Three-dimensional Measurement of Skin Displacement

Three-dimensional Measurement of Skin Displacement
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皮肤位移的三维测量

DOI:
10.1109/haptics45997.2020.ras.hap20.158.b8032225
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发表时间:
2020
期刊:
2020 IEEE Haptics Symposium (HAPTICS)
影响因子:
--
通讯作者:
S. Kaneko,H. Kajimoto
S. Kaneko,H. Kajimoto
中科院分区:
--
文献类型:
--
作者:
S.Tanaka;S. Kaneko,H. Kajimoto

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我们提出了一种测量手指追踪纹理时三维皮肤位移的方法。我们将指标匹配技术与立体技术相结合;前者使纹理板几乎透明,而后者允许对皮肤上的标记进行三维测量。我们证实,当纹理间距大于2 mm时,该方法可以观察到皮肤在法向和切向的位移。当纹理为正弦波时,在皮肤上观察到正弦波的推进,当纹理为矩形线性光栅时,观察到相同周期的位移,观测结果是合理的。此外,我们观察到皮肤法线方向的皮肤位移可能比切向方向的分辨率或振幅更高。本文还讨论了该方法的局限性。
We propose a method of measuring threedimensional skin displacement when a finger traces a texture. We combine the techniques of index matching and stereoscopy; the former makes the textured plate virtually transparent while the latter allows three-dimensional measurement of markers on the skin. We confirm that the proposed method can observe skin displacement in normal and tangential directions when the pitch of texture is larger than 2 mm. Observation results are reasonable in that the progress of a sinusoidal wave is observed on the skin when the texture is sinusoidal, and a displacement with the same period is observed when the texture is a rectangular linear grating. Moreover, we observe that the skin displacement in the skin normal direction may have a higher resolution or amplitude than that in the tangential direction. Limitations of the proposed method are also discussed.
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DOI: --
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