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Stabilizing Heteroscedastic Noise With the Generalized Anscombe Transform. Application to Accurate Prediction of the Resolution in Displacement and Strain Maps Obtained With the Grid Method.
Abstract : The objective of this paper is to show that it is possible to predict the noise level in displacement and strain maps obtained with the grid method, but that actual noise of camera sensors being heteroscedastic, it is necessary to stabilize this noise in grid images prior to employing the predicting formulas. The procedure used for this purpose relies on the Generalized Anscombe Transform. This transform is first described. It is then shown that experimental and theoretical resolutions in strain maps obtained with the grid method are in good agreement when this transform is employed.
Cited literature [15 references]
https://hal.inria.fr/hal-01001869
Contributor : Frédéric Sur Connect in order to contact the contributor
Submitted on : Friday, September 12, 2014 - 2:27:11 PM
Last modification on : Saturday, June 25, 2022 - 7:39:58 PM
Long-term archiving on: : Saturday, December 13, 2014 - 10:07:39 AM
Contributor : Frédéric Sur Connect in order to contact the contributor
Submitted on : Friday, September 12, 2014 - 2:27:11 PM
Last modification on : Saturday, June 25, 2022 - 7:39:58 PM
Long-term archiving on: : Saturday, December 13, 2014 - 10:07:39 AM
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SEM2014_GS.pdf
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