Abstract
When classical data evaluation methods are applied in Laser Speckle Contrast Analysis (LASCA) measurement of skin perfusion, the accuracy is considerably limited by the significant static scattering of the skin. Therefore, different methods were elaborated for reducing the effect of static scattering, either based on application of a wide range of exposure times or application of single exposure time in combination with more sophisticated data analysis on speckle images [1-3]. In these methods the speckle pattern is considered to be created by photons which are either backscattered from the static surface layer or from the moving scattering centres, e.g. red blood cells.
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