手関節における三次元動態撮像法および解析法の開発
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概要
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Sequential wrist images were taken at 5-degree rotational interval from a pronate to supinate position (180 degrees). A tentative rotational center was obtained automatically by image analysis. We analyzed the sinogram obtained from the profile data of each image and calculated the true rotational center. Axial images were reconstructed using filtered back projection. These reconstructed images were more accurate than images that were reconstructed without analyzing the sinogram. The sinogram was derived of ulnar and radius profile data. This sinogram was used to reconstruct more accurate images.These images are easily converted into 3D or multi planar reconstruction.These results indicate that rotational imaging provides additional diagnostic information like 3D structure and kinetic data.
- 医用画像情報学会 = MII: Japan Society of Medical Imaging and Information Sciencesの論文
医用画像情報学会 = MII: Japan Society of Medical Imaging and Information Sciences | 論文
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