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Re: Image proceesing in IDL [message #60791]

Fri, 13 June 2008 16:59

enod
Messages: 41
Registered: November 2004

Member

On Jun 14, 1:28 am, arun <mailtosa...@gmail.com> wrote:
> Hi,
> I have a tiff image of the dimesion 3000 x 3000 which is actually a
> gray scale image.I want to calculate the amount of soil,water and air
> present in the image.I tried using histogram to apply threshold but
> its not working fine.Can anyone suggest me how to do it.I am an
> invoice so any help would be appreciated.Below is the code which i
> have used.
>
> nPixels = n_elements(rotateImg)
>
soilSubscripts = where(rotateImg ge 24000and rotateImg lt 30000,
~~syntax error?
> nSoilPixels)
>
> percentSoil = float(nSoilPixels) / nPixels
>
> waterSubscripts = where(rotateImg ge 18000 and rotateImg lt 23000,
> nWaterPixels)
>
> percentWater = float(nWaterPixels) / nPixels
>
> PRINT, percentSoil
> PRINT, percentWater
>
> With Regards
> Arun

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[Message index]

		Re: Image proceesing in IDL By: enod on Fri, 13 June 2008 16:59
		Re: Image proceesing in IDL By: Haje Korth on Fri, 13 June 2008 12:05
		Re: Image proceesing in IDL By: David Fanning on Fri, 13 June 2008 10:49
		Re: Image proceesing in IDL By: Vince Hradil on Fri, 13 June 2008 10:44
		Re: Image proceesing in IDL By: arun on Mon, 16 June 2008 11:07

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