Objective Video Quality Assessment Technology for Video Delivery Services (ITU-T Recommendation J.247)
- Technological fields
- Telecommunications Network Technologies
- Keyword
- IPTV
- QoE
- Standardization
- Laboratory organization
- NTT Service Integration Laboratories
Overview
To provide video delivery services to customers at an appropriate level of quality, we must design and manage services in consideration of the userfs quality of experience (QoE). This technology objectively estimates the userfs QoE by analyzing the video signal. It incorporates a visual psychology model that estimates perceptual video quality by comparing pixel information in a reference and in degraded video. It enables efficient operation/management, for example, by automating the current manual quality check to assess the coding video quality at the head end. This technology became an international standard (ITU-T Recommendation J.247) in August, 2008.
Features
- Estimates the user's QoE objectively
- Enables video quality assessment in consideration of content dependency
- Standardized as a ITU-T Recommendation J.247 (August 2008)
- Assesses video distortion caused by encoding and packet loss
- Enables software process to operate in real-time
Application scenarios
- Monitoring quality of real-time encoding at the head end
- Checking quality of archived video
- Performance testing for new services and systems
- Acceptance testing and parameter tuning of video delivery system
- Remote quality monitoring
