A Comparative Study of the Whitening Methods in Linear Video Coding and Transmission Schemes
Hind Kanj
(1)
,
Anthony Trioux
(2, 1)
,
François-Xavier Coudoux
(1, 2)
,
M Gharbi
(2, 1)
,
Patrick Corlay
(2, 1)
,
Michel Kieffer
(3)
Anthony Trioux
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- PersonId : 748135
- IdHAL : anthony-trioux
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François-Xavier Coudoux
- Fonction : Auteur
- PersonId : 750718
- IdHAL : francois-xavier-coudoux
- ORCID : 0000-0002-5817-7429
- IdRef : 119202638
M Gharbi
- Fonction : Auteur
- PersonId : 751554
- IdHAL : mohamed-gharbi
- ORCID : 0000-0003-3777-4336
- IdRef : 189082895
Patrick Corlay
- Fonction : Auteur
- PersonId : 751561
- IdHAL : patrick-corlay
- ORCID : 0000-0002-3407-8805
- IdRef : 169176541
Michel Kieffer
- Fonction : Auteur
- PersonId : 14894
- IdHAL : michel-kieffer
- ORCID : 0000-0002-1049-3123
- IdRef : 088689549
Résumé
Linear Video Coding and Transmission (LVCT) schemes, pioneered by the SoftCast architecture, have been recently proposed as an alternative solution for wireless broadcast applications where users may experience severe channel quality fluctuations. LVCT schemes offer a graceful video quality adaptation to the user experienced channel quality. This is made possible by relying on linear operators only (decorrelation transform, power allocation, whitening). The LVCT whitening process aims at reducing the impact of slice loss in presence of fades. It is mainly performed by Hadamard transform which is not adapted to all input sizes. Although alternatives to the Hadamard transform have been proposed in the literature, no performance comparison has been performed. In this paper, we compare the performance of SoftCast using three different whitening matrices, namely, Hadamard, Inverse Discrete Cosine Transform (IDCT) and Random matrices. Three scenarios are considered for the comparison: no packet loss, random packet losses and bursty packet losses. Simulation results confirm that these matrices offer similar reconstructed video quality in a lossless scenario, while whitening using a random orthogonal matrix outperforms whitening using Hadamard or IDCT matrices in all lossy scenarios.
Domaines
Sciences de l'ingénieur [physics]Format du dépôt | Notice |
---|---|
Type de dépôt | Communication dans un congrès |
Titre |
en
A Comparative Study of the Whitening Methods in Linear Video Coding and Transmission Schemes
|
Résumé |
en
Linear Video Coding and Transmission (LVCT) schemes, pioneered by the SoftCast architecture, have been recently proposed as an alternative solution for wireless broadcast applications where users may experience severe channel quality fluctuations. LVCT schemes offer a graceful video quality adaptation to the user experienced channel quality. This is made possible by relying on linear operators only (decorrelation transform, power allocation, whitening). The LVCT whitening process aims at reducing the impact of slice loss in presence of fades. It is mainly performed by Hadamard transform which is not adapted to all input sizes. Although alternatives to the Hadamard transform have been proposed in the literature, no performance comparison has been performed. In this paper, we compare the performance of SoftCast using three different whitening matrices, namely, Hadamard, Inverse Discrete Cosine Transform (IDCT) and Random matrices. Three scenarios are considered for the comparison: no packet loss, random packet losses and bursty packet losses. Simulation results confirm that these matrices offer similar reconstructed video quality in a lossless scenario, while whitening using a random orthogonal matrix outperforms whitening using Hadamard or IDCT matrices in all lossy scenarios.
|
Auteur(s) |
Hind Kanj
1
, Anthony Trioux
2, 1
, François-Xavier Coudoux
1, 2
, M Gharbi
2, 1
, Patrick Corlay
2, 1
, Michel Kieffer
3
1
IEMN -
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520
( 1066983 )
- [Univ. Lille, CNRS, Centrale Lille Institut, Junia, Univ. Polytechnique Hauts-de-France] ––
Laboratoire Central – Cité Scientifique – Avenue Poincaré – CS 60069 – 59652 VILLENEUVE D’ASCQ CEDEX
- France
2
COMNUM - IEMN -
COMmunications NUMériques - IEMN
( 1066999 )
- Groupe COMNUM - IEMN
- (Advanced Communication Systems Group)
- Bâtiment Lottmann - UPHF Campus Mont Houy - 59313 Valenciennes Cedex 9
- France
3
L2S -
Laboratoire des signaux et systèmes
( 1051117 )
- Plateau de Moulon 3 rue Joliot Curie 91192 GIF SUR YVETTE CEDEX
- France
|
Langue du document |
Anglais
|
Vulgarisation |
Non
|
Comité de lecture |
Oui
|
Invité |
Non
|
Audience |
Internationale
|
Actes |
Oui
|
Date de publication |
2022
|
Page/Identifiant |
1-6
|
Titre du congrès |
2022 11th International Symposium on Signal, Image, Video and Communications (ISIVC)
|
Date début congrès |
2022-05-18
|
Date fin congrès |
2022-05-20
|
Ville |
El Jadida
|
Pays |
Maroc
|
Domaine(s) |
|
Éditeur commercial |
|
Projet(s) ANR |
|
Financement |
|
Mots-clés |
en
Wireless Video Transmission, Linear Video Coding and Transmission (LVCT), SoftCast, Hadamard, Packet loss
|
DOI | 10.1109/ISIVC54825.2022.9800738 |
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