matte

Compositing sense confirmation

Treat the compositing interpretation as provisional until the registry's originating record or equivalent evidence identifies the intended meaning.

1. Does the originating record identify matte as an image-making concept, a surface property, or a material? definition
2. Which registry source supports the selected interpretation of vr.tr.matte? provenance

Admission intent

Record which image contribution should survive, which should disappear, and where partial contribution is intended.

1. Which element does this matte reveal or suppress? definition
2. Which regions must remain fully admitted, fully excluded, or intermediate? boundary

Alpha or luminance driver

Digital track mattes can derive transparency from alpha or luminance; the selected driver must be recorded. [Adobe track matte documentation](https://helpx.adobe.com/after-effects/desktop/work-with-transparency-and-compositing/work-with-track-mattes-and-traveling-mattes/track-mattes-and-traveling-mattes.html).

1. Which channel or derived signal supplies this matte's control values? definition
2. If luminance drives the matte, which conversion and image-processing settings determine that luminance? measurement

Interpretable control range

Require an explicit mapping from stored values to contribution, including whether intermediate values represent intended softness, partial coverage, transparency, or another documented effect.

1. Which stored values mean complete admission and complete suppression? measurement
2. What do intermediate values mean for this matte, and should they be preserved during refinement? action

Source and generation method

Identify source imagery and whether the matte was drawn, keyed, rendered, inferred, or produced through another documented process.

1. Which source frames or scene elements were used to produce this matte? provenance
2. Which generation method and subsequent manual corrections established the current boundary? provenance

Image and frame alignment

Record the coordinate mapping and time mapping needed to apply the matte to the intended source revision.

1. Do crop, resolution, pixel aspect ratio, and transforms align the matte with the controlled imagery? measurement
2. Which frame offset, timebase, or retiming maps the matte sequence to the shot? measurement
3. Which source changes require realignment or regeneration? action

Region-specific defects

Assess solid interiors separately from hair, fine structures, blurred contours, and intentionally translucent regions.

1. Where does the matte remove required detail or retain unwanted background? boundary
2. Which intermediate regions are intentional, and which are leakage or accidental holes? measurement
3. Would edge expansion, contraction, or feathering repair the defect without damaging required detail? action

Motion and occlusion consistency

Judge boundary changes against the source sequence rather than assuming that smoother motion is always more accurate.

1. Where do matte edges chatter, lag, or jump without corresponding source-image changes? measurement
2. Does the matte follow appearances, disappearances, and occlusions at the correct frames? boundary
3. Which frames need local correction rather than smoothing across the whole sequence? action

Transparency interaction

Record the compositing operation, treatment of existing transparency, and any other mattes that alter the result.

1. Does the operation replace, multiply, or otherwise combine the matte with existing transparency? definition
2. Which other mattes or masks affect the same region, and in what order? relation
3. Could an observed fringe originate in the foreground color or alpha interpretation rather than the matte boundary? boundary

Demonstrated fitness

Require review evidence that distinguishes an available matte from one accepted for a specified use.

1. Which diagnostic backgrounds and target-composite previews were inspected at the intended output resolution? provenance
2. Which remaining defects are acceptable for this use, and who established that judgment? boundary
3. Should the matte be applied, refined, regenerated, or withheld from the final composite? action

Check these first

Recalled without web access and unsourced; every item is a lead to verify.

1. Which of these check these first hold for the sense of matte this model covers, and on what evidence? provenance

Kinds and varieties

Recalled without web access and unsourced; every item is a lead to verify.

1. Which of these kinds and varieties hold for the sense of matte this model covers, and on what evidence? provenance

Real-world use

Recalled without web access and unsourced; every item is a lead to verify.

1. Which of these real-world use hold for the sense of matte this model covers, and on what evidence? provenance

Typical measurements

Recalled without web access and unsourced; every item is a lead to verify.

1. Which of these typical measurements hold for the sense of matte this model covers, and on what evidence? provenance

Failure modes and hazards

Recalled without web access and unsourced; every item is a lead to verify.

1. Which of these failure modes and hazards hold for the sense of matte this model covers, and on what evidence? provenance

Neighbouring kinds and how to tell them apart

Recalled without web access and unsourced; every item is a lead to verify.

1. Which of these neighbouring kinds and how to tell them apart hold for the sense of matte this model covers, and on what evidence? provenance