0203B - Combing
v1.0
published
0203B
v1.0
COMBING
Combing
Interlace Leftover
No Combing
Location
https://qc.ebu.io/items/0203B/versions/1-0-0/
Check
Report
Summary
- EBU QC Id
- 0203B
- Name
- Combing
- Status
- published
- Category
- human-only review
- Lead editor
- Annabel Polanco
- Aliases
- Conversion Error Shot change detection error framre rate conversion error de-interlacing error
- Tags
- video conversion issues de-interlacing error
Versions
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Details
- Description
- In progressive content “Combing” is an interlacing artifact which may result from an incorrect frame rate conversion or from incorrect 3/2 pull-down removal that does not fully remove interlaced frames. In this case Combing is a very visible issue that is exacerbated by motion on screen. This creates a very poor customer experience, as the eye is drawn to the object edges on screen and the viewer is removed from the story.
- Definition
- Used in Checks, the system shall verify if the video contains material which shows combing. Optionally, the system may report the location(s) of the combing detected.
Used in Reports, the system shall report the location(s) of material showing combing. - References
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- Examples
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Output: "Check Result" = false
Output: "Combing Segment" from 00:00:34;00 to 00:34:11;00Remark: Used as a Check.
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Output: "Combing Segment" from 00:00:34;00 to 00:34:11;00
Remark: Used as a Report.
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Input parameters
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Output parameters
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Test material
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Remarks
- Remarks
User discussions
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