| 视频内容的分维主观质量评估 |
ITU-T P.918建议书提出了评估感知视频质量维度体验质量（QoE）的主观实验指南。除整体视频质量得分之外，该方法还针对五个感知维度评分。各感知维度的得分均基于系统/测试条件存在的退化量评级。这种方法的设计是针对不知情的受试者。维度分数可用于提供可能导致退化的诊断信息。
本建议书阐述了感知维度以及进行主观实验的方法。此外，还提供了关于可能的测试环境和设置、参与者说明以及测试材料的信息。 |
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| Citation: |
https://handle.itu.int/11.1002/1000/14153 |
| Series title: |
P series: Telephone transmission quality, telephone installations, local line networks
P.900-P.999: Audiovisual quality in multimedia services |
| Approval date: |
2020-01-13 |
| Provisional name: | P.VQD |
| Approval process: | AAP |
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Status: |
In force |
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Maintenance responsibility: |
ITU-T Study Group 12 |
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Further details: |
Patent statement(s)
Development history
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| Ed. |
ITU-T Recommendation |
Status |
Summary |
Table of Contents |
Download |
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1
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P.918 (01/2020)
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In force
|
here
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here
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here
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ITU-T Supplement
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Title
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Status
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Summary
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Table of contents
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Download
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P Suppl. 10 (11/1988)
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Considerations relating to transmission characteristics for analogue handset telephones
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In force
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-
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here
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here
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P Suppl. 16 (11/1988)
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Guidelines for placement of microphones and loudspeakers in telephone conference rooms and for group audio terminals (GATs)
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In force
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-
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here
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here
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P Suppl. 20 (03/1993)
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Examples of measurements of handset receive-frequency responses: dependence on earcap leakage losses
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In force
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-
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here
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here
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P Suppl. 23 (02/1998)
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ITU-T coded-speech database
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In force
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here
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here
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here
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P Suppl. 24 (10/2005)
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Parameters describing the interaction with spoken dialogue systems
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In force
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here
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here
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here
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P Suppl. 25 (01/2011)
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Parameters describing the interaction with multimodal dialogue systems
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In force
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here
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here
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here
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P Suppl. 26 (09/2017)
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Scenarios for the subjective evaluation of audio and audiovisual multiparty telemeeting quality
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In force
|
here
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here
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here
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P Suppl. 28 (09/2020)
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Considerations for the development of new QoS and QoE related objective models to be embedded in Recommendations prepared by ITU-T Study Group 12
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In force
|
here
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here
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here
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P Suppl. 31 (01/2025)
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Subjective quality evaluation of audiovisual communication in videotelephony services
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In force
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here
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here
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here
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