H.264/AVC
http://image.nsysu.edu.tw/
Error Detection and Correction for H.264/AVC Using Hybrid
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* H.264/AVC
Error Detection and Correction for H.264/AVC Using Hybrid
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*H.264/AVC H.264/AVC - block- macroblock- slice- frame-
GOP(group of pictures)- video sequence
Error Detection and Correction for H.264/AVC Using Hybrid
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*Quant. Transf. coeffsMotionEstimationTransform &
Quant.-Input Video SignalIntra-frame PredictionOutput
VideoSignalDe-blockingFilterIntra Prediction DataEntropyCodingInv.
Quant & Inv. TransformMotion CompensationSplit
intoMacroblocks16x16 pixels+
Error Detection and Correction for H.264/AVC Using Hybrid
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*Quant. Transf. coeffsInter Prediction
DataMotionEstimationTransform & Quant.-Input Video
SignalDe-blockingFilterEntropyCodingInv. Quant & Inv.
TransformMotion CompensationSplit intoMacroblocks16x16
pixels+Output VideoSignal
Error Detection and Correction for H.264/AVC Using Hybrid
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*
Error Detection and Correction for H.264/AVC Using Hybrid
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* [Barni, 2000] VLC table entry
Error Detection and Correction for H.264/AVC Using Hybrid
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* :
:
:
Error Detection and Correction for H.264/AVC Using Hybrid
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*[Woonki Park, 2002] - 4
Error Detection and Correction for H.264/AVC Using Hybrid
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*[Adsumilli, 2005]
Error Detection and Correction for H.264/AVC Using Hybrid
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*Quant. Transf. coeffsInter Prediction
DataIntra/InterDecoderMotionEstimation-Input Video
SignalIntra-frame PredictionOutput
VideoSignalDe-blockingFilterIntra Prediction DataEntropyCodingInv.
Quant & Inv. TransformMotion CompensationSplit
intoMacroblocks16x16 pixels+Watermark EmbeddingTransform &
Quant.
Error Detection and Correction for H.264/AVC Using Hybrid
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* 1 0
(A, B) 1A > B 0A 16 = 110 => 010 => 12, 42 = 010 =>
14 = 100 => 111 => 0
Error Detection and Correction for H.264/AVC Using Hybrid
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* 15 pixels
Error Detection and Correction for H.264/AVC Using Hybrid
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*
0 1
Error Detection and Correction for H.264/AVC Using Hybrid
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* :
Error Detection and Correction for H.264/AVC Using Hybrid
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* JM 11.0Container, Silent, ForemanQCIF, YUV420 :300, 300,
400Sequence TypeI B P B PGOP15 framesSearch Range 15 pixels
Gilbert-Elliot BER3*10-4, 5*10-4, 8*10-4
Error Detection and Correction for H.264/AVC Using Hybrid
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* Foreman (400 frames)PSNR 41.0 : 38.5 (dB)
Error Detection and Correction for H.264/AVC Using Hybrid
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* PSNR 29.6 : 33.6 (dB) PSNR 85.4 : 21.7BER: 5*10-4
Error Detection and Correction for H.264/AVC Using Hybrid
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*
Average PSNR
(dB)ContainerSilentForemanPSNRPSNRPSNRCompressed42.70.0242.00.0441.00.4Compressed
+ Watermarking39.21.739.30.538.50.8BER:
3*10-4Damaged30.163.626.562.027.470.4Concealed36.312.635.213.032.821.5BER:
5*10-4Damaged32.548.632.167.029.685.4Concealed37.210.436.413.133.621.7BER:
8*10-4Damaged36.564.634.067.829.972.1Concealed38.74.138.25.434.017.8
Error Detection and Correction for H.264/AVC Using Hybrid
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