NDLI: Inter view motion vector prediction in multiview HEVC

Content Provider	IEEE Xplore Digital Library
Author	Sansli, D.B. Ugur, K. Hannuksela, M.M. Gabbouj, M.
Copyright Year	2014
Description	Author affiliation: Tampere Univ. of Technol., Tampere, Finland (Sansli, D.B.; Gabbouj, M.) \|\| Nokia Res. Center, Tampere, Finland (Ugur, K.; Hannuksela, M.M.)
Abstract	In multiview coding, motion information of different views forming the multiview video is correlated. The multiview extension of High Efficiency Video Coding (MV-HEVC) that is currently under development is defined to allow multi-view coding with minimal changes to HEVC. This is realized by simply adding the reconstructed base view picture to the reference picture list of the dependent views. MV-HEVC specification is restricted from low-level operations with motion information, thus redundancy in motion information between views is not utilized. This paper proposes to use the temporal motion vector prediction mechanism of HEVC to enable the prediction of motion vectors from the inter-view reference picture; similar to the concept of Motion Field Mapping mechanism in the scalable extension of HEVC. In order to compensate for the disparity, it is also proposed to signal a global disparity value for motion field adjustment. Global disparity is estimated at the encoder side for each slice and signaled to the decoder side at the slice header. Simulations conducted in the MV-HEVC configuration of 3D-HTM v6.0 show that the proposed method brings 1.1% of dBR for view 1 and 0.8% for view 2 which results in 0.6% gain on average of all views.
Starting Page	1
Ending Page	4
File Size	741795
Page Count	4
File Format	PDF
ISBN	9781479947584
ISSN	2161203X
DOI	10.1109/3DTV.2014.6874721
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-07-02
Publisher Place	Hungary
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	MV-HEVC TMVP disparity Abstracts Vectors HEVC motion vector prediction multi-view coding disparity compensated motion mapping temporal motion prediction
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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