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Learning-Based Image Compression With Parameter-Adaptive Rate-Constrained Loss
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DOI：10.1109/LSP.2024.3383801.png)
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Abstract
En 中文
In recent years, the crucial task of image compression has been addressed by end-to-end neural network methods. However, achieving fine-grained rate control in this new paradigm has presented challenges. In our previous work, we explored mismatches in rate estimation during target-rate-oriented training and proposed heuristics involving costly parameter searches as a solution. This work proposes a lightweight approach, which dynamically adapts loss parameters to mitigate rate estimation issues, ensuring precise target rate attainment. Inspired by Reinforcement Learning, our method exhibits performance comparable to preceding approaches on the Kodak dataset in terms of PSNR. Additionally, it reduces computational training costs.
Keywords:
Convolutional neural network
learning-based image compression
rate control
variational autoencoder
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