Image Registration Methods in MRI - Advance Image Processing in Magnetic Resonance Imaging - page 211

OA before registration

1,000

OA after registration

0,950

0,900

0,850

1

5

9

13

17

21

25

Frames

29

33

37

FIGURE 7.11 OA index before and after registration.

The quantitative OA index was introduced in order to measure algorithm
effectiveness in a quantitative way. The results show that misalignments and
artifacts introduced by patient movement during the examination are greatly
reduced.

REFERENCES

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3. Jenkinson, M. and Smith, S. (2001). The role of registration in functional magnetic

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24: 325-376.

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