A Method Of Determining Minute Deformation And Displacement Of Skull By Speckle Photography

Liu Fuxiang; Wang Shifan

doi:10.1117/12.939095

15 January 1988 A Method Of Determining Minute Deformation And Displacement Of Skull By Speckle Photography

Liu Fuxiang, Wang Shifan

Proceedings Volume 0673, Holography Applications; (1988) https://doi.org/10.1117/12.939095
Event: Holography Applications, 1986, Beijing, China

Abstract

This paper presents a method of measuring 3D minute displacement field of craniofacial bone by speckle photography. Multiple specklegrams are used in this method. Real spatial displacement is computed by the measurement of in-plane translations perpendicular to some viewing directions and the use of the projective transformation relation of the displacement vector. As a calculating example, the initial reaction of craniofacial bone produced by orthodontic forces is measured. Experimental results are in agreement with the results obtained by holographic interferometry.

Citation Download Citation

Liu Fuxiang and Wang Shifan "A Method Of Determining Minute Deformation And Displacement Of Skull By Speckle Photography", Proc. SPIE 0673, Holography Applications, (15 January 1988); https://doi.org/10.1117/12.939095

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