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VQEG HDTV Scene Pool 3 Summary

VQEG HDTV Scene Pool 3 Summary. Acreo Ghent University – IBBT NTIA. SRCs – 1080p @ 30fps. Aspen Close-up of leaves & trees Little camera zoom-out Fast switching between different trees Wind makes leaves move. Basketball point Still camera People moving Throw of the ball.

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VQEG HDTV Scene Pool 3 Summary

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  1. VQEG HDTVScene Pool 3 Summary Acreo Ghent University – IBBT NTIA

  2. SRCs – 1080p @ 30fps • Aspen • Close-up of leaves & trees • Little camera zoom-out • Fast switching between different trees • Wind makes leaves move • Basketball point • Still camera • People moving • Throw of the ball • Elephants Dream • Elevator scene • Cabin is thrown in the air • Rapid movements • Fast camera motion

  3. SRCs – 1080p @ 30fps • Fox & Bird • Cartoon • Fox running towards bird • Fast camera movements • Zoom, Panning • Halftime show • Still camera • Musicians forming rows and walking toward each other • Flags thrown in the air • Music Video • Still camera • Birdcage with objects + very colorful feathers • Turning around on a plate • Wind makes feathers move

  4. SRCs – 1080p @ 30fps • Speed bag • Close-up of speed bag • Person hitting speed bag • Still camera • Changing viewpoints • Clouds • Slow camera pan • Banner with scrolling poem at the bottom • Touchdown • American football rush • People running around • Fast camera movement

  5. HRC Creation SRC Encoding MPEG-2 H.264/AVC Streaming xStreamer (with/without packet loss) Decoding PVS

  6. Encoding • MPEG-2 • Encoded with ffmpeg • Bitrates: 5 & 10 Mbps • H.264/AVC • Encoded with ffmpeg • Bitrates: 3, 5, 10 & 15 Mbps • Encoded by NTIA • Bitrates: 1, 1.2, 1.5, 2.25, 3.4 & 5 Mbps

  7. Streaming • Based on xStreamer • In-house developed Modular Multimedia Streamer • Allows offline simulation of network impairments(packet loss) • Packet loss injection • Based on a Gilbert-Elliott model • Bursty loss

  8. MPEG-2 Streaming • MPEG Transport Stream (TS) over RTP

  9. H.264/AVC Streaming • H.264/AVC over RTP • Packetization according to RFC3984 • No aggregation

  10. Decoding • Decoding using libavcodec • Only correct received frames are decoded • Dropped frames replaced by frame freeze

  11. ILGs • HRC Creation • Acreo • Ghent University – IBBT • NTIA • Subjective Test • Acreo

  12. Summary

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