- EBU QC Id
- 0176B
- Name
- Chroma Contamination
- Status
- published
- Category
- human-only review
- Lead editor
- Annabel Polanco
- Aliases
- Tags
- vfx chroma green screen vfx mattes
Version | Status | Edition date | Saved by | Note |
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- Description
- Chroma Contamination is the improper bleeding of colour values adjacent to each other in the frame, causing the intended colour value to shift.
- Definition
- Used in Checks, the system shall review content for chroma contamination. Optionally it may report the time location and position of the contamination in the frame.
Used in Reports, the system shall report timecode(s) at which chroma contamination exists and the position in the frame. - References
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- Examples
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Output: "Check Result" = false
Output: "Chroma Contamination Segment" from 00:00:30;00 to 00:30:05;00, SpatialRegion xywh=pixel:160,120,320,240
Output: "Chroma Contamination Segment" from 00:00:34;00 to 00:34:11;00, SpatialRegion xywh=pixel:1020,460,300,140Remark: Used as a Check.
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Output: "Chroma Contamination Segment" from 00:00:30;00 to 00:30:05;00, SpatialRegion xywh=percent:50,50,50,50
Output: "Chroma Contamination Segment" from 00:00:34;00 to 00:34:11;00, SpatialRegion xywh=percent:50,50,50,50Remark: Used as a Report. Note the Spatial Region here refers to the bottom-right quadrant of the image.
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- Remarks
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