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What Compositing Technique Can Do in VFX

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".

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What Compositing Technique Can Do in VFX

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  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. 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 won’t see it.

  6. Lots of time, there are some flaws in footage that you didn’t 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.

  7. 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.

  8. 3. Editing Elements • We are often adding something that wasn’t 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.

  9. 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.

  10. 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 shouldn’t and you didn’t notice, or there is some prop broken.

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

  12. Thank You

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