Adaptive Rate Control for Deep Video Compression with Rate-Distortion Prediction
- URL: http://arxiv.org/abs/2412.18834v1
- Date: Wed, 25 Dec 2024 08:42:23 GMT
- Title: Adaptive Rate Control for Deep Video Compression with Rate-Distortion Prediction
- Authors: Bowen Gu, Hao Chen, Ming Lu, Jie Yao, Zhan Ma,
- Abstract summary: We propose a neural network-based $lambda$-domain rate control scheme for deep video compression.<n>The content-aware scheme is able to mitigate inter-frame quality fluctuations and adapt to abrupt changes in video content.
- Score: 28.99369130279806
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: Deep video compression has made significant progress in recent years, achieving rate-distortion performance that surpasses that of traditional video compression methods. However, rate control schemes tailored for deep video compression have not been well studied. In this paper, we propose a neural network-based $\lambda$-domain rate control scheme for deep video compression, which determines the coding parameter $\lambda$ for each to-be-coded frame based on the rate-distortion-$\lambda$ (R-D-$\lambda$) relationships directly learned from uncompressed frames, achieving high rate control accuracy efficiently without the need for pre-encoding. Moreover, this content-aware scheme is able to mitigate inter-frame quality fluctuations and adapt to abrupt changes in video content. Specifically, we introduce two neural network-based predictors to estimate the relationship between bitrate and $\lambda$, as well as the relationship between distortion and $\lambda$ for each frame. Then we determine the coding parameter $\lambda$ for each frame to achieve the target bitrate. Experimental results demonstrate that our approach achieves high rate control accuracy at the mini-GOP level with low time overhead and mitigates inter-frame quality fluctuations across video content of varying resolutions.
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