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LIGHT FIELD IMAGE CODING USING DUAL DISCRIMINATOR GENERATIVE ADVERSARIAL NETWORK AND VVC TEMPORAL SCALABILITY

Abstract : Light field technology represents a viable path for providing a high-quality VR content. However, such an imaging system generates a high amount of data leading to an urgent need for LF image compression solution. In this paper, we propose an efficient LF image coding scheme based on view synthesis. Instead of transmitting all the LF views, only some of them are coded and transmitted, while the remaining views are dropped. The transmitted views are coded using Versatile Video Coding (VVC) and used as reference views to synthesize the missing views at decoder side. The dropped views are generated using the efficient dual discriminator GAN model. The selection of reference/dropped views is performed using a rate distortion optimization based on the VVC temporal scalability. Experimental results show that the proposed method provides high coding performance and overcomes the state-of-the-art LF image compression solutions.
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https://hal.archives-ouvertes.fr/hal-02519493
Contributor : Wassim Hamidouche <>
Submitted on : Friday, March 27, 2020 - 11:22:49 AM
Last modification on : Wednesday, April 8, 2020 - 3:56:52 PM

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  • HAL Id : hal-02519493, version 1

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Nader Bakir, Wassim Hamidouche, Sid Fezza, Khouloud Samrouth, Olivier Déforges. LIGHT FIELD IMAGE CODING USING DUAL DISCRIMINATOR GENERATIVE ADVERSARIAL NETWORK AND VVC TEMPORAL SCALABILITY. IEEE International Conference on Multimedia & Expo (ICME), Jul 2020, Londre, United Kingdom. ⟨hal-02519493⟩

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