Antonio Profico and colleagues have just published a paper introducing Endomaker, an algorithm for automatic extraction of cranial endocasts and the calculation of their volumes. This is an implementation  based on AST-3D that  recognizes the endocranial cavity without the user intervention. A bounding box is defined around the mesh of the skull, and then converted into a three-dimensional grid of binarized voxel. High density regions (bone) are then separated by low density regions (empty spaces) through a count of surrounding voxels. The larger volume of contiguous empty voxels is then identified, and AST-3D algorithm is employed in order to produce the digital endocast. In this article, this approach is tested on Homo sapiens, Australopithecus africanus, Macaca mulatta and Lemur catta, as well as in a rat, a partridge, a dolphin and a dog. Have a look!



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