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I'd like to get cumulative mean value from a multiband image (4 bands).

How can I do it in ArcGIS, ERDAS and ENVI?

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closed as too broad by PolyGeo Jun 5 '15 at 10:09

There are either too many possible answers, or good answers would be too long for this format. Please add details to narrow the answer set or to isolate an issue that can be answered in a few paragraphs.If this question can be reworded to fit the rules in the help center, please edit the question.

I've placed this on hold as too broad, because as per our Tour there should be only one question per question, and this is effectively asking the same question for each of three products. – PolyGeo Jun 5 '15 at 10:10

Cell Statistics in ArcGIS will calculate the mean (or statistic of choice) among multiple rasters on a cell-by-call basis.

Not sure what you mean by 'cumulative mean.' Perhaps you might be meaning the sum of the mean for each raster. If so, try the Get Raster Properties tool for each band and then sum them up as constants in Raster Calculator or Cell Statistics, making sure to set the Raster Analysis Properties and Extent in the Environments to same as your original rasters.

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