Do you plan to distribute the source code of the activity?
> -----Mensaje original----- > De: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] En nombre de Benjamin > M. Schwartz > Enviado el: Miércoles, 20 de Junio de 2007 15:09 > Para: Eben Eliason > CC: [EMAIL PROTECTED]; [EMAIL PROTECTED] > Asunto: Re: Panorama activity > > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Eben Eliason wrote: > > That's a lot of shots. Can you do some tests to determine > the minimal > > required number that still produces decent stitches? > I would be happy to do some tests. > > > Would 25% overlap > > be sufficient? > Probably. That would correspond to about 12 frames in a full circle. > > > Here's another thought....I know this is probably pushing > things a lot > > on our little machine, but how long would a single diff take to > > determine the angle between a previously taken photo and a > newly taken > > one. > On my computer I can probably calculate the angle ten times a > second; on an XO, maybe once a second. However, this means > that during the entire process, the machine is running at > 100% CPU, so interactivity may suffer. > > I had a much simpler idea: overlay the previous frame on the > video field, offset by the desired amount (say, 70%). This > is what many consumer digicams do in panorama mode, including > my cell phone. It is then obvious to the user to turn the > screen until the overlaid image aligns with the camera > output. Based on the Video Chat/Virtual Whiteboard mockups, > it seems like we have accelerated alpha on top of video on > the LX, but I don't know this for sure... > > - --Ben > > > > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.7 (GNU/Linux) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org > > iD8DBQFGeXtOUJT6e6HFtqQRAg4tAKCRUnPhxTv9sw9jhaco2T8F1ZvsHgCcD57P > KzZsMualX8LAr7OhvIKk2vA= > =JySx > -----END PGP SIGNATURE----- > _______________________________________________ > Devel mailing list > [email protected] > http://lists.laptop.org/listinfo/devel _______________________________________________ Devel mailing list [email protected] http://lists.laptop.org/listinfo/devel
