I'll echo Harry's sentiment: I'm very interested in this! Thanks Pablo for your continuing efforts :-)
Jeffrey On Feb 9, 10:52 am, Harry van der Wolf <[email protected]> wrote: > Hi all, > > I'd like to start this specific thread again, just because I'm so interested > in this patent-free control point detector. Actually my questions here are > for Pablo, but as I think it interests a lot of people I throw it in the > open. > > @Pablo: I really don't want to push you, I'm just very interested in it. > Please consider this as a "gentle" reminder. Not being a C++ programmer I > depend on those who are. To control my own enthusiasm it would be nice if > you could give us some clues on how this will proceed and when. > To be more specific: > - The mail mentions that a "a small part of the SURF algorithm to estimate > the orientation of the interest point" is still used. You mention that you > hope to replace this in the future. Can you give a rough estimate or could > this be a GSOC 2010 project? > - Build process: The build process is not very clean yet. I did some > patching with regard to vigra-impex lib [3]. I don't know whether this works > correctly on all linuxes, but it did for me on Ubuntu and OSX (off course). > It's also possible to build against Hugins own internal vigraimpex. I could > not deduct differences between the external (latest) vigraimpex and the > internal hugin version. (Again a GSOC2010 project?) > - OpenSURF: I suppose you have seen the documentation around Opensurf long > time ago, but in case you didn't (and for others) I provide some links to > code [0] and notes [1]. It is GPL3 and I can't find patented parts. You > mention that the panomatic code is clean and modular. Would it be "easy" and > useful to implement this code as a "module" in panomatic-lib as well? (Again > possibly a GSOC 2010 project including the previous mentioned topics/steps). > > [0]:http://code.google.com/p/opensurf1/ > [1]: opensurf1.googlecode.com/files/OpenSURF.pdf > [3]:http://groups.google.com/group/hugin-ptx/attach/9d6d35572627940d/find... > > Hoi, > Harry > > 2010/1/3 Pablo d'Angelo <[email protected]> > > > Hi all, > > > I have taken some time in the last few days and continued my work on on > > a patent free control point detection algorithm, which I haven't had > > time to continue since I started it in March 2009. > > > I have taken panomatic as base, as it is a relatively clean code base > > (compared to the others), and implemented a new descriptor based on the > > geometric blur and DAISY papers. This is a relatively simplistic (and > > very cheap to compute) descriptor, and its probably not as powerful as > > the original SURF descriptor. I'm still using a small part of the SURF > > algorithm to estimate the orientation of the interest point, so it is > > not 100% patent free yet, but I hope to replace that part in the future. > > > I have further modularized the panomatic source code and added a new > > program called keypoints, which can be use to compute the descriptors > > only (similar to generatekeys from autopano-sift). The main panomatic > > executable now also supports loading of these files instead of > > recomputing them based on the images. This is mainly useful for testing > > and some more advanced control point finding strategies. > > > The code lives in a bzr repository on launchpad: > >https://code.launchpad.net/~pablo.dangelo/hugin/panomatic-lib<https://code.launchpad.net/%7Epablo.dangelo/hugin/panomatic-lib> > > > See the README file on how to build and use it. It is not tested on many > > panos yet, and might or might not work. > > > I'm interested in feedback to see how well it works with typical panos. > > > Note that it can't properly handle fisheye images (like the original > > panomatic). It might be possible to use it with match-n-shift, but I > > haven't tried that yet. > > > ciao > > Pablo -- You received this message because you are subscribed to the Google Groups "hugin and other free panoramic software" group. A list of frequently asked questions is available at: http://wiki.panotools.org/Hugin_FAQ To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/hugin-ptx
