Nicolas, The camera was really moving around on this video, huh?! :) But, this was a test of the motion stabilizer more than a use case. It is very cool once you get used to it. Thanks for clearing up some of my confusion.
scott On Fri, 2006-10-20 at 08:57 +0200, Nicolas wrote: > On Thu, Oct 19, 2006 at 10:07:51PM -0400, Scott C. Frase wrote: > > Hey Nicolas, > > Thanks for the tips. I was able to get a better result from the video I > > made a while back. I realized I did not use the "Previous Frame Same > > Block" option originally. This made a huge difference. As I didn't > > have much time to fuss with it, I lowered the translation search steps > > to 128 as you suggest. > > > > Here are my results with comparison of before, after and zoom. The > > video is very compressed, but you can see that the zoom doesn't degrade > > too badly, as my source is HDV, which is something you'd be interested > > in seeing: > > http://content.serveftp.net/video/motionexercise.m2v > > 7MB > > > > scott > > Scott, > > There's no more lost motion tracking due to shade. However, your footage > is so jerky that you had to zoom in a lot to discard the black borders. > And now, all the "context" of the video is lost: you don't know where > the video was taken. :-/ > > So, technically, the motion tracker is, IMO, well set. But with such a > footage, one could hesitate to use the motion effect. I encountered the > same problem sometimes with my video. At some places, I had to zoom it > at a factor of 1.8, and I am using DV material... :-/ I really hesitated > between using the motion tracker, or cutting the scene. :-/ > > I'll continue to do some tests with that effect. I really would like to > be able to render to a higher resolution format, in order to see 100% of > the image, even when there's a lot of motion compensation. That way, I > could decide myself of the "stabilization effectiveness": > - zoom in a lot to discard the jerkiness, but the image is not sharp > - don't zoom it that much, and move the projector. The image is jerky, > but less than without any motion tracking. And I would not see those > large black borders. > > Anyway, who now know how to use that motion effect. I think I'll often > use it from now. > > Nicolas. > > > > _______________________________________________ > Cinelerra mailing list > [email protected] > https://init.linpro.no/mailman/skolelinux.no/listinfo/cinelerra _______________________________________________ Cinelerra mailing list [email protected] https://init.linpro.no/mailman/skolelinux.no/listinfo/cinelerra
