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VQEG HDTV Scene Pool 3 Summary Acreo Ghent University – IBBT NTIA

VQEG HDTV Scene Pool 3 Summary Acreo Ghent University – IBBT NTIA

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Page 1: VQEG HDTV Scene Pool 3 Summary Acreo Ghent University – IBBT NTIA

VQEG HDTVScene Pool 3 Summary

AcreoGhent University – IBBTNTIA

Page 2: VQEG HDTV Scene Pool 3 Summary Acreo Ghent University – IBBT NTIA

SRCs – 1080p @ 30fps

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AspenClose-up of leaves & treesLittle camera zoom-outFast switching between different treesWind makes leaves move

Elephants DreamElevator sceneCabin is thrown in the airRapid movementsFast camera motion

Basketball pointStill cameraPeople movingThrow of the ball

Page 3: VQEG HDTV Scene Pool 3 Summary Acreo Ghent University – IBBT NTIA

SRCs – 1080p @ 30fps

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Halftime showStill cameraMusicians forming rows and walking toward each otherFlags thrown in the air

Fox & BirdCartoonFox running towards birdFast camera movements

Zoom, Panning

Music VideoStill cameraBirdcage with objects + very colorful feathersTurning around on a plateWind makes feathers move

Page 4: VQEG HDTV Scene Pool 3 Summary Acreo Ghent University – IBBT NTIA

SRCs – 1080p @ 30fps

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Speed bagClose-up of speed bagPerson hitting speed bagStill cameraChanging viewpoints

TouchdownAmerican football rushPeople running aroundFast camera movement

CloudsSlow camera panBanner with scrolling poem at the bottom

Page 5: VQEG HDTV Scene Pool 3 Summary Acreo Ghent University – IBBT NTIA

HRC Creation

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Encoding

Streaming

Decoding

SRC

PVS

MPEG-2H.264/AVC

xStreamer(with/without packet loss)

Page 6: VQEG HDTV Scene Pool 3 Summary Acreo Ghent University – IBBT NTIA

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

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Page 7: VQEG HDTV Scene Pool 3 Summary Acreo Ghent University – IBBT NTIA

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

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Page 8: VQEG HDTV Scene Pool 3 Summary Acreo Ghent University – IBBT NTIA

MPEG-2 Streaming

MPEG Transport Stream (TS) over RTP

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Page 9: VQEG HDTV Scene Pool 3 Summary Acreo Ghent University – IBBT NTIA

H.264/AVC Streaming

H.264/AVC over RTP Packetization according to RFC3984

No aggregation

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Page 10: VQEG HDTV Scene Pool 3 Summary Acreo Ghent University – IBBT NTIA

Decoding

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

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Page 11: VQEG HDTV Scene Pool 3 Summary Acreo Ghent University – IBBT NTIA

ILGs

HRC Creation Acreo Ghent University – IBBT NTIA

Subjective Test Acreo

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Page 12: VQEG HDTV Scene Pool 3 Summary Acreo Ghent University – IBBT NTIA

Summary

Test Lab HRC # Codec Bit Rate Frame Rate PLR OtherHDTVPool3 Ghent University – IBBT 0 None - 30 - Reference

HDTVPool3 Ghent University – IBBT 2 MPEG-2 10 Mbps 30 0,015 % Bursty

HDTVPool3 Ghent University – IBBT 4 H.264 15 Mbps 30 - Coding only

HDTVPool3 Ghent University – IBBT 5 MPEG-2 5 Mbps 30 0,30 % Bursty

HDTVPool3 Ghent University – IBBT 7 H.264 10 Mbps 30 - Coding only

HDTVPool3 Ghent University – IBBT 8 H.264 10 Mbps 30 0,015 % Bursty

HDTVPool3 Ghent University – IBBT 9 H.264 5 Mbps 30 0,024 % Bursty

HDTVPool3 Ghent University – IBBT 10 H.264 5 Mbps 30 0,30 % Bursty

HDTVPool3 Ghent University – IBBT 12 H.264 3 Mbps 30 0,035 % Bursty

HDTVPool3 Ghent University – IBBT 13 H.264 3 Mbps 30 0,50 % Bursty

Test Lab HRC # Codec Bit Rate Frame Rate PLR VBR imum BitrateHDTVPool3 NTIA 16 H.264 1.0 Mbps 30 0% 3.0 Mbps

HDTVPool3 NTIA 17 H.264 1.2 Mbps 30 0% 2.5 Mbps

HDTVPool3 NTIA 18 H.264 1.5 Mbps 30 0% 2.5 Mbps

HDTVPool3 NTIA 19 H.264 2.25 Mbps 30 0% 5.5 Mbps

HDTVPool3 NTIA 20 H.264 3.4 Mbps 30 0% 7.0 Mbps

HDTVPool3 NTIA 21 H.264 5.0 Mbps 30 0% 15.0 Mbps

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