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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 44, Iss. 21 — Jul. 20, 2005
  • pp: 4501–4509

Tensorial analysis of a Fourier-transform profilometric setup devoted to the evaluation of muscular contractions

Abdelmalek Hanafi, Tijani Gharbi, and Jean-Yves Cornu  »View Author Affiliations


Applied Optics, Vol. 44, Issue 21, pp. 4501-4509 (2005)
http://dx.doi.org/10.1364/AO.44.004501


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Abstract

We explore the potential use of the Fourier-transform profilometry technique in in vivo studies of muscular contractions through the variation of muscle-group cross sections. Thanks to a tensorial analysis of the technique, a general expression of its sensitivity vector is established. It allows derivation of the expression of the resolution and the limit condition imposed by the spatial sampling of the fringe pattern. Key parameters that maximize the sensitivity are then simulated. A measurement system is accordingly built up and characterized. It is then successfully applied to the evaluation of the deformation of the forearm muscles during grasping exertions.

© 2005 Optical Society of America

OCIS Codes
(070.2580) Fourier optics and signal processing : Paraxial wave optics
(120.2650) Instrumentation, measurement, and metrology : Fringe analysis
(120.3890) Instrumentation, measurement, and metrology : Medical optics instrumentation
(120.3930) Instrumentation, measurement, and metrology : Metrological instrumentation
(120.4120) Instrumentation, measurement, and metrology : Moire' techniques

History
Original Manuscript: July 6, 2004
Revised Manuscript: February 4, 2005
Manuscript Accepted: February 20, 2005
Published: July 20, 2005

Citation
Abdelmalek Hanafi, Tijani Gharbi, and Jean-Yves Cornu, "Tensorial analysis of a Fourier-transform profilometric setup devoted to the evaluation of muscular contractions," Appl. Opt. 44, 4501-4509 (2005)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-44-21-4501

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