Golaghazadeh, Firouzeh, Coulombe, Stéphane, Coudoux, François-Xavier et Corlay, Patrick.
2018.
« The impact of H.264 non-desynchronizing bits on visual quality and its application to robust video decoding ».
In 2018 12th International Conference on Signal Processing and Communication Systems (ICSPCS) (Cairns, Australia, Dec. 17-19, 2018)
Piscataway, NJ, USA : IEEE.
Compte des citations dans Scopus : 5.
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Résumé
In this paper, the concept of non-desynchronizing bits (NDBs) is defined in the context of H.264 video as a bit whose inversion does not cause desynchronization at the bitstream level or change the number of decoded macroblocks. We established that, on the whole, NDBs make up about a third (about 30 %) of a bitstream, and that their flipping effect on visual quality is mostly insignificant. In most cases (90 %), the PSNR value obtained when modifying an NDB is very close to the intact value. The performance of the proposed non-desync-based decoding framework, which retains a corrupted packet, under the condition of not causing desynchronization, has been compared to the JM-FC and a state-of-the-art concealment approach using the STBMA approach, and on average, respectively, provides 3.5 dB and 1.42 dB gain over them.
| Type de document: | Compte rendu de conférence |
|---|---|
| ISBN: | 978-1-5386-5602-0 |
| Éditeurs: | Éditeurs ORCID Wysocki, T. A. NON SPÉCIFIÉ Wysocki, B. J. NON SPÉCIFIÉ |
| Professeur: | Professeur Coulombe, Stéphane |
| Affiliation: | Génie logiciel et des technologies de l'information |
| Date de dépôt: | 08 avr. 2019 14:45 |
| Dernière modification: | 17 janv. 2020 15:42 |
| URI: | https://espace2.etsmtl.ca/id/eprint/18530 |
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