Result: Systematic lossy error protection versus layered coding with unequal error protection

Title:
Systematic lossy error protection versus layered coding with unequal error protection
Authors:
RANE, Shantanu, GIROD, Bernd
Source:
Image and video communications and processing 2005 (San Jose CA, 18-20 January 2005)SPIE proceedings series. :663-671
Publisher Information:
Bellingham WA: SPIE, 2005.
Publication Year:
2005
Physical Description:
print, 28 ref 2
Original Material:
INIST-CNRS
Subject Terms:
Electronics, Electronique, Computer science, Informatique, Optics, Optique, Physics, Physique, Telecommunications, Télécommunications, Sciences exactes et technologie, Exact sciences and technology, Sciences appliquees, Applied sciences, Telecommunications et theorie de l'information, Telecommunications and information theory, Théorie de l'information, du signal et des communications, Information, signal and communications theory, Théorie du signal et des communications, Signal and communications theory, Signal, bruit, Signal, noise, Détection, estimation, filtrage, égalisation, prédiction, Detection, estimation, filtering, equalization, prediction, Codage, codes, Coding, codes, Traitement du signal, Signal processing, Traitement des images, Image processing, Télécommunications, Telecommunications, Systèmes, réseaux et services de télécommunications, Systems, networks and services of telecommunications, Transmission et modulation (techniques et équipements), Transmission and modulation (techniques and equipments), Codage canal, Channel coding, Codage image, Image coding, Codage vidéo, Video coding, Compression donnée, Data compression, Compresión dato, Compression image, Image compression, Compresión imagen, Correction erreur, Error correction, Corrección error, Dégradation, Degradation, Degradación, Détection erreur, Error detection, Detección error, Erreur codage, Coding errors, Erreur systématique, Bias, Error sistemático, Erreur transmission, Transmission error, Error transmisión, Evaluation performance, Performance evaluation, Evaluación prestación, Extensibilité, Scalability, Estensibilidad, Milieu dissipatif, Lossy medium, Medio dispersor, Qualité image, Image quality, Calidad imagen, Segmentation image, Image segmentation, Signal vidéo, Video signal, Señal video, Taux perte, Loss rate, Porcentaje pérdida, Théorie vitesse distorsion, Rate distortion theory, Traitement image, Image processing, Procesamiento imagen, Traitement signal vidéo, Video signal processing, Transmission information, Information transmission, Transmisión información, Vidéodiffusion numérique, Digital video broadcasting, Problème Wyner Ziv, Wyner Ziv problem
Document Type:
Conference Conference Paper
File Description:
text
Language:
English
Author Affiliations:
Department of Electrical Engineering, Stanford University, Stanford, CA 94305, United States
Access URL:
http://pascal-francis.inist.fr/vibad/index.php?action=search&terms=17027822
Rights:
Copyright 2005 INIST-CNRS
CC BY 4.0
Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d’une licence CC BY 4.0 Inist-CNRS / Unless otherwise stated above, the content of this bibliographic record may be used under a CC BY 4.0 licence by Inist-CNRS / A menos que se haya señalado antes, el contenido de este registro bibliográfico puede ser utilizado al amparo de una licencia CC BY 4.0 Inist-CNRS
Notes:
Telecommunications and information theory
Accession Number:
edscal.17027822
Database:
PASCAL Archive

Further Information

In this paper we compare two schemes for error-resilient video transmission, viz., systematic lossy error protection, and scalable coding with unequal error protection. In the first scheme, the systematic portion consists of the compressed video signal transmitted without channel coding. For error-resilience, an additional bitstream generated by Wyner-Ziv encoding of the video signal is transmitted. In the event of channel errors. the Wyner-Ziv description is decoded using the error-prone systematic description as side-information. In the second scheme, the video bitstream is partitioned into two or more layers, and each layer is assigned different amounts of parity information depending upon its relative significance. Since the base layer has heavy protection, a certain minimum video quality is guaranteed at the receiver. We compare experimentally, the performance of the competing schemes, for a particular application, i.e., Error-resilient digital video broadcasting. It is shown that systematic lossy error protection ensures graceful degradation of video quality without incurring the loss in rate-distortion performance characteristic of practical layered video coding schemes.