Large-Deformation Image Registration of CT-TEE for Surgical Navigation of Congenital Heart Disease

Figure 6

Registration process for a set of sections from an adult patient (Patient 12 in Table 1). (a) The original CT image. (b) The original TEE image. (c) The results of the basic registration. (d) The result of the final registration. (e) The fusion result based on the basic registration. (f) The fusion result based on the final registration. (g) The fusion result obtained from the comparison algorithm VMI. (h) The fusion result obtained from the comparison algorithm ICPMI. Note: the yellow arrows in (e), (f), and (h) indicate the alignment of the heart valves. CT, computed tomography; TEE, transesophageal electrocardiography; VMI and ICPMI, comparison algorithms.

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