GenMotion and DePan plugins for global motion compensation

[smok3]

iam trying to stabilize rotation using DePanStabilize, but it is a nogo no matter what i use for 'rotmax' value..., any ideas?

[Fizick]

Recently I developed first beta (alpha) version of MVtools to Depan interface, as MVDepan function of MVTools.

The global motion extraction algorithm is still not very clever and robust in this version, but it works as idea.

But it can estimate rotation too.

Try latest version on MVTools 0.9.8.2 and above
http://forum.doom9.org/showthread.ph...0&pagenumber=3

[Fizick]

Version 1.1.4, December 15, 2004 - damping parameter in DePanStabilize is now variable (was accidentally fixed =0.9 in all previous versions

[Fizick]

Version 1.1.5, December 31, 2004 - bug fixed in DepanEstimate (erroneous motion data) for fftw=true with show=false and info=false

I really wander why it bug was not fond before
(it present since v.1.1)

Happy Mew Year!

[scharfis_brain]

I would really like to know, how a mewing year sounds alike

Anyway. thanks for the fixed version

[nmap]

Hello Fizick,

Excellent work on a wonderful plugin! I do have but one problem, it may be due to my own stupidity though.

Glabally speaking, if I use

mdata = DePanEstimate(range = 4, trust=5, dxmax=8, dymax=8, improve=true, fftw=true)
DePanStabilize(data=mdata, dxmax=8, dymax=8, prev=1, next=1, info=false, cutoff=0.5)

I still obtain black bars where the panning occurs. Would this be because I've limted the dx and dy? I'd really like to remove the black bars if possible.

Thanks
nmap

[scharfis_brain]

increase the next and prev parameters

[Fizick]

nmap,
it is most hard question, we do no know what must be in place of black borders.

try use "addzoom", and "mirror" to fill it.
I often use use greater "cutoff" = 2.0

Note. The used values of dxmax and dymax are too low,
try defaults.

Lucky depaning!

[Fizick]

Version 1.2, April 1, 2005 - added fitlast parameter to fit some last frames range to original position


Version 1.3, April 29, 2005 - added blur parameter to somewhat hide the sharp mirrored details; blur is horizontal only, at left and right border.

[Fizick]

Version 1.4, May 7, 2005 (published May 29)- DePanStabilize: Zoom adaptive mode addzoom is improved. Adaptive zoom decreasing rate is slower than zoom increasing rate now. Thus, the black empty borders are decreased, and zoom value is more stable now.

[vinetu]

and now the WWW button is... unvisible!

[Seed]

Originally Posted by vinetu

and now the WWW button is... unvisible!

I know that your "invisible" link links to his homepage mirror. But just for information, if one click on the username (e.g. "Fizick") insie the left pane, a box will slides out and it contains the usual user profile links, including the link to homepage.

[Fizick]

Yes, this is a great forum enhancement.

BTW, DePab version 1.4.1 released (bug fixed with log)

[SCIF]

There is new version DePan v.1.5 - Stabilizer adaptive zoom mode improved more.
Thanks to Fizick for regular improve!

[J&J]

Fizick,

rotation.......
in the near future?

I still use deshaker 1.6 but waiting for Depan's next step....

[Fizick]

J%J,
Did you try MVDePan?
http://forum.doom9.org/showthread.ph...027#post580027

Hm, I now found that MVDePan info is missed from Depan 1.5 English doc after edition
So, i restore it and relese a new 1.5.0 zip archive (the same binary DLL).

[J&J]

Wow, MVDepan can work!
But I can't get the stable outcome as Deshake.

My Avs :


LoadPlugin("C:\Program Files\GordianKnot\AviSynthPlugins\deflicker.dll")
LoadPlugin("C:\Program Files\GordianKnot\AviSynthPlugins\depan.dll")
LoadPlugin("C:\Program Files\GordianKnot\AviSynthPlugins\MV\MVTools.dll")

sourcefile="CIMG0297"

BaseLayer=DirectShowSource(sourcefile+".avi",fps=29.970).AddBorders(96,96,96,96)

vectors = BaseLayer.MVAnalyse(isb = false,lambda=40000)

globalmotion = BaseLayer.MVDepan(vectors, pixaspect=1, thSCD1=40000,thSCD2=40000,zoom = false,error =90)
Midway=DepanStabilize(BaseLayer, data=globalmotion, cutoff=2.0, mirror=0, pixaspect=1).deflicker(percent=99,scene=25)

Return(Midway)


Thanks for your answering.....

[videoFred]

Originally Posted by J&J

Wow, MVDepan can work!
But I can't get the stable outcome as Deshake.

Yes, MVDepan works better than Depan only, because now we have not just global motion compensation but also compensation of moving objects etc..

Thank you, Fizick
Thank you, Manao

I must do many more tests, but it seems to be a huge improvement.
But I have noticed the rotation estimation is not 100%. (sometimes in the wrong direction.)

Also, on scenes with very fast moving objects and fast panning at the same time sometimes there is a jump in time beween two frames. But this is easy to solve with very low thSCD1 parameter. But then stabilising is not so good anymore.

Yes, Deshaker is still a little better, but needs two passes. On the other hand, too much stabilising looks artificial sometimes, and you get lots of blurred frames.

Resumed: I am verry happy with MVDepan, I think I'm gonna use it on all my files in the future. But if someone has a better solution for the time-jump between frames, I would be even more happy.

Fred.

[Fizick]

now we have not just global motion compensation but also compensation of moving objects etc..

No, we have global motion only with MVDePan.

[videoFred]

Originally Posted by Fizick

No, we have global motion only with MVDePan.

Realy???

You made it.. You know it.
But movement is smoother with MVDepan, then why?

Fred.