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  • Title: Application of superimposition-based personal identification using skull computed tomography images.
    Author: Ishii M, Yayama K, Motani H, Sakuma A, Yasjima D, Hayakawa M, Yamamoto S, Iwase H.
    Journal: J Forensic Sci; 2011 Jul; 56(4):960-6. PubMed ID: 21595689.
    Abstract:
    Superimposition has been applied to skulls of unidentified skeletonized corpses as a personal identification method. The current method involves layering of a skull and a facial image of a suspected person and thus requires a real skeletonized skull. In this study, we scanned skulls of skeletonized corpses by computed tomography (CT), reconstructed three-dimensional (3D) images of skulls from the CT images, and superimposed the 3D images with facial images of the corresponding persons taken in their lives. Superimposition using 3D-reconstructed skull images demonstrated, as did superimposition using real skulls, an adequate degree of morphological consistency between the 3D-reconstructed skulls and persons in the facial images. Three-dimensional skull images reconstructed from CT images can be saved as data files and the use of these images in superimposition is effective for personal identification of unidentified bodies.
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