Demonstration of protocol for computer-aided forensic facial reconstruction with free software and photogrammetry
Purpose: Forensic facial reconstruction (FFR) is an auxiliary technique that approximates a face in order to generate identifications. Technological development allows access to open software that can be applied to FFR. The demonstrated protocol has features from creating 3D replicas of the skull to finishing and displaying the reconstruction. PPT GUI is used for 3D scanning, and the resulting point cloud is converted into a 3D mesh in MeshLab. The sculpture is made in Blender, according to the user’s preferred technique. The adaptation of the skin layer and finishing of the reconstruction is optimized with the use of templates. In this phase, details can also be hand-carved. Allied to basic training in the software featured in this protocol, the open access to these tools and its independence of imaging hardware other than digital cameras is an advantage to its application in forensic and research contexts.
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Journal of Research in Dentistry, University of Southern of Santa Catarina, Santa Catarina, ISSN 2317-5907