Three-dimensional motion analysis - an exploratory study. Part 1: assessment of facial movement.

摘要: Structured Abstract Authors –  Popat H, Richmond S, Playle R, Marshall D, Rosin PL, Cosker D Objectives –  To objectively quantify facial movement in response to expression and spoken word. Design –  Experimental study. Setting –  Department of Dental Health Biological Sciences, University Hospital, Cardiff, UK. Experimental Variable –  Facial was assessed a standardized smile the utterance ‘puppy’. The sequences were recorded using non-invasive, three-dimensional motion analysis image capture system (3dMDface™ Dynamic System) at 48 frames per second. Outcome movement, sequential sequence aligned baseline/reference frame three-dimensionally best fit on non-moveable points upper half face. Accuracy alignment process for each tested percentage stable (i.e. within ±0.5 mm) face. Results –  Quantifiable changes topology seen during both mean (SD) that remained face ‘puppy’ 88.8% (4.7). During expression, there much lower with 60.9% (3.2). Conclusion –  3dMDface™ System allows objective, three-dimensional, non-invasive assessment movement. is more appropriate measure when compared expression.