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Histogram

External Tool Histogram

Calculates a histogram of all pixel values in the series. If Number of bars is enabled, the value range is divided into the specified number of equal intervals (e.g. 128). With Bar resolution, the interval size is directly specified. The number of occurrences in each interval are counted and plotted as a curve. Note that the numeric values of the histogram can be exported using the context menu (right mouse button in curve are, then View Values).

Values below a Background level can be excluded by checking Ignore Background and specifying the Background level.