Working with interlaced footage
Posted: Fri, 3rd Sep 2010, 10:08am
Post 1 of 8
Well, I'm working on a stop-motion film project, and I've been working out how to do certain effects in VisionLab as I go. The only problem is, I keep getting "Mice Teeth" (as some people call them). From the info here on FXhome support, I understand that it's pretty natural for this to happen to video, but I didn't take a video in the first place.
Here is the exported clip. The animation itself isn't very good, but I was really just trying to work out the effects needed. http://www.brickshelf.com/gallery/ZoefDeHaas/stuff/captain_marvel.avi
If anyone could tell me what I'm doing wrong, I would really appreciate it.
Posted: Fri, 3rd Sep 2010, 11:46am
Post 2 of 8
Looks like you set up an interlaced project when you should have been working progressive. I'm assuming you're working with still images, rather than video?
Posted: Fri, 3rd Sep 2010, 12:09pm
Post 3 of 8
Still images, yes.
So when it asks me what settings I want to use when I create a new project file, I should use "Progressive"? Have I got this right?
Posted: Fri, 3rd Sep 2010, 12:15pm
Post 4 of 8
That is correct.
Posted: Sat, 11th Dec 2010, 1:34pm
Post 5 of 8
I understand that interlaced footage creates alot of problems. Why have it then?
Posted: Sat, 11th Dec 2010, 5:43pm
Post 6 of 8
Interlacing is essentially a method of compressing video that was invented like 70 years ago or something, at the advent of television. Back then, the hardware wasn't fast enough to display an entire frame at once, so they split the frames in half, into even and odd lines of resolution, and would quickly show first one half, then the other, to reduce the bandwidth of the signal by 50%. Everything involving television was constructed based around this process, which at the time was necessary.
Today, it technically isn't necessary anymore, but because everything has always worked that way, its a hugely complicated endeavor to change a standard that has been in place so long. More and more stuff is going progressive, but it will probably be a while yet before we see the end of interlacing.
Posted: Sun, 12th Dec 2010, 2:27am
Post 7 of 8
Oh, I see.
Posted: Tue, 1st Feb 2011, 12:15pm
Post 8 of 8
[quote="Jam Pot Studios"]Still images, yes.
So when it asks me what settings I want to use when I create a new project file, I should use "Progressive"? Have I got this right?[/quote
I use the Progressive setting even for my .avi stopmotion animation files as well and this keeps things nice and smooth and not jagged.