Biologically inspired simulation of livor mortis

This source preferred by Christos Gatzidis

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Authors: Frerichs, D., Vidler, A. and Gatzidis, C.

Journal: Visual Computer

Pages: 1-14

ISSN: 0178-2789

DOI: 10.1007/s00371-016-1291-3

© 2016 The Author(s) We present a biologically motivated livor mortis simulation that is capable of modelling the colouration changes in skin caused by blood pooling after death. Our approach consists of a simulation of post mortem blood dynamics and a layered skin shader that is controlled by the haemoglobin and oxygen levels in blood. The object is represented by a layered data structure made of a triangle mesh for the skin and a tetrahedral mesh on which the blood dynamics are simulated. This allows us to simulate the skin discolouration caused by livor mortis, including early patchy appearance, fixation of hypostasis and pressure induced blanching. We demonstrate our approach on two different models and scenarios and compare the results to real world livor mortis photographic examples.

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