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Table of contents

Comparison of image quality and radiation dose from four and sixteen slice scanners

Aim

Theoretical relationships of noise and resolution

Scanners

Scan protocols

Reconstruction filters

Noise and resolution analysis

Spatial resolution (scan plane)

Spatial resolution (scan plane)

Comparison of image quality and dose

Comparison of image quality and dose

Noise and resolution (with reconstruction filter)

Example : GE, head 16 slice

Example : GE, head 16 slice

MTF curves (head, 16 slice scanners)

Results: correlation (all algorithms)

Results: correlation (restricted algorithms)

Slide 18

Power: n

Slide 20

Slide 21

Four and sixteen slice scanners (head, all algs)

Slide 23

Sixteen slice scanners (head, all algs)

Slide 25

Conclusion

Slide 27

Author: Sue Edyvean

E-mail: sue@impactscan.org

Homepage: http://www.impactscan.org/