Registration of 2D C-Arm and 3D CT Images for a C-Arm Image-Assisted Navigation System for Spinal Surgery

Figure 7

(a) Original AP-view image. (b) Segmentation of the instrument. (c) The mask for AP-view DRR image. (d) Original LA-view image. (e) Segmentation of the instrument. (f) The mask for LA-view DRR image.

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