A method of generating images with extended dynamic range and optical device for performing such a method, in particular laser-scanning microscope

2009 
By multiple image recording using different exposure times or excitation intensities in both dark and bright image areas with good S / N ratio can be measured separately and charge to an overall image with extended dynamics. However, the sequential recording is expensive and slow. The invention should make it possible to produce with little effort in a short time images with extended dynamic range. To this end, (2) for different sample areas (S, T) one of a plurality Auswerteverfahren (SPC, ADC, 2D-PC) is selected in dependence on one of the result signals and / or as a function of an intermediate result signal is one of a plurality of parallel evaluation channels to generate the overall image , The area individual selection from various signal evaluations makes it possible to use each of the signal evaluation with the optimum for that sample area dynamic range. The resulting image is obtained by a widened dynamic range, resulting from the union of the dynamic ranges of the individual pixels. Laser scanning microscopy.
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