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How could we remove noise from signals as show in in attached pictures, Thanks

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Image Analyst
Image Analyst le 17 Fév 2014

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There are no pictures attached except for one embedded above your sentence. And I'm not sure what you consider to be the noise in that curve.
There are a variety of noise reduction filters, probably the most common are median filter, sliding mean filter, Savtizky-Golay filter, and wiener filter, though there are tons of others.

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