Registration and Summation of Respiratory-Gated or Breath-Hold PET Images Based on Deformation Estimation of Lung from CT Image

<div>PET images obtained by RSMs. (a) Previous RSM. (b) Proposed RSM. In sagittal images, a ROI (region of Interest) is shown that indicates the presence of tumor (red circles).</div>

Computational and Mathematical Methods in Medicine

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Figure 3: Registration and Summation of Respiratory-Gated or Breath-Hold PET Images Based on Deformation Estimation of Lung from CT Image 