GIViC: Generative Implicit Video Compression

• URL: http://arxiv.org/abs/2503.19604v1
• Date: Tue, 25 Mar 2025 12:39:45 GMT
• Title: GIViC: Generative Implicit Video Compression
• Authors: Ge Gao, Siyue Teng, Tianhao Peng, Fan Zhang, David Bull,
• Abstract summary: Implicit Video Compression ( GIViC) is inspired by the characteristics that INRs share with large language diffusion models in exploiting long-term dependencies.<n>A novel Gene Gated Linear Attention-based transformer (HGLA) is also integrated into the framework, which dual-factorizes global dependency modeling.<n>As far as we are aware GIViC is the first INR-based video that outperforms VTM coding configuration.
• Score: 11.908506692749743
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: While video compression based on implicit neural representations (INRs) has recently demonstrated great potential, existing INR-based video codecs still cannot achieve state-of-the-art (SOTA) performance compared to their conventional or autoencoder-based counterparts given the same coding configuration. In this context, we propose a Generative Implicit Video Compression framework, GIViC, aiming at advancing the performance limits of this type of coding methods. GIViC is inspired by the characteristics that INRs share with large language and diffusion models in exploiting long-term dependencies. Through the newly designed implicit diffusion process, GIViC performs diffusive sampling across coarse-to-fine spatiotemporal decompositions, gradually progressing from coarser-grained full-sequence diffusion to finer-grained per-token diffusion. A novel Hierarchical Gated Linear Attention-based transformer (HGLA), is also integrated into the framework, which dual-factorizes global dependency modeling along scale and sequential axes. The proposed GIViC model has been benchmarked against SOTA conventional and neural codecs using a Random Access (RA) configuration (YUV 4:2:0, GOPSize=32), and yields BD-rate savings of 15.94%, 22.46% and 8.52% over VVC VTM, DCVC-FM and NVRC, respectively. As far as we are aware, GIViC is the first INR-based video codec that outperforms VTM based on the RA coding configuration. The source code will be made available.

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