Calculate ROI Mean

Author: Wayne Rasband (wsr at
History: 2006/12/18: First version
Installation: Download to the plugins folder, or subfolder, then compile and run it using Plugins/Compile and Run. Restart ImageJ and there will be a new "Calculate Mean" command in the Plugins menu, or submenu.
Description: This plugin demonstrates how to use a mask to tally the values and number of pixels within a non-rectangular selection. If there is no area selection, it calculates the pixel count and mean pixel value of the entire image.
See Also: ROI Iterator Demo

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