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Re: Calculating a mean band [message #54827 is a reply to message #54825]

Wed, 11 July 2007 08:32

Jean H.
Messages: 472
Registered: July 2006

Senior Member

Julio wrote:
> Hi there!
>
> Very simple question... I have a multi-band image (36 bands) and I
> need to calcultate the average of the bands, pixel by pixel.
>
> If I do that:
>
> average_array=mean(multi_band)
>
> I get a single value, because it doesn't work pixel by pixel. So, how
> can I do to make a mean band of all the 36 bands??
>
> Comments welcome.
>
> Best!
> Julio
>

Hi,

You can easily make the sum of you band along a dimension... so
average_array = total(multi_band, 3) / nbOfBands

Jean

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[Message index]

		Re: Calculating a mean band By: Conor on Wed, 11 July 2007 08:48
		Re: Calculating a mean band By: Jean H. on Wed, 11 July 2007 08:32
		Re: Calculating a mean band By: greg.addr on Wed, 11 July 2007 08:30

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