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ORIGINAL ARTICLE
Year : 2022  |  Volume : 37  |  Issue : 1  |  Page : 37-42

Design and evaluation of MeVislab networks for co-registration and cropping of positron emission tomography/computed tomography scans


1 Department of Nuclear Medicine, All India Institute of Medical Sciences, New Delhi, India
2 Department of Urology, All India Institute of Medical Sciences, New Delhi, India

Correspondence Address:
Dr. Anil Kumar Pandey
Ph.D, Additional Professor (Medical Physics), Department of Nuclear Medicine, All India Institute of Medical Sciences, Ansari Nagar, New Delhi - 110 029
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijnm.ijnm_107_21

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Objective: The aim of the present study was to design and evaluate two MeVisLab networks, one for co-registration of positron emission tomography/computed tomography (PET/CT) images and second for cropping the co-registered PET/CT images. Materials and Methods: Two MeVisLab networks, one to co-register and export PET/CT DICOM images and second for cropping the co-registered PET/CT images were designed using different modules of registration toolkit MERIT. One hundred and twenty-five PET/CT studies were exported from Siemens and GE scanners in DICOM format. These images were co-registered and cropped with our designed networks. The images co-registered with our network were compared visually with the co-registered images of same PET/CT studies on vendor provided workstations by an experienced nuclear medicine physician (NMP). The perfection of the cropping of co-registered images was also assessed visually. Results: Visually, NMP found all 125 images co-registered using the network designed in our study similar to the co-registered images of vendor provided workstations. Furthermore, the cropping of all co-registered images was perfectly done by our network. Conclusion: Two MeVisLab networks designed and evaluated in the present study can be used for co-registration of PET/CT DICOM images and cropping the co-registered PET/CT images.


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