MCUCoder: Adaptive Bitrate Learned Video Compression for IoT Devices
Keywords: Efficient Video Compression, IoT Devices, Learned Video Compression, Adaptive Bitrate Compression, Microcontrollers
Abstract: The rapid growth of camera-based IoT devices demands the need for efficient video compression, particularly for edge applications where devices face hardware constraints, often with only 1 or 2 MB of RAM and unstable internet connections. Traditional and deep video compression methods are designed for high-end hardware, exceeding the capabilities of these constrained devices. Consequently, video compression in these scenarios is often limited to M-JPEG due to its high hardware efficiency and low complexity. This paper introduces , an open-source adaptive bitrate video compression model tailored for resource-limited IoT settings. MCUCoder features an ultra-lightweight encoder with only 10.5K parameters and a minimal 350KB memory footprint, making it well-suited for edge devices and MCU. While MCUCoder uses a similar amount of energy as M-JPEG, it reduces bitrate by 55.65\% on the MCL-JCV dataset and 55.59\% on the UVG dataset, measured in MS-SSIM. Moreover, MCUCoder supports adaptive bitrate streaming by generating a latent representation that is sorted by importance, allowing transmission based on available bandwidth. This ensures smooth real-time video transmission even under fluctuating network conditions on low-resource devices. Source code available at [Link removed due to double-blind policy, code submitted in ZIP].
Supplementary Material: zip
Primary Area: applications to computer vision, audio, language, and other modalities
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Submission Number: 7432
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