BROWSE

Related Researcher

Author

Sim, Jae-Young
Visual Information Processing Lab (VIP Lab)
Research Interests
  • Image processing, computer vision, 3D visual processing, signal processing

ITEM VIEW & DOWNLOAD

Bit allocation algorithm with novel view synthesis distortion model for multiview video plus depth coding

Cited 0 times inthomson ciCited 0 times inthomson ci
Title
Bit allocation algorithm with novel view synthesis distortion model for multiview video plus depth coding
Author
Chung, Tae-YoungSim, Jae-YoungKim, Chang-Su
Keywords
and rate-distortion optimization; bit allocation; Multi-view video plus depth; view synthesis distortion; virtual view synthesis
Issue Date
201408
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Citation
IEEE TRANSACTIONS ON IMAGE PROCESSING, v.23, no.8, pp.3254 - 3267
Abstract
An efficient bit allocation algorithm based on a novel view synthesis distortion model is proposed for the rate-distortion optimized coding of multiview video plus depth sequences in this paper. We decompose an input frame into nonedge blocks and edge blocks. For each nonedge block, we linearly approximate its texture and disparity values, and derive a view synthesis distortion model, which quantifies the impacts of the texture and depth distortions on the qualities of synthesized virtual views. On the other hand, for each edge block, we use its texture and disparity gradients for the distortion model. In addition, we formulate a bit-rate allocation problem in terms of the quantization parameters for texture and depth data. By solving the problem, we can optimally divide a limited bit budget between the texture and depth data, in order to maximize the qualities of synthesized virtual views, as well as those of encoded real views. Experimental results demonstrate that the proposed algorithm yields the average PSNR gains of 1.98 and 2.04 dB in two-view and three-view scenarios, respectively, as compared with a benchmark conventional algorithm.
URI
Go to Link
DOI
http://dx.doi.org/10.1109/TIP.2014.2327801
ISSN
1057-7149
Appears in Collections:
ECE_Journal Papers

find_unist can give you direct access to the published full text of this article. (UNISTARs only)

Show full item record

qr_code

  • mendeley

    citeulike

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.

MENU