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The high complexity of cortical convolutions in humans is very challenging both for engineers to measure and compare it, and for biologists and physicians to understand it. In this paper, we propose a surface-based method for the quantification of cortical gyrification. Our method uses accurate 3-D cortical reconstruction and computes local measurements of… (More)
In this article, we present FACSGen 2.0, new animation software for creating static and dynamic three-dimensional facial expressions on the basis of the Facial Action Coding System (FACS). FACSGen permits total control over the action units (AUs), which can be animated at all levels of intensity and applied alone or in combination to an infinite number of… (More)
A dumb-bell mediastinal melanotic schwannoma is described, and the rarity of this type of tumour emphasised. The tumour was resected by simultaneous laminectomy and posterior thoracotomy. The patient is well four years after operation. The pathology of the tumour is described and the origin of melanotic cells is discussed.
Emotions and the way they are expressed on the face play a crucial role in the successful animation of human behaviour. Only if the emotion is believable and realistic does the animated character become human-like and 'connect' to the perceiver. Over the last years, several attempts have focused on the implementation of a set of basic emotions in the form… (More)
A new class of dyestuffs--Tanisol-reactive dyes--is introduced in histopathologic technique as eosin substitutes and/or complementary stains of the classical HE. In the hematoxylin-Tanisol stain a histochemical reaction takes place between the dye and the tissue in situ with the formation of strong dye-tissue covalent crosslinks. This provides a high… (More)