What Compositing Technique Can Do in VFX - PowerPoint PPT Presentation

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What Compositing Technique Can Do in VFX

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Compositing Technique is the combining of visual elements from separate sources into single images, often to create the illusion that all those elements are parts of the same scene. Live-action shooting for compositing is variously called "chroma key", "green screen" and "blue screen". – PowerPoint PPT presentation

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Title: What Compositing Technique Can Do in VFX


1
What Compositing Technique Can Do in VFX
2
Index
  • Visual Effect Animation
  • What Compositing Technique Can Do in VFX
  • 1. Clean Up
  • 2. Lighting Adjustment/Color Correcting
  • 3. Editing Elements
  • 4. And Whole Lot More

3
Visual Effect Animation
  • People think that VFX is the same as 3D
    Animation.
  • But the fact is compositing technique, which is
    in the 2D department is the most common Visual
    Effect.
  • VFX technique is applied in almost every film. If
    the shot has 3D objects, compositing is the last
    step to put all the elements together.

4
  • In many cases, compositors have to key all the
    green/blue screen, sometimes do the tracking, get
    all the different 3D elements from other team
    members, put those together and do all the
    necessary fixing and adjustments.
  • In this PPT we discuss what compositing technique
    we can do.

5
(No Transcript)
6
1. Clean Up
  • If you need your actor flying, doing some
    dangerous action, or standing up high somewhere,
    for safety reasons, it is better to hang the
    actor on a wire to prevent any major injuries.
  • Now you will need a compositor to help you remove
    the wires so your audience wont see it.

7
  • Lots of time, there are some flaws in footage
    that you didnt notice.
  • Such as stains, undesirable reflections and
    random things like lighting gear and set up
    equipment that often gets in a shot and needs to
    be removed.

8
2. Lighting Adjustment/Color Correcting
  • The most common is turning day to night.
  • Shooting at night time or low light is not easy
    and hard to control.
  • The solution is filming it in the daytime and
    then color correct it to night time color and
    lighting.

9
3. Editing Elements
  • We are often adding something that wasnt there
    when you are shooting such as snow, rain, debris,
    flashing lights, blood, smoke, fog, lens-flare,
    etc.
  • If you need a snowy day in the scene, instead of
    waiting for it to snow and trying to shoot in a
    low visibility situation, adding snow later in
    postproduction will save lots of trouble.

10
  • Or if your character needs to shoot somebody with
    a gun in the head, you will need a vfx team to
    add blood spraying and muzzle flashes.

11
4. And Whole Lot More
  • You might want to de-focus the background or
    other characters in the shot or make something
    stand out better.
  • It is common for compositing (Compositing Editing
    Plus).
  • Or your actor blinks his eyes when he shouldnt
    and you didnt notice, or there is some prop
    broken.

12
  • All these small issues you might not notice when
    on set but stand out later.

13
Thank You
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