Overview on Scalable Video Coding - II Chuan-Yu Cho.

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Presentation transcript:

Overview on Scalable Video Coding - II Chuan-Yu Cho

Outline HHI and MS SVC Codecs Scalable Video Model 3.0

SVC: 68th meeting 14 full proposals in two categories Category 1: MCTF/2D Wavelet Category 2: AVC based (incl. AVC/MCTF) Core Experiments (CE) Reference model (software) = the best performing scheme in each category Category 1: (MCTF/2DWT) Microsoft Research Asia Category 2: (AVC/MCTF) HHI Result of Core Experiments will be used for decision to adopt one complete codec architecture into the WD. From: NCTU 69th MPEG meeting report

HHI and MS SVC Codecs Chuan-Yu Cho

Motion Compensation Temporal Filtering (MCTF)

Wavelet tree with reduction of spatial size throughout the temporal levels

Motion Adaptive Filtering

Motion Compensation Temporal Filtering (MCTF)

Adaptive vs Non-adaptive MCTF

3D Sub-band Video Coding using Barbell lifting Status Proposal Source MSRA Asia IM group, MS CMPT group Authors Jizheng Xu, Ruiqin Xiong, Bo Feng, Gary Sullivan, Ming-Chieh Lee, Feng Wu, Shipeng Li

3-D Wavelet/Subband (Interframe Wavelet) Method Temporal Scalability Spatial Scalibility

Barbell lifting

Lifting scheme Prediction stage Update stage

L4: 256Kbps QCIF 15 L5: 512Kbps QCIF 15

L1: 48Kbps QCIF 7.5 L2: 64Kbps QCIF 15 L3: 128Kbps QCIF 15

Scalable Extension of H.264/AVC Status Proposal => SVM 3.0 Source Fraunhofer Institute for Telecommunications - Herinrich Hertz Institute (HHI) Authors Heiko Schwarz, Detlev Marpe, and Thomas Wiegand

HHI Joint Scalability

HHI Temporal Scalability

HHI SNR Scalability

HHI Joint Scalability

I P PIBB Layer 0 & kbps 48kbps

HHI Joint Scalability

PB (Up sample) 2 1

HHI Joint Scalability

Intra prediction for intra MB 2 1 Intra prediction for intra MB Inter Prediction H L 96Kbps

HHI Joint Scalability

4 3 SNR Scalability (QP) Temporal Scalability (Motion Compensation) H00H00 L21L21 L22L22

HHI Joint Scalability

4 3 SNR Scalability (QP) Temporal Scalability (Motion Compensation) H00H00 H21H21 H22H22

Scalable Video Model 3.0 Tomas Wiegand Fraunhofer Institute for Telecommunications – Heinrich Hertz Institute (HHI) To be published in VCIP ‘05

Outline

Introduction

MCTF using the Lifting Representation

Motion model of H.264/MPEG-4 AVC

Prediction and Update operators

Derivation of Update Operators

Temporal Coding Structure

Temporal Decomposition Structure

Impacts on H.264/MPEG-4 AVC

Simulation Results for the MCTF Extension

SNR-Scalable Extension

Adjustment of the Quantization Parameter

Impacts on H.264/MPEG-4 AVC

Results for Layered SNR-Scalability

Spatial Scalability

Spatial Prediction of Data

Results for Layered Combined Scalability

Fine Granular Scalability

Simulation Results: City

Simulation Results: Crew

Summary

References “MCTF and Scalability Extension of H.264/AVC and its Application to Video Transmission, Storage, and Surveillance” R. Schäfer, H. Schwarz, D. Marpe, T. Schierl, and T. Wiegand, Fraunhofer Institute for Telecommunications – Heinrich Hertz Institute (HHI) To be published at VCIP ‘05

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