Video Compression with Graph-inspired Neural Representation

• URL: http://arxiv.org/abs/2609.05541v1
• Date: Wed, 02 Sep 2026 12:43:03 GMT
• Title: Video Compression with Graph-inspired Neural Representation
• Abstract summary: Implicit Neural Representations (INR) provide a compact and content-adaptive paradigm for video compression.<n>We propose G-NeRV, a graph-inspired INR that explicitly improves temporal redundancy exploitation in the implicit latent space.<n>G-NeRV outperforms the state-of-the-art INR-based, NVRC, and the latest standard video, VVC VTM, by 8.86% and 14.68% (in BD-rate), respectively.
• Score: 22.393981515406537
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Implicit Neural Representations (INR) provide a compact and content-adaptive paradigm for video compression, typically representing a video through shared network parameters and frame-indexed embeddings. Compared to conventional or autoencoder-based codecs, these approaches exploit temporal redundancy within videos in an implicit manner, which potentially results in sub-optimal compression performance. In this paper, we propose G-NeRV, a graph-inspired INR that explicitly improves temporal redundancy exploitation in the implicit latent space. Motivated by the total correlation principles in information theory, we construct a temporal neighborhood over frame embeddings and perform message passing to aggregate reusable information from neighboring frames through an adaptive gate controlling the injection of neighboring information. Inspired by the reference frame buffer in conventional video coding, a memory bank mechanism has been further designed to enable efficient temporal-neighbor retrieval under random frame-index sampling in INR training. This new representation model has been integrated into an advanced representation compression framework and compared with existing conventional and neural video codecs. The results show that the G-NeRV codec outperforms the state-of-the-art INR-based codec, NVRC, and the latest standard video codec, VVC VTM, by 8.86\% and 14.68\% (in BD-rate), respectively, measured by PSNR on the UVG dataset.

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