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Techniques A–Z

Status: A wiki-style index. Each entry says what the technique is, when to use it, and where it is explained in depth. Add entries by pull request.

Technique What it is Use when Read
Anticipation A small opposite move before the big move Any attack or reveal 06
Chroma key Removing a green or blue background by colour You have a screen and even light 03
Clean plate The same shot without the performer Prop removal, matte repair 02
COLMAP solve Automatic camera reconstruction from frames Handheld or moving shots 04
Conform Re-encoding to a constant frame rate Every phone clip, first 02
Contact shadow A shadow where the performer touches the virtual floor Every comp; floating is the top giveaway 05
Cut-in Pause, character panel, title slam, cut back on an impact Ultimate / special moves 06
Despill Removing screen colour reflected on the performer After every key 03
Glass-to-glass latency Time from real movement to the image on screen Live booths 07
Grey ball reference A grey sphere filmed on set to read light direction Matching light in Unreal 02
Hand-over masks A few painted mask keys an AI model propagates Hands crossing faces, several people 03
Hit stop Freezing 2–6 frames on impact Every hit you want to land 06
Hybrid matte Chroma key for the body, AI matte for hair and blur Wigs, lace, fast motion 03
Impact frames 1–3 inverted or white frames at a hit Anime-style action 06
Media Plate Unreal actor that plays footage in the level Getting a plate into UE 5.1+ 05
Nodal solve Rotation-only camera solve Tripod pans and tilts 04
On twos Holding each frame for two frames Snappy action beats 06
Parallax Near and far objects moving differently as the camera moves Needed for any 3D solve 02
Pixel Streaming Streaming Unreal output to a browser Remote rendering, browser booths 07
Side-by-side Raw plate next to final Showreels, pitch demos 06
Test cube A cube on the virtual floor to prove a track Every tracked shot, before comp 04
Title slam Move name scaling 120% → 100% with a flash Cut-ins, openers 06
Tracking markers Tape crosses on screen and floor Every tracked green-screen shot 02