors, a requirement which greatly reduces the required complexity and cost of the device over conventional MRI equipment. Magnetic resonance is particularly well suited to this, as bone gives very low signal and marrow (which fills the spaces between the lattice of trabecular bone) gives high signals hence providing good contrast. Various exemplary data acquisition and analysis techniques are disclosed.</p> |
