Optimisation in CT - CT users group
Optimisation in CT - CT users group
Optimisation in CT - CT users group
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Image quality<br />
Im age quality<br />
4.5<br />
4.5<br />
3.5<br />
2.5<br />
1.5<br />
0.5<br />
4<br />
3.5<br />
3<br />
2.5<br />
2<br />
1.5<br />
1<br />
0.5<br />
0<br />
4<br />
3<br />
2<br />
1<br />
0<br />
Comparison of subjective image quality<br />
relative to scann<strong>in</strong>g dose. Axial Images<br />
Results – 8-slice<br />
Pitch 0.625<br />
Pitch 1.675<br />
0 10 20 30<br />
<strong>CT</strong>DIw (mGy)<br />
Comparison of subjective image quality<br />
relative to scann<strong>in</strong>g dose. 3D Images<br />
Pitch 0.625<br />
pitch 1.625<br />
0 5 10 15<br />
<strong>CT</strong>DIw (mGy)<br />
Image quality<br />
Image quality<br />
12<br />
10<br />
8<br />
6<br />
4<br />
2<br />
0<br />
12<br />
10<br />
8<br />
6<br />
4<br />
2<br />
0<br />
Comparison of objective image quality<br />
relative to scann<strong>in</strong>g dose. Axial Images<br />
0 10 20 30<br />
<strong>CT</strong>DIw (mGy)<br />
Pitch 0.625<br />
Pitch 1.675<br />
Comparison of objective image quality<br />
relative to scann<strong>in</strong>g dose. 3D Images<br />
Pitch 0.625<br />
Pitch 1.675<br />
0 10 20 30<br />
<strong>CT</strong>DIw (mGy)
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