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Nonlinear Depth Map Resampling for Depth-Enhanced 3D Video Coding

Tutkimustuotosvertaisarvioitu

Standard

Nonlinear Depth Map Resampling for Depth-Enhanced 3D Video Coding. / Aflaki, Payman; Hannuksela, M.; Rusanovskyy, D.; Gabbouj, Moncef.

julkaisussa: IEEE Signal Processing Letters, Vuosikerta 20, Nro 1, 2013, s. 87-90.

Tutkimustuotosvertaisarvioitu

Harvard

Aflaki, P, Hannuksela, M, Rusanovskyy, D & Gabbouj, M 2013, 'Nonlinear Depth Map Resampling for Depth-Enhanced 3D Video Coding', IEEE Signal Processing Letters, Vuosikerta. 20, Nro 1, Sivut 87-90. https://doi.org/10.1109/LSP.2012.2228189

APA

Aflaki, P., Hannuksela, M., Rusanovskyy, D., & Gabbouj, M. (2013). Nonlinear Depth Map Resampling for Depth-Enhanced 3D Video Coding. IEEE Signal Processing Letters, 20(1), 87-90. https://doi.org/10.1109/LSP.2012.2228189

Vancouver

Aflaki P, Hannuksela M, Rusanovskyy D, Gabbouj M. Nonlinear Depth Map Resampling for Depth-Enhanced 3D Video Coding. IEEE Signal Processing Letters. 2013;20(1):87-90. https://doi.org/10.1109/LSP.2012.2228189

Author

Aflaki, Payman ; Hannuksela, M. ; Rusanovskyy, D. ; Gabbouj, Moncef. / Nonlinear Depth Map Resampling for Depth-Enhanced 3D Video Coding. Julkaisussa: IEEE Signal Processing Letters. 2013 ; Vuosikerta 20, Nro 1. Sivut 87-90.

Bibtex - Lataa

@article{f95e6419f54d40d194ce06db11cee81f,
title = "Nonlinear Depth Map Resampling for Depth-Enhanced 3D Video Coding",
abstract = "Depth-enhanced 3D video coding includes coding of texture views and associated depth maps. It has been observed that coding of depth map at reduced resolution provides better rate-distortion performance on synthesized views comparing to utilization of full resolution (FR) depth maps in many coding scenarios based on the Advanced Video Coding (H.264/AVC) standard. Conventional techniques for down and upsampling do not take typical characteristics of depth maps, such as distinct edges and smooth regions within depth objects, into account. Hence, more efficient down and upsampling tools, capable of preserving edges better, are needed. In this letter, novel non-linear methods to down and upsample depth maps are presented. Bitrate comparison of synthesized views, including texture and depth map bitstreams, is presented against a conventional linear resampling algorithm. Objective results show an average bitrate reduction of 5.29{\%} and 3.31{\%} for the proposed down and upsampling methods with ratio ½, respectively, comparing to the anchor method. Moreover, a joint utilization of the proposed down and upsampling brings up to 20{\%} and on average 7.35{\%} bitrate reduction.",
author = "Payman Aflaki and M. Hannuksela and D. Rusanovskyy and Moncef Gabbouj",
note = "Poistettu tupla, r=1097<br/>Contribution: organisation=sgn,FACT1=1<br/>Portfolio EDEND: 2013-02-27<br/>Publisher name: Institute of Electrical and Electronics Engineers IEEE",
year = "2013",
doi = "10.1109/LSP.2012.2228189",
language = "English",
volume = "20",
pages = "87--90",
journal = "IEEE Signal Processing Letters",
issn = "1070-9908",
publisher = "Institute of Electrical and Electronics Engineers",
number = "1",

}

RIS (suitable for import to EndNote) - Lataa

TY - JOUR

T1 - Nonlinear Depth Map Resampling for Depth-Enhanced 3D Video Coding

AU - Aflaki, Payman

AU - Hannuksela, M.

AU - Rusanovskyy, D.

AU - Gabbouj, Moncef

N1 - Poistettu tupla, r=1097<br/>Contribution: organisation=sgn,FACT1=1<br/>Portfolio EDEND: 2013-02-27<br/>Publisher name: Institute of Electrical and Electronics Engineers IEEE

PY - 2013

Y1 - 2013

N2 - Depth-enhanced 3D video coding includes coding of texture views and associated depth maps. It has been observed that coding of depth map at reduced resolution provides better rate-distortion performance on synthesized views comparing to utilization of full resolution (FR) depth maps in many coding scenarios based on the Advanced Video Coding (H.264/AVC) standard. Conventional techniques for down and upsampling do not take typical characteristics of depth maps, such as distinct edges and smooth regions within depth objects, into account. Hence, more efficient down and upsampling tools, capable of preserving edges better, are needed. In this letter, novel non-linear methods to down and upsample depth maps are presented. Bitrate comparison of synthesized views, including texture and depth map bitstreams, is presented against a conventional linear resampling algorithm. Objective results show an average bitrate reduction of 5.29% and 3.31% for the proposed down and upsampling methods with ratio ½, respectively, comparing to the anchor method. Moreover, a joint utilization of the proposed down and upsampling brings up to 20% and on average 7.35% bitrate reduction.

AB - Depth-enhanced 3D video coding includes coding of texture views and associated depth maps. It has been observed that coding of depth map at reduced resolution provides better rate-distortion performance on synthesized views comparing to utilization of full resolution (FR) depth maps in many coding scenarios based on the Advanced Video Coding (H.264/AVC) standard. Conventional techniques for down and upsampling do not take typical characteristics of depth maps, such as distinct edges and smooth regions within depth objects, into account. Hence, more efficient down and upsampling tools, capable of preserving edges better, are needed. In this letter, novel non-linear methods to down and upsample depth maps are presented. Bitrate comparison of synthesized views, including texture and depth map bitstreams, is presented against a conventional linear resampling algorithm. Objective results show an average bitrate reduction of 5.29% and 3.31% for the proposed down and upsampling methods with ratio ½, respectively, comparing to the anchor method. Moreover, a joint utilization of the proposed down and upsampling brings up to 20% and on average 7.35% bitrate reduction.

U2 - 10.1109/LSP.2012.2228189

DO - 10.1109/LSP.2012.2228189

M3 - Article

VL - 20

SP - 87

EP - 90

JO - IEEE Signal Processing Letters

JF - IEEE Signal Processing Letters

SN - 1070-9908

IS - 1

ER -