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Old 09-03-2003, 04:20 PM
Jerry Avins
Posts: n/a
Default Re: image in image search

Andreas wrote:
> Hello!
> I am trying to implement an algorithm which is supposed to find the best
> match of a given (small) image in a larger image.
> I have thought about a few (naive) ways of implementation, and recently have
> been pointed at FT and wavelets, which - if applicable - sound rather
> interesting for my problem.
> So I was wondering whether you can give me any tips on whether using those
> transformations makes sense, and also - if you know about these matters as
> well - how well such an algorithm can be parallelized (as I am going to
> implement the algorithm on a few FPGAs), or if there may be approaches which
> are better suited.
> Best regards and thx for any answers,
> Andreas

I don't know what you mean by "best match of a given (small) image in a
larger image." If that refers to a small image that is part of a larger
one, what does it match? If "in" should have been "to" so that the
phrase reads "best match of a given (small) image to a larger image",
then there is a scaling problem that's not trivial, but depending on the
nature of the images, reducing them to the same scale might be simple
enough. It it is, you may get further ideas from Chapter 24 of Steven W.
Smith's book, "The Scientist and Engineer's Guide to Digital Signal
Processing", available on line at http://www.dspguide.com/.

Engineering is the art of making what you want from things you can get.
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