Embedding Compression Distortion in Video Coding for Machines

• URL: http://arxiv.org/abs/2503.21469v1
• Date: Thu, 27 Mar 2025 13:01:53 GMT
• Title: Embedding Compression Distortion in Video Coding for Machines
• Authors: Yuxiao Sun, Yao Zhao, Meiqin Liu, Chao Yao, Weisi Lin,
• Abstract summary: Currently, video transmission serves not only the Human Visual System (HVS) for viewing but also machine perception for analysis.<n>We propose a Compression Distortion Embedding (CDRE) framework, which extracts machine-perception-related distortion representation and embeds it into downstream models.<n>Our framework can effectively boost the rate-task performance of existing codecs with minimal overhead in terms of execution time, and number of parameters.
• Score: 67.97469042910855
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Currently, video transmission serves not only the Human Visual System (HVS) for viewing but also machine perception for analysis. However, existing codecs are primarily optimized for pixel-domain and HVS-perception metrics rather than the needs of machine vision tasks. To address this issue, we propose a Compression Distortion Representation Embedding (CDRE) framework, which extracts machine-perception-related distortion representation and embeds it into downstream models, addressing the information lost during compression and improving task performance. Specifically, to better analyze the machine-perception-related distortion, we design a compression-sensitive extractor that identifies compression degradation in the feature domain. For efficient transmission, a lightweight distortion codec is introduced to compress the distortion information into a compact representation. Subsequently, the representation is progressively embedded into the downstream model, enabling it to be better informed about compression degradation and enhancing performance. Experiments across various codecs and downstream tasks demonstrate that our framework can effectively boost the rate-task performance of existing codecs with minimal overhead in terms of bitrate, execution time, and number of parameters. Our codes and supplementary materials are released in https://github.com/Ws-Syx/CDRE/.

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