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author:

Lan, Chengdong (Lan, Chengdong.) [1] | Yan, Hao (Yan, Hao.) [2] | Luo, Cheng (Luo, Cheng.) [3] | Zhao, Tiesong (Zhao, Tiesong.) [4]

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EI

Abstract:

The introduction of multiple viewpoints in video scenes inevitably increases the bitrates required for storage and transmission. To reduce bitrates, researchers have developed methods to skip intermediate viewpoints during compression and delivery, and ultimately reconstruct them using Side Information (SInfo). Typically, depth maps are used to construct SInfo. However, these methods suffer from reconstruction inaccuracies and inherently high bitrates. In this paper, we propose a novel multi-view video coding method that leverages the image generation capabilities of Generative Adversarial Network (GAN) to improve the reconstruction accuracy of SInfo. Additionally, we consider incorporating information from adjacent temporal and spatial viewpoints to further reduce SInfo redundancy. At the encoder, we construct a spatio-temporal Epipolar Plane Image (EPI) and further utilize a convolutional network to extract the latent code of a GAN as SInfo. At the decoder, we combine the SInfo and adjacent viewpoints to reconstruct intermediate views using the GAN generator. Specifically, we establish a joint encoder constraint for reconstruction cost and SInfo entropy to achieve an optimal trade-off between reconstruction quality and bitrate overhead. Experiments demonstrate the significant improvement in Rate–Distortion (RD) performance compared to state-of-the-art methods. © 2024

Keyword:

Convolutional codes Encoding (symbols) Generative adversarial networks Image coding Image enhancement Image reconstruction Network coding

Community:

  • [ 1 ] [Lan, Chengdong]Fujian Key Laboratory for Intelligent Processing and Wireless Transmission of Media Information, Fuzhou University, Fuzhou; 350108, China
  • [ 2 ] [Yan, Hao]Fujian Key Laboratory for Intelligent Processing and Wireless Transmission of Media Information, Fuzhou University, Fuzhou; 350108, China
  • [ 3 ] [Luo, Cheng]Fujian Key Laboratory for Intelligent Processing and Wireless Transmission of Media Information, Fuzhou University, Fuzhou; 350108, China
  • [ 4 ] [Zhao, Tiesong]Fujian Key Laboratory for Intelligent Processing and Wireless Transmission of Media Information, Fuzhou University, Fuzhou; 350108, China

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Source :

Signal Processing: Image Communication

ISSN: 0923-5965

Year: 2025

Volume: 132

3 . 4 0 0

JCR@2023

Cited Count:

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ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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