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From human motion capture to biological motion visualization : a new methodology

Acceleration patterns in the perception of biological motion

A lot of natural stimuli are characterized by acceleration patterns. However, available studies are inconclusive about the importance of these patterns on visual perception. Empirical findings seems to both sustain that acceleration patterns might have, or might have not, a significant role on visual perception [Runeson, 1974 Psychological Research 37 3-23; McIntyre et al, 2001 Nature Neuroscience 4(7) 693-694]...

Temporal sampling in the perception of biological motion

ECVP Abstract publicados em Perception, n.º 38 Supplement, page 84 ; Studies on visual perception pointed to a much larger temporal summation for biological motion than for simple translational patterns. Typically, an observer needs around 2000 ms to perceive a biological stimulus while for a simple translation 600 ms are usually more than enough. Moreover, biological motion perception seems to be dependent on...

Rapid prototyping in Maxillofacial Surgery and Traumatology

Review of the literature from 1991 to 2002 on the use of rapid prototyping in the biomedical area emphasizes the applicability of this technique to aid diagnosis and planning in Maxillofacial Surgery and Traumatology. A case report in which a TMJ ankylosis relapse was treated using rapid prototyping (selective laser sintering) for surgery planning is presented. After one year, the patient's buccal opening was 4...