Research Article

Improving Intensity-Based Lung CT Registration Accuracy Utilizing Vascular Information

Figure 5

Cost functions versus iteration associated with experiment CT13. Cost function values are recorded at (a) 1/8, (b) 1/4, (c) 1/2, and (d) full image resolution.
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(a)
285136.fig.005b
(b)
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(c)
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(d)