Distributed Depth Video Coding Based on Compressive Sensing and Gaussian Mixture Models

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Abstract

In this paper, we present a original depth video coding method based on Gaussian mixture models (GMM) and compressive sensing (CS). depth video sequences firstly are divided into a set of group pictures (GOP) which have only one key frame and eight Wyner-Ziv frames. The conventional coding method, i.e. H.264 Intra coding is chosen to compress the key frame and the reconstructed frames are used for side information (SI). For one GOP, we acquire differences between the SI of key frame and eight Wyner-Ziv frames. Then, we utilize the CS to compress those differences in the temporal direction to obtain one compressive sensing depth differences (CSDD). The CSDD is quantized by our product vector quantizer based on GMM. At decoder, we reconstruct Wyner-Ziv frames and merge the key frame to form output videos. Experiment results show that our method is regarded as an effective coding method.

Original languageEnglish
Title of host publicationProceedings 2018 Chinese Automation Congress, CAC 2018
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages396-400
Number of pages5
ISBN (Electronic)9781728113128
DOIs
StatePublished - 2 Jul 2018
Event2018 Chinese Automation Congress, CAC 2018 - Xi'an, China
Duration: 30 Nov 20182 Dec 2018

Publication series

NameProceedings 2018 Chinese Automation Congress, CAC 2018

Conference

Conference2018 Chinese Automation Congress, CAC 2018
Country/TerritoryChina
CityXi'an
Period30/11/182/12/18

Keywords

  • Gaussian mixture models
  • compressive sensing
  • depth video coding
  • side in/ormation

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