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A Multi-Modality Computer-Aided Framework Towards Postmortem Identification

A multi-modality framework for forensic soft-facial reconstruction based on computed tomography (CT) and magnetic resonance imaging (MRI) is presented. CT is used to acquire a virtual representation of a skull find and MRI templates provide the desired soft-tissue information to produce a facial likeness of a deceased individual. Two main strategies are described. The first is based on a regularized non-linear warping technique using radial basis functions known as thin-plate splines in 3D space. The second is an automatic segmentation scheme based on active contours, which will provide a facial template that can be morphed onto the CT of the skull find. These approaches are presented in the framework of forensic workplace.