Image processing and TV-holography

Ole Johan Lokberg; Svein Ellingsrud; Hans Magne Pedersen; Eiolf Vikhagen

doi:10.1117/12.20253

1 August 1990 Image processing and TV-holography

Ole Johan Lokberg, Svein Ellingsrud, Hans Magne Pedersen, Eiolf Vikhagen

Proceedings Volume 1265, Industrial Inspection II; (1990) https://doi.org/10.1117/12.20253
Event: The International Congress on Optical Science and Engineering, 1990, The Hague, Netherlands

Abstract

Image processing has been used to analyze TV -holographic fringe patterns of deformations and vibrations. The processed pictures give improved detection and information for the operator of the interferometer. A lower detection limit of about ?./50 for deformation analysis has been achieved, while amplitudes down to V500 and phase values with an accuracy about 3° have been measured on vibrating objects. Examples of applications of the techniques are shown.

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Ole Johan Lokberg, Svein Ellingsrud, Hans Magne Pedersen, and Eiolf Vikhagen "Image processing and TV-holography", Proc. SPIE 1265, Industrial Inspection II, (1 August 1990); https://doi.org/10.1117/12.20253

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