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dc.contributor.authorCordina, Mario
dc.contributor.authorDebono, Carl James
dc.identifier.citationCordina, M., & Debono, C. J. (2013). An adaptive Lagrange multiplier technique for multi-view video plus depth coding. Picture Coding Symposium (PCS), San Jose. 249-252.en_GB
dc.description.abstractThe characteristics of the depth map video are different from those of the texture and thus the empirical function of the Lagrange multiplier λ normally used in the rate-distortion optimization (RDO) of texture views might not be suitable for depth map coding. In this paper, we propose a technique whereby the Lagrange multiplier used to select the macroblock (MB) mode is adapted based on the discontinuity region of the depth map and the frame type. This technique, which was tested on various standard test sequences, preserves the depth discontinuities leading to an average depth map bit rate saving of 12.5% without incurring significant quality degradation in the synthesized views compared to using the fixed Lagrange multiplier used in the respective multi-view texture videos.en_GB
dc.publisherIEEE Computer Societyen_GB
dc.subjectVideo compression -- Standardsen_GB
dc.subjectRate distortion theoryen_GB
dc.subject3-D video (Three-dimensional imaging)en_GB
dc.subjectLagrangian functionsen_GB
dc.titleAn adaptive Lagrange multiplier technique for multi-view video plus depth codingen_GB
dc.rights.holderThe copyright of this work belongs to the author(s)/publisher. The rights of this work are as defined by the appropriate Copyright Legislation or as modified by any successive legislation. Users may access this work and can make use of the information contained in accordance with the Copyright Legislation provided that the author must be properly acknowledged. Further distribution or reproduction in any format is prohibited without the prior permission of the copyright holder.en_GB
dc.bibliographicCitation.conferencenamePicture Coding Symposium (PCS)en_GB
dc.bibliographicCitation.conferenceplaceSan Jose, United States, 2013en_GB
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