Compression-Domain Vision Models With Online Decoder Training
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Solution Overview
Problem
Existing video codecs are difficult to optimize as a whole, and improvements in one module do not necessarily result in overall performance gains, necessitating a joint optimization approach for neural image compression frameworks.
Innovation Solution
Implementing a neural image compression (NIC) framework that can be trained through offline and online training processes to optimize its modules end-to-end, utilizing neural networks for joint optimization of encoding and decoding processes to achieve rate-distortion performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If existing video codecs are optimized module by module, then individual module performance may improve, but overall system performance does not necessarily improve
Solution Approach 1:
The patent merges the encoder and decoder into a unified neural network framework that is trained jointly as a single system. The encoder and decoder share a common loss function and are optimized together through end-to-end training, allowing the entire compression system to be treated as one integrated module rather than separate components. This resolving the contradiction by ensuring that module-level optimizations contribute to overall system performance.
Solution Approach 2:
The neural network framework is designed to perform multiple functions simultaneously: the encoder performs compression while the decoder performs reconstruction, and both are optimized through a unified training process. The system achieves multi-functionality by using shared neural network components that serve both encoding and decoding purposes, allowing simultaneous optimization of all modules through a single training regime.
2Manufacturing precision
If traditional compression tools are improved, then compression quality may improve, but the process requires significant expertise, effort and time
Solution Approach 1:
The patent replaces traditional manual compression tool optimization with an automated machine learning system. Instead of requiring experts to manually adjust compression parameters and architectures, the system uses neural networks that automatically learn optimal compression strategies through training data. This substitution of mechanical/manual optimization processes with automated learning algorithms dramatically reduces the time and expertise required while maintaining or improving compression quality.
Solution Approach 2:
The neural network compression system is self-optimizing through automated training processes. The system automatically adjusts its own parameters, architecture, and compression strategies by learning from training data without requiring continuous human intervention or expert tuning. This self-service capability allows the system to improve compression quality autonomously, eliminating the need for significant human effort and time in the optimization process.
3Manufacturing precision
If neural networks are used for joint optimization of encoding and decoding, then rate-distortion performance improves, but system complexity increases
Solution Approach 1:
The patent combines the encoder and decoder into a single unified neural network framework that is trained jointly. By merging these two previously separate components into one integrated system with shared parameters and a unified loss function, the patent achieves better rate-distortion performance while managing complexity through consolidation rather than multiplication of components.
4Productivity
If end-to-end training is implemented for the NIC framework, then overall compression efficiency improves, but training complexity and computational requirements increase
Solution Approach 1:
The neural network framework is designed with multi-functionality, where the same encoder and decoder networks serve both compression and reconstruction purposes. This universal design allows end-to-end training to optimize the entire system simultaneously, improving compression efficiency while avoiding the need for separate training processes for each component, thereby managing training complexity through unified multi-functional architecture.
Data Source
AI summary
Processing circuitry performs, based on an input image and a guideline image resulting of an image based computer vision task on the input image, an online training of a compression domain computer vision task framework (CDCVTF). The CDCVTF includes an encoding portion and a decoding portion. The encoding portion compresses the input image into a compression domain, and the decoding portion performs the image based computer vision task in the compression domain. The online training determines at least an update to a neural network in the decoding portion that reduces a loss between a result of the image based computer vision task in the compression domain and the guideline image. The processing circuitry encodes the input image into an encoded image, and forms a bitstream that carries the encoded image and additional bits. The additional bits are indicative of the update to the neural network in the decoding portion.


