Calculate Statistics for the Visible Portion of an image in the Viewer - ERDAS Imagine Tutorial
Calculate Statistics for the Visible Portion of an image in the Viewer - ERDAS Imagine Tutorial
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When stats are computed in the IMAGINE Viewer for a specified image, the entire image is always used. This feature allows the stats for the displayed area of the image to be computed without having to create an AOI over the image.



This new feature can be accessed from the icon on the Raster Tool palette or the raster menu to force the stats to be calculated based on the displayed region of the image. (Shown Below)


These stats could then be used by the other contrast tools to modify the lookup tables used for this image.

Source: http://www.erdas.com