ComponentMeasurements

ComponentMeasurements[{image,lmat},"prop"] computes the property "prop" for components of image indicated by the label matrix lmat.

ComponentMeasurements[image,"prop"] computes the property "prop" for connected components of image. 

ComponentMeasurements[…,"prop",crit] only returns measurements for components that satisfy the criterion crit.

ComponentMeasurements[…,"prop",crit,format] formats the result according to the output specification format.

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