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Re: help needed in understanding correl_images [message #93636 is a reply to message #93635]

Mon, 19 September 2016 03:11

Helder Marchetto
Messages: 520
Registered: November 2011

Senior Member

On Monday, September 19, 2016 at 10:19:25 AM UTC+2, sid wrote:
> Hello all,
> I have taken two images
> image1(701,501)
> image2(701,501)
>
> I need to find the xshift in these two images and have used the
> correl_images it gives a 15 by 15 pixel output.
>
> But couldnt understand what this output array is.
>
> Can anybody pls explain this.
> thanks

Hi,
my guess, is that what you *really* want is correl_optimize. This uses correl_images and corrmat_analyze to give you the x,y-shift.
The alternative is to use phase correlation (https://en.wikipedia.org/wiki/Phase_correlation).

Helder

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[Message index]

		help needed in understanding correl_images By: gunvicsin11 on Mon, 19 September 2016 01:19
		Re: help needed in understanding correl_images By: Helder Marchetto on Mon, 19 September 2016 03:11
		Re: help needed in understanding correl_images By: gunvicsin11 on Mon, 19 September 2016 18:51
		Re: help needed in understanding correl_images By: Helder Marchetto on Tue, 20 September 2016 01:00

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