Conference contribution
(Original article)


LLV1: Layered Lossless Video Format Supporting Multimedia Servers During Realtime Delivery


Publication Details
Author(s): Militzer M, Suchomski M, Meyer-Wegener K
Title edited volumes: Proceedings of SPIE - The International Society for Optical Engineering
Publisher: International Society for Optical Engineering; 1999
Publication year: 2005
Title of series: Proc. SPIE
Volume: 6015
Conference Proceedings Title: Multimedia Systems and Applications VIII
Pages range: 60151A
ISSN: 0277-786X

Event details
Event: SPIE Optics East 2005
Event location: Boston, Massachusetts, USA
Start date of the event: 24/10/2005
End date of the event: 26/10/2005
Language: English

Abstract

For multimedia servers, data independence is as beneficial as it is for databases. It means that users access the data without referring to the storage format, and the server returns them in many different formats and qualities. The storage format can then be chosen at will, and it should be selected to support a large variety of accesses. When looking at video, some of the accesses even require real-time processing. LLV1 is a layered video format for storing videos without loss of information. Its layers can be read separately, so that scalability is achieved in terms of bandwidth and computational resources. LLV1 has been developed on the basis of XviD, a state-of-the-art implementation of the MPEG-4 Part 2 standard, and is designed for use in multimedia servers to facilitate real-time format conversions, a requirement to reach data-independent access to media objects. Thus, XviD's advantages in efficient video compression are inherited by LLV1. Orthogonality of the layering is provided by the different enhancement layers in respect to temporal resolution and spatial properties. The compression efficiency is comparable to other lossless formats, however only LLV1 provides scalability features, which can be exploited in real-time processing. Moreover, the scalable design of the decompression algorithm allows for adaptable execution and thus makes QoS control possible. Additionally, the coding algorithm is asymmetric, which further reduces the computational requirements for delivering the multimedia content from storage to the end user.



How to cite
APA: Militzer, M., Suchomski, M., & Meyer-Wegener, K. (2005). LLV1: Layered Lossless Video Format Supporting Multimedia Servers During Realtime Delivery. In Multimedia Systems and Applications VIII (pp. 60151A). Boston, Massachusetts, USA: International Society for Optical Engineering; 1999.

MLA: Militzer, Michael, Maciej Suchomski, and Klaus Meyer-Wegener. "LLV1: Layered Lossless Video Format Supporting Multimedia Servers During Realtime Delivery." Proceedings of the SPIE Optics East 2005, Boston, Massachusetts, USA International Society for Optical Engineering; 1999, 2005. 60151A.

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