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Re: shifting a mask over an image [message #82251]

Mon, 26 November 2012 07:41

haikoley
Messages: 5
Registered: November 2012

Junior Member

On Monday, November 26, 2012 12:13:49 PM UTC+1, haik...@gmail.com wrote:
> Hi,
>
>
>
> I'm trying to move a mask over an image using the shift function. But I'm not sure if I really understood the description in the IDL help.
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> Let's say I have a 10x10 mask and a 100x100 image. In this case I have to create an array with the same size as my image. It is filles with 0 and my mask. Then I start moving the mask inside that array (in x direction and y direction). But every time I do it with both direction, there is an error message telling me that I have an incorrect number of arguments. It works fine for one dimension, though.
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> Has anyone an idea how I can shift in both directions?
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> Btw, my code looks like this:
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> for i=0, n-1 do begin
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> for j=0, n-1 do begin
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> result=shift(template, shift_x[i], shift_y[j])
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> cor=where(max(correlate(result, image))
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> endfor
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> endfor
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> thanks,
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> max

Yes, it does work now, thank you very much.

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[Message index]

		Re: shifting a mask over an image By: haikoley on Mon, 26 November 2012 07:41
		Re: shifting a mask over an image By: tom.grydeland on Mon, 26 November 2012 04:21
		Re: shifting a mask over an image By: Mats Löfdahl on Mon, 26 November 2012 04:18

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