Related Experiment Video
Updated: Jun 11, 2026

Multimodal Cross-Device and Marker-Free Co-Registration of Preclinical Imaging Modalities
Published on: October 27, 2023
[PET and CT cross-modality medical image fusion based on out-location frame]
Zi-hai Xu1, Fu-xi Liao, Zhi-qiang He
1Radiotherapy Center of PLA 303 Hospital, Nanning 530021, China.
Objective:
To develop a new method of PET and CT cross-modality medical image fusion based on out-location frame.
Methods:
PET/CT cross-modality medical images were obtained based on the out-location frame and the external fiducial marker on the frame was used for rigid medical image registration. A variation model based on the wavelet transform was used for image fusion.
Results:
The CT images were displayed by grey scale and overlaid with the PET images displayed by chromatic scale to obtain the image after registration and fusion.
Conclusion:
The method of external markers registration can be effective and accurate in achieving PET and CT image fusion.
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