normxcorr2 - technical reference document

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Olga Liberman
Olga Liberman 2019-8-20
编辑： Adam Danz 2019-8-22
Hello,
Inside the normxcorr2 function in Matlab, it's written in the comments that:
"Our technical reference document on NORMXCORR2 shows how to get from equation 2 of the Lewis paper to the code below."
where can this technical reference document be found?
Thanks,
Olga

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回答（1 个）

Adam Danz
Adam Danz 2019-8-20
编辑：Adam Danz 2019-8-20
Technical reference; scroll down to the "algorithms" section (see comments below).
https://www.mathworks.com/help/images/ref/normxcorr2.html
Or by executing the following. Then scroll down to the references.
doc normxcorr2
Lewis paper
http://scribblethink.org/Work/nvisionInterface/nip.pdf
  2 个评论
Olga Liberman
Olga Liberman 2019-8-20
Thanks, but this link is missing the explanation of getting from equation to the code.
Matlab's implementation of normxcorr2 isn't straight-forward Lewis's eq. 2. That's why I'm looking for the technical reference document.
Adam Danz
Adam Danz 2019-8-20
编辑：Adam Danz 2019-8-22
Hi Olga, the link I provided is the technical reference.
If you scroll down to the algorithm section, you might find what you're looking for. There's a copy of eq 2 from the Lewis paper.
And from the Lewis paper,
Another thing to consider is that the comment left by the programmer who developed that code could have been written years and years ago. I briefly searched the documentation for r2006b and there was different, but less, information provided (see link).
If you'd like to search for older versions of the technical references,
https://www.mathworks.com/help/doc-archives.html

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