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0041B - Video Field Order
published
0041B v2.0
Item image
FIELD ORDER
Field Order Artefacts
Visible Errors
Non Expected Field Order
Motion Errors, Field Mismatch
https://qc.ebu.io/items/0041B/versions/2-0-0/
Check
Report
Summary
EBU QC Id
0041B
Name
Video Field Order
Status
published
Category
subjective
Lead editor
Eric Carson
Aliases
field order field dominance
Tags
video
Versions
Version Status Edition date Saved by Note
Details
Definition
Used in Checks, the system shall detect the time segments with incorrect field order (different than the expected value provided in input). Optionally it may report the measured field-order and the mismatches.

Used in Reports, the system shall report the field order over the video timeline.
References
Examples

  • Input: "Field Order Expected" = upper field first
    Output: "Check Result" = false
    Output: "Field Order Mismatch Segment" = lower field first from 00:00:15:00 to 00:00:27:21
    Output: "Field Order Mismatch Segment" = lower field first from 00:01:24:01 to 00:01:33:21

    Remark: Used as a Check CheckResult == false means that the test failed because at least one segment was found with field order not matching the expected value.

  • Input: none
    Output: "Field Order Measurement Segment" = upper field first from 00:00:00:00 to 00:00:14:24
    Output: "Field Order Measurement Segment" = lower field first from 00:00:15:00 to 00:00:27:21
    :
    :
    Output: "Field Order Measurement Segment" = lower field first from 00:01:33:22 to 00:01:35:21

    Remark: Used as a Report

Input parameters
Name Default value Description Data model name Unit Locator
Output parameters
Name Alias Description Data model name Unit Locator
Test material
Title Version Download
Remarks
Remarks
This test item is to identify reversed field order artefacts which can appear as motion judder. Although accurate detection may be possible, some reported errors may require operator interpretation.
User discussions
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