Biomedical Engineering Reference
In-Depth Information
Figure 1.25:
Typical concentric 2D scatterer distribution for the most impor-
tant simulated arterial structures (blood, intima, media, and adventitia) and the
scatterer artefact generated by the transducer sheath.
a function of the cross-section of scatterers. The numerical values are given in
Table 1.3 [27].
1.6.3 IVUS Image Features
1.6.3.1 Spatial Resolution
A good spatial resolution gives the possibility of improving the visualization
of the lumen/intima transition and studying the structures, which gives impor-
tant information for medical doctors. Typical numerical parameters such as
scatterers number N
k
,
k
-layer average radial position
R
k
, its standard devia-
tion
η
k
, the DBC
k
-layer mean
µ
k
, and its standard deviation
σ
k
are given in
Table 1.3. The typical IVUS parameters used in this simulation are given in
