Chapter 15: Preferences
5495975-1EN Rev.9 15-57
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Strength
The STRENGTH parameter affects the grayness of a region when TE is applied to it. For example, increas-
ing STRENGTH for under-penetrated regions such as shoulders makes a white region grayer. Increasing
STRENGTH for over-penetrated regions such as lungs makes a black region grayer. In both cases,
increasing STRENGTH generally makes the region grayer.
The effect of varying AREA and STRENGTH in TE is demonstrated in Figure 15-45 for under-penetrated
regions. Increasing STRENGTH while keeping the AREA constant makes the pixel grayer in the shoulder
region. Increasing AREA extends the region that becomes gray.
Figure 15-45 Varied TE settings
Note: Unlike Tissue Equalization, which controls contrast within under-penetrated (thick) or over-pene-
trated (thin) areas, Tissue Contrast controls the general contrast between the thick and thin anat-
omy. For example, Tissue Contrast can be used in combination with Tissue Equalization to define
a Chest PA look that is equalized in the lung fields, but with light spine/ribs.
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