Provides an understanding of interlaced video and how it holds two moments in time making it difficult to do effects. Shows how to perform a simple de-interlace operation so effects can be added to an interlaced shot.
- [Voiceover] Hi, this is Steve Wright…welcoming you to this week's Nuke Nugget.…In this episode, we'll see how to deal…with interlaced video.…While digital cinema cameras like the Red…use a progressive scan, HD television standards…also support interlaced scan,…which is used for fast action contents such as…sports programs.…However, interlaced video is a serious problem…for visual effects because the speed changes,…transformations, tracking and filtering operations…don't work right.…
So let's take a look at what causes the problems…with interlaced video.…We'll start by understanding what progressive scan is about.…So I've made some little animations here…to help tell the story.…We'll start with progressive scan.…Each frame has the scan lines scanned out of the camera…one line at a time.…So there's one complete frame of picture for every frame…of a progressive scan.…In fact, this is very much like feature film.…One frame of film has one instant in time.…
One frame of progressive scan has one instant in time.…However, when you look over here…
Author
Steve Wright
Updated
8/17/2017Released
3/3/2016What kinds of NUKE tips do you need? Join the Steve Wright's NUKE NUGGETS group on LinkedIn, and post your requests there.
Skill Level Intermediate
Duration
Views
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Video: 017 How to work with interlaced video